./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2966686492 <...> ed ...> [pid 6386] <... futex resumed>) = 0 [ 191.444772][ T6386] read_mapping_page failed! [ 191.449355][ T6386] ERROR: (device loop3): txCommit: [ 191.449355][ T6386] [pid 6386] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6389] <... munmap resumed>) = 0 [pid 6389] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5863] <... close resumed>) = 0 [pid 5863] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6389] <... openat resumed>) = 4 [pid 5863] <... clone resumed>, child_tidptr=0x555566de8690) = 6391 [pid 6389] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 6391 attached [pid 6391] set_robust_list(0x555566de86a0, 24) = 0 [pid 6391] chdir("./38" [pid 6389] <... ioctl resumed>) = 0 [pid 6386] <... openat resumed>) = -1 EIO (Input/output error) [pid 6386] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6389] close(3executing program ) = 0 [pid 6389] close(4 [pid 6386] <... futex resumed>) = 1 [pid 6385] <... futex resumed>) = 0 [pid 6389] <... close resumed>) = 0 [pid 6386] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6391] <... chdir resumed>) = 0 [pid 6391] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6391] setpgid(0, 0) = 0 [pid 6391] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6391] write(3, "1000", 4) = 4 [pid 6391] close(3) = 0 [pid 6391] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6391] write(1, "executing program\n", 18) = 18 [pid 6391] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6391] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6391] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6391] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6391] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6391] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6391] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} => {parent_tid=[6392]}, 88) = 6392 [pid 6391] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6391] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6391] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6389] mkdir("./bus", 0777 [pid 6385] exit_group(0./strace-static-x86_64: Process 6392 attached [pid 6392] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053) = 0 [pid 6392] set_robust_list(0x7f46d9f419a0, 24) = 0 [pid 6392] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6389] <... mkdir resumed>) = 0 [pid 6386] <... futex resumed>) = ? [pid 6385] <... exit_group resumed>) = ? [pid 6386] +++ exited with 0 +++ [pid 6392] memfd_create("syzkaller", 0 [pid 6385] +++ exited with 0 +++ [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6385, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=19 /* 0.19 s */} --- [pid 6392] <... memfd_create resumed>) = 3 [pid 6392] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6389] mount("/dev/loop1", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 5866] umount2("./38", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6392] <... mmap resumed>) = 0x7f46d1a00000 [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5866] openat(AT_FDCWD, "./38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5866] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5866] umount2("./38/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 191.487719][ T6386] read_mapping_page failed! [ 191.492429][ T6386] ERROR: (device loop3): txCommit: [ 191.492429][ T6386] [ 191.503774][ T6389] loop1: detected capacity change from 0 to 32768 [pid 5866] newfstatat(AT_FDCWD, "./38/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] unlink("./38/binderfs") = 0 [pid 5866] umount2("./38/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6390] <... write resumed>) = 16777216 [ 191.555702][ T6389] [ 191.555702][ T6389] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 191.555702][ T6389] [ 191.575236][ T5866] [ 191.575236][ T5866] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 191.575236][ T5866] [ 191.603753][ T5866] [pid 6390] munmap(0x7f46d1a00000, 138412032 [pid 6389] <... mount resumed>) = 0 [pid 5867] <... close resumed>) = 0 [pid 6389] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6389] <... openat resumed>) = 3 [pid 6389] chdir("./bus" [pid 5867] <... clone resumed>, child_tidptr=0x555566de8690) = 6393 [pid 6389] <... chdir resumed>) = 0 [pid 6389] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6389] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6387] <... futex resumed>) = 0 [pid 6389] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6387] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6389] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6387] <... futex resumed>) = 0 [pid 6389] chdir("./file0" [pid 6387] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6393 attached [pid 6393] set_robust_list(0x555566de86a0, 24) = 0 [pid 6393] chdir("./38") = 0 [pid 6393] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6393] setpgid(0, 0 [pid 6390] <... munmap resumed>) = 0 [pid 6389] <... chdir resumed>) = 0 [pid 5866] <... umount2 resumed>) = 0 [pid 6389] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6389] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6387] <... futex resumed>) = 0 [pid 6387] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6390] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6389] <... futex resumed>) = 0 [pid 6387] <... futex resumed>) = 1 [pid 5866] umount2("./38/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6387] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6393] <... setpgid resumed>) = 0 [pid 6389] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6390] <... openat resumed>) = 4 [pid 6393] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6390] ioctl(4, LOOP_SET_FD, 3 [pid 5866] newfstatat(AT_FDCWD, "./38/bus", [ 191.603753][ T5866] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 191.603753][ T5866] [ 191.639541][ T6389] read_mapping_page failed! [ 191.644712][ T6390] loop2: detected capacity change from 0 to 32768 [pid 6393] write(3, "1000", 4 [pid 5866] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6393] <... write resumed>) = 4 [pid 6393] close(3) = 0 [pid 6393] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5866] umount2("./38/bus", MNT_FORCE|UMOUNT_NOFOLLOWexecuting program [pid 6393] write(1, "executing program\n", 18) = 18 [pid 6393] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6393] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, [pid 6390] <... ioctl resumed>) = 0 [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6393] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6393] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6393] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6393] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6393] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6393] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0}./strace-static-x86_64: Process 6394 attached => {parent_tid=[6394]}, 88) = 6394 [pid 6393] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6393] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6393] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6394] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 5866] openat(AT_FDCWD, "./38/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6390] close(3 [pid 6394] <... rseq resumed>) = 0 [pid 6394] set_robust_list(0x7f46d9f419a0, 24) = 0 [pid 6390] <... close resumed>) = 0 [pid 6394] rt_sigprocmask(SIG_SETMASK, [], [pid 6390] close(4 [pid 5866] <... openat resumed>) = 4 [pid 6394] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6394] memfd_create("syzkaller", 0 [pid 6390] <... close resumed>) = 0 [pid 6389] <... open resumed>) = -1 EIO (Input/output error) [pid 5866] newfstatat(4, "", [pid 6390] mkdir("./bus", 0777 [pid 6394] <... memfd_create resumed>) = 3 [pid 5866] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6394] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 6390] <... mkdir resumed>) = 0 [pid 5866] getdents64(4, [pid 6390] mount("/dev/loop2", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 5866] <... getdents64 resumed>0x555566df1770 /* 2 entries */, 32768) = 48 [pid 6389] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6387] <... futex resumed>) = 0 [pid 6387] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6387] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6389] <... futex resumed>) = 1 [pid 5866] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5866] close(4 [ 191.651560][ T6389] ERROR: (device loop1): txCommit: [ 191.651560][ T6389] [pid 6389] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x3) [pid 5866] <... close resumed>) = 0 [pid 5866] rmdir("./38/bus") = 0 [pid 5866] getdents64(3, [pid 6389] <... mknod resumed>) = -1 EIO (Input/output error) [pid 5866] <... getdents64 resumed>0x555566de9730 /* 0 entries */, 32768) = 0 [pid 6389] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6389] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6387] <... futex resumed>) = 0 [pid 6387] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 191.677984][ T6389] read_mapping_page failed! [ 191.682548][ T6389] ERROR: (device loop1): txCommit: [ 191.682548][ T6389] [ 191.713918][ T6390] [ 191.713918][ T6390] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 191.713918][ T6390] [pid 6389] <... futex resumed>) = 0 [pid 5866] close(3 [pid 6389] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 5866] <... close resumed>) = 0 [pid 5866] rmdir("./38" [pid 6387] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] <... rmdir resumed>) = 0 [pid 5866] mkdir("./39", 0777 [pid 6390] <... mount resumed>) = 0 [pid 5866] <... mkdir resumed>) = 0 [pid 6390] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6390] chdir("./bus") = 0 [pid 6390] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6390] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6388] <... futex resumed>) = 0 [pid 6390] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6388] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6390] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5866] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6390] chdir("./file0" [pid 6388] <... futex resumed>) = 0 [pid 6388] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] <... openat resumed>) = 3 [pid 5866] ioctl(3, LOOP_CLR_FD) = 0 [pid 5866] close(3 [pid 6389] <... openat resumed>) = -1 EIO (Input/output error) [pid 6390] <... chdir resumed>) = 0 [pid 6390] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6389] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6387] <... futex resumed>) = 0 [pid 6387] exit_group(0) = ? [ 191.727908][ T6389] read_mapping_page failed! [ 191.732457][ T6389] ERROR: (device loop1): txCommit: [ 191.732457][ T6389] [pid 6390] <... futex resumed>) = 1 [pid 6389] +++ exited with 0 +++ [pid 6388] <... futex resumed>) = 0 [pid 6387] +++ exited with 0 +++ [pid 5864] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6387, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=32 /* 0.32 s */} --- [pid 6388] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6390] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 5864] restart_syscall(<... resuming interrupted clone ...> [pid 6388] <... futex resumed>) = 0 [pid 6388] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5864] <... restart_syscall resumed>) = 0 [pid 5864] umount2("./37", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] openat(AT_FDCWD, "./37", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5864] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5864] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5864] umount2("./37/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6390] <... open resumed>) = -1 EIO (Input/output error) [pid 5864] newfstatat(AT_FDCWD, "./37/binderfs", [pid 6390] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6390] <... futex resumed>) = 1 [pid 5864] unlink("./37/binderfs" [pid 6388] <... futex resumed>) = 0 [pid 6388] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6390] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x5) [pid 6388] <... futex resumed>) = 0 [pid 5864] <... unlink resumed>) = 0 [pid 6388] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 191.798276][ T6390] read_mapping_page failed! [ 191.802840][ T6390] ERROR: (device loop2): txCommit: [ 191.802840][ T6390] [pid 5864] umount2("./37/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6390] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6390] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6388] <... futex resumed>) = 0 [pid 6388] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 191.857816][ T6390] read_mapping_page failed! [ 191.862381][ T6390] ERROR: (device loop2): txCommit: [ 191.862381][ T6390] [ 191.874891][ T5864] [ 191.874891][ T5864] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 191.874891][ T5864] [ 191.897383][ T5864] [ 191.897383][ T5864] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 191.897383][ T5864] [pid 6390] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6388] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5864] <... umount2 resumed>) = 0 [pid 5864] umount2("./37/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] newfstatat(AT_FDCWD, "./37/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5864] umount2("./37/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] openat(AT_FDCWD, "./37/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5864] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5864] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 6390] <... openat resumed>) = -1 EIO (Input/output error) [pid 5864] getdents64(4, [pid 6390] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] <... getdents64 resumed>0x555566df1770 /* 0 entries */, 32768) = 0 [pid 6390] <... futex resumed>) = 1 [pid 6388] <... futex resumed>) = 0 [pid 5864] close(4 [pid 6390] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6388] exit_group(0 [pid 6390] <... futex resumed>) = ? [pid 6388] <... exit_group resumed>) = ? [pid 5864] <... close resumed>) = 0 [pid 6390] +++ exited with 0 +++ [pid 6388] +++ exited with 0 +++ [pid 5864] rmdir("./37/bus" [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6388, si_uid=0, si_status=0, si_utime=9 /* 0.09 s */, si_stime=34 /* 0.34 s */} --- [pid 5864] <... rmdir resumed>) = 0 [pid 5865] restart_syscall(<... resuming interrupted clone ...> [pid 5864] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5864] close(3) = 0 [pid 5864] rmdir("./37") = 0 [pid 5864] mkdir("./38", 0777 [pid 5865] <... restart_syscall resumed>) = 0 [pid 5865] umount2("./38", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5865] umount2("./38/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./38/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./38/binderfs") = 0 [pid 5865] umount2("./38/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6392] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5864] <... mkdir resumed>) = 0 [pid 5864] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [ 191.914916][ T6390] read_mapping_page failed! [ 191.923258][ T6390] ERROR: (device loop2): txCommit: [ 191.923258][ T6390] [pid 5864] ioctl(3, LOOP_CLR_FD) = 0 [ 191.984554][ T5865] [ 191.984554][ T5865] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 191.984554][ T5865] [ 192.010663][ T5865] [ 192.010663][ T5865] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 192.010663][ T5865] [pid 5864] close(3 [pid 5865] <... umount2 resumed>) = 0 [pid 5865] umount2("./38/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./38/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] umount2("./38/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./38/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5865] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5865] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5865] close(4) = 0 [pid 5865] rmdir("./38/bus" [pid 6394] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5865] <... rmdir resumed>) = 0 [pid 5865] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./38") = 0 [pid 5865] mkdir("./39", 0777) = 0 [pid 5865] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5865] ioctl(3, LOOP_CLR_FD) = 0 [pid 5865] close(3 [pid 5866] <... close resumed>) = 0 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555566de8690) = 6395 ./strace-static-x86_64: Process 6395 attached [pid 6395] set_robust_list(0x555566de86a0, 24) = 0 [pid 6395] chdir("./39") = 0 [pid 6395] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6395] setpgid(0, 0) = 0 [pid 6395] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6395] write(3, "1000", 4) = 4 [pid 6395] close(3) = 0 [pid 6395] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6395] write(1, "executing program\n", 18) = 18 [pid 6395] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6395] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6395] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6395] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6395] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6395] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6395] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} => {parent_tid=[6396]}, 88) = 6396 [pid 6395] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6395] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6395] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 6396 attached [pid 6396] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053) = 0 [pid 6396] set_robust_list(0x7f46d9f419a0, 24) = 0 [pid 6396] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6396] memfd_create("syzkaller", 0) = 3 [pid 6396] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 5864] <... close resumed>) = 0 [pid 5864] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6397 attached , child_tidptr=0x555566de8690) = 6397 [pid 6397] set_robust_list(0x555566de86a0, 24) = 0 [pid 6397] chdir("./38") = 0 [pid 6397] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6397] setpgid(0, 0) = 0 [pid 6397] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6397] write(3, "1000", 4) = 4 [pid 6397] close(3) = 0 [pid 6397] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6397] write(1, "executing program\n", 18executing program ) = 18 [pid 6397] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6397] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 5865] <... close resumed>) = 0 [pid 6397] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6397] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6397] <... mmap resumed>) = 0x7f46d9f21000 [pid 6397] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 ./strace-static-x86_64: Process 6398 attached [pid 6397] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6392] <... write resumed>) = 16777216 [pid 6397] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6397] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} [pid 6398] set_robust_list(0x555566de86a0, 24) = 0 [pid 6398] chdir("./39" [pid 5865] <... clone resumed>, child_tidptr=0x555566de8690) = 6398 [pid 6398] <... chdir resumed>) = 0 [pid 6398] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6398] setpgid(0, 0./strace-static-x86_64: Process 6399 attached ) = 0 [pid 6397] <... clone3 resumed> => {parent_tid=[6399]}, 88) = 6399 [pid 6399] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6397] rt_sigprocmask(SIG_SETMASK, [], [pid 6399] <... rseq resumed>) = 0 [pid 6397] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6399] set_robust_list(0x7f46d9f419a0, 24 [pid 6397] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6399] <... set_robust_list resumed>) = 0 [pid 6397] <... futex resumed>) = 0 [pid 6399] rt_sigprocmask(SIG_SETMASK, [], [pid 6398] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6392] munmap(0x7f46d1a00000, 138412032 [pid 6399] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6398] <... openat resumed>) = 3 [pid 6397] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6398] write(3, "1000", 4) = 4 [pid 6399] memfd_create("syzkaller", 0 [pid 6398] close(3executing program ) = 0 [pid 6398] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6398] write(1, "executing program\n", 18) = 18 [pid 6398] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6398] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6398] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6398] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6398] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6398] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6398] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} [pid 6399] <... memfd_create resumed>) = 3 ./strace-static-x86_64: Process 6400 attached [pid 6398] <... clone3 resumed> => {parent_tid=[6400]}, 88) = 6400 [pid 6398] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6398] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6398] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6400] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6399] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 6400] <... rseq resumed>) = 0 [pid 6400] set_robust_list(0x7f46d9f419a0, 24) = 0 [pid 6400] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6400] memfd_create("syzkaller", 0) = 3 [pid 6392] <... munmap resumed>) = 0 [pid 6400] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6392] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 6392] ioctl(4, LOOP_SET_FD, 3 [pid 6400] <... mmap resumed>) = 0x7f46d1a00000 [pid 6394] <... write resumed>) = 16777216 [pid 6394] munmap(0x7f46d1a00000, 138412032 [pid 6392] <... ioctl resumed>) = 0 [pid 6392] close(3) = 0 [pid 6392] close(4) = 0 [pid 6392] mkdir("./bus", 0777) = 0 [pid 6392] mount("/dev/loop0", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6394] <... munmap resumed>) = 0 [pid 6394] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [ 192.434848][ T6392] loop0: detected capacity change from 0 to 32768 [ 192.473047][ T6392] [ 192.473047][ T6392] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 192.473047][ T6392] [pid 6394] ioctl(4, LOOP_SET_FD, 3 [pid 6396] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6392] <... mount resumed>) = 0 [pid 6394] <... ioctl resumed>) = 0 [pid 6394] close(3 [pid 6392] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6394] <... close resumed>) = 0 [pid 6394] close(4 [pid 6392] chdir("./bus" [pid 6394] <... close resumed>) = 0 [pid 6392] <... chdir resumed>) = 0 [pid 6394] mkdir("./bus", 0777 [pid 6392] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6394] <... mkdir resumed>) = 0 [pid 6392] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6394] mount("/dev/loop4", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6392] <... futex resumed>) = 1 [pid 6391] <... futex resumed>) = 0 [pid 6392] chdir("./file0" [pid 6391] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6392] <... chdir resumed>) = 0 [pid 6391] <... futex resumed>) = 0 [pid 6391] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6392] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6391] <... futex resumed>) = 0 [pid 6391] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6391] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 192.503045][ T6394] loop4: detected capacity change from 0 to 32768 [ 192.549231][ T6392] read_mapping_page failed! [pid 6392] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6391] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6391] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6392] <... open resumed>) = -1 EIO (Input/output error) [pid 6392] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6392] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6391] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f00000 [pid 6391] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6391] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6391] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0} => {parent_tid=[6401]}, 88) = 6401 ./strace-static-x86_64: Process 6401 attached [pid 6391] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6391] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6391] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 192.573376][ T6392] ERROR: (device loop0): txCommit: [ 192.573376][ T6392] [ 192.574127][ T6394] [ 192.574127][ T6394] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 192.574127][ T6394] [pid 6401] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053) = 0 [pid 6401] set_robust_list(0x7f46d9f209a0, 24) = 0 [pid 6401] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6401] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x1) [pid 6394] <... mount resumed>) = 0 [pid 6394] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6394] chdir("./bus") = 0 [pid 6394] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6394] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6393] <... futex resumed>) = 0 [pid 6394] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6393] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6394] <... futex resumed>) = 0 [pid 6394] chdir("./file0" [pid 6393] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6394] <... chdir resumed>) = 0 [pid 6394] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6393] <... futex resumed>) = 0 [pid 6394] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6393] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6394] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6393] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6394] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6391] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6391] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6392] <... futex resumed>) = 0 [pid 6391] <... futex resumed>) = 1 [pid 6392] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [ 192.636643][ T6401] read_mapping_page failed! [ 192.641223][ T6401] ERROR: (device loop0): txCommit: [ 192.641223][ T6401] [ 192.673675][ T6394] read_mapping_page failed! [ 192.682287][ T6392] read_mapping_page failed! [pid 6391] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6401] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6401] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6401] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6394] <... open resumed>) = -1 EIO (Input/output error) [pid 6394] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6393] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6394] <... futex resumed>) = 0 [pid 6393] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6394] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x9) [pid 6392] <... openat resumed>) = -1 EIO (Input/output error) [pid 6392] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6393] <... futex resumed>) = 0 [pid 6392] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6391] <... futex resumed>) = 0 [pid 6391] exit_group(0 [pid 6393] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6401] <... futex resumed>) = ? [pid 6391] <... exit_group resumed>) = ? [pid 6401] +++ exited with 0 +++ [pid 6392] <... futex resumed>) = ? [pid 6392] +++ exited with 0 +++ [pid 6391] +++ exited with 0 +++ [pid 5863] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6391, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=31 /* 0.31 s */} --- [pid 5863] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5863] umount2("./38", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] openat(AT_FDCWD, "./38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5863] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5863] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5863] umount2("./38/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6394] <... mknod resumed>) = -1 EIO (Input/output error) [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5863] newfstatat(AT_FDCWD, "./38/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5863] unlink("./38/binderfs" [pid 6394] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] <... unlink resumed>) = 0 [pid 6394] <... futex resumed>) = 1 [pid 6393] <... futex resumed>) = 0 [pid 5863] umount2("./38/bus", MNT_FORCE|UMOUNT_NOFOLLOW [ 192.687264][ T6394] ERROR: (device loop4): txCommit: [ 192.687264][ T6394] [ 192.692107][ T6392] ERROR: (device loop0): txCommit: [ 192.692107][ T6392] [ 192.725078][ T6394] read_mapping_page failed! [ 192.729642][ T6394] ERROR: (device loop4): txCommit: [ 192.729642][ T6394] [pid 6393] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6394] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6393] <... futex resumed>) = 0 [pid 6393] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 192.775199][ T5863] [ 192.775199][ T5863] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 192.775199][ T5863] [ 192.775597][ T6394] read_mapping_page failed! [ 192.798066][ T5863] [ 192.798066][ T5863] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 192.798066][ T5863] [pid 6399] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6393] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5863] <... umount2 resumed>) = 0 [pid 6400] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6394] <... openat resumed>) = -1 EIO (Input/output error) [pid 5863] umount2("./38/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6394] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6394] <... futex resumed>) = 0 [pid 6393] exit_group(0 [pid 5863] newfstatat(AT_FDCWD, "./38/bus", [pid 6393] <... exit_group resumed>) = ? [pid 5863] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5863] umount2("./38/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] openat(AT_FDCWD, "./38/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5863] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5863] getdents64(4, [pid 6394] +++ exited with 0 +++ [pid 6393] +++ exited with 0 +++ [pid 5863] <... getdents64 resumed>0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6393, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=26 /* 0.26 s */} --- [pid 5867] umount2("./38", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5867] newfstatat(3, "", [pid 5863] getdents64(4, [pid 5867] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5863] <... getdents64 resumed>0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5867] getdents64(3, [pid 5863] close(4 [pid 5867] <... getdents64 resumed>0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5863] <... close resumed>) = 0 [pid 5867] umount2("./38/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5863] rmdir("./38/bus" [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5863] <... rmdir resumed>) = 0 [pid 5867] newfstatat(AT_FDCWD, "./38/binderfs", [pid 5863] getdents64(3, [pid 5867] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5863] <... getdents64 resumed>0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5867] unlink("./38/binderfs" [pid 5863] close(3 [pid 5867] <... unlink resumed>) = 0 [pid 5863] <... close resumed>) = 0 [pid 5867] umount2("./38/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5863] rmdir("./38") = 0 [ 192.823355][ T6394] ERROR: (device loop4): txCommit: [ 192.823355][ T6394] [pid 5863] mkdir("./39", 0777) = 0 [pid 5863] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5863] ioctl(3, LOOP_CLR_FD) = 0 [ 192.904778][ T5867] [ 192.904778][ T5867] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 192.904778][ T5867] [ 192.943591][ T5867] [ 192.943591][ T5867] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 192.943591][ T5867] [pid 5863] close(3 [pid 5867] <... umount2 resumed>) = 0 [pid 6396] <... write resumed>) = 16777216 [pid 5867] umount2("./38/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./38/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] umount2("./38/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./38/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5867] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 6396] munmap(0x7f46d1a00000, 138412032 [pid 5867] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5867] close(4) = 0 [pid 5867] rmdir("./38/bus") = 0 [pid 5867] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5867] close(3) = 0 [pid 5867] rmdir("./38" [pid 6396] <... munmap resumed>) = 0 [pid 5867] <... rmdir resumed>) = 0 [pid 5867] mkdir("./39", 0777) = 0 [pid 5867] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5867] ioctl(3, LOOP_CLR_FD) = 0 [pid 5867] close(3 [pid 6396] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 6396] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6396] close(3) = 0 [pid 6396] close(4) = 0 [pid 6396] mkdir("./bus", 0777) = 0 [ 193.045844][ T6396] loop3: detected capacity change from 0 to 32768 [ 193.083572][ T6396] [ 193.083572][ T6396] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 193.083572][ T6396] [pid 6396] mount("/dev/loop3", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic,") = 0 [pid 6396] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6396] chdir("./bus") = 0 [pid 6396] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6396] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6396] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6395] <... futex resumed>) = 0 [pid 6395] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6396] <... futex resumed>) = 0 [pid 6396] chdir("./file0") = 0 [pid 6396] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6396] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6395] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6395] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6396] <... futex resumed>) = 0 [pid 6395] <... futex resumed>) = 1 [pid 6396] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [ 193.119537][ T6396] read_mapping_page failed! [pid 6395] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6396] <... open resumed>) = -1 EIO (Input/output error) [pid 6395] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6396] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6395] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6396] <... futex resumed>) = 0 [pid 6395] <... futex resumed>) = 0 [pid 6396] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6395] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f00000 [pid 6395] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6395] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6395] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0} => {parent_tid=[6402]}, 88) = 6402 ./strace-static-x86_64: Process 6402 attached [pid 6395] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6395] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6395] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6402] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053) = 0 [pid 6402] set_robust_list(0x7f46d9f209a0, 24) = 0 [pid 6402] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6402] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x7) [pid 6399] <... write resumed>) = 16777216 [ 193.143208][ T6396] ERROR: (device loop3): txCommit: [ 193.143208][ T6396] [ 193.181864][ T6402] read_mapping_page failed! [pid 6399] munmap(0x7f46d1a00000, 138412032 [pid 5863] <... close resumed>) = 0 [pid 6402] <... mknod resumed>) = -1 EIO (Input/output error) [pid 5863] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6403 attached [pid 6402] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6399] <... munmap resumed>) = 0 [pid 5863] <... clone resumed>, child_tidptr=0x555566de8690) = 6403 [pid 6402] <... futex resumed>) = 1 [pid 6402] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6395] <... futex resumed>) = 0 [pid 6395] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6396] <... futex resumed>) = 0 [pid 6395] <... futex resumed>) = 1 [pid 6396] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6395] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6399] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6403] set_robust_list(0x555566de86a0, 24 [pid 6399] <... openat resumed>) = 4 [pid 6403] <... set_robust_list resumed>) = 0 [pid 6399] ioctl(4, LOOP_SET_FD, 3 [pid 6403] chdir("./39") = 0 [ 193.195164][ T6402] ERROR: (device loop3): txCommit: [ 193.195164][ T6402] [ 193.225158][ T6396] read_mapping_page failed! [ 193.230777][ T6399] loop1: detected capacity change from 0 to 32768 [pid 6403] prctl(PR_SET_PDEATHSIG, SIGKILLexecuting program ) = 0 [pid 6399] <... ioctl resumed>) = 0 [pid 6403] setpgid(0, 0 [pid 6399] close(3 [pid 6403] <... setpgid resumed>) = 0 [pid 6403] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6399] <... close resumed>) = 0 [pid 6403] <... openat resumed>) = 3 [pid 6399] close(4) = 0 [pid 6399] mkdir("./bus", 0777) = 0 [pid 6403] write(3, "1000", 4 [pid 6399] mount("/dev/loop1", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6403] <... write resumed>) = 4 [pid 6403] close(3) = 0 [pid 6403] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6403] write(1, "executing program\n", 18) = 18 [pid 6403] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6403] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6403] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6403] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6396] <... openat resumed>) = -1 EIO (Input/output error) [pid 6403] <... mmap resumed>) = 0x7f46d9f21000 [pid 6396] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6403] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE [pid 6395] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6403] <... mprotect resumed>) = 0 [pid 6403] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6403] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0}./strace-static-x86_64: Process 6404 attached [pid 6396] <... futex resumed>) = 0 [pid 6395] exit_group(0 [pid 6404] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6402] <... futex resumed>) = ? [pid 6395] <... exit_group resumed>) = ? [pid 6404] <... rseq resumed>) = 0 [pid 6396] +++ exited with 0 +++ [pid 6404] set_robust_list(0x7f46d9f419a0, 24 [pid 6403] <... clone3 resumed> => {parent_tid=[6404]}, 88) = 6404 [pid 6402] +++ exited with 0 +++ [pid 6395] +++ exited with 0 +++ [pid 6404] <... set_robust_list resumed>) = 0 [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6395, si_uid=0, si_status=0, si_utime=10 /* 0.10 s */, si_stime=23 /* 0.23 s */} --- [pid 6404] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6404] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6403] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6403] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6403] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6404] <... futex resumed>) = 0 [pid 6399] <... mount resumed>) = 0 [pid 6399] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6404] memfd_create("syzkaller", 0 [pid 6399] <... openat resumed>) = 3 [pid 6404] <... memfd_create resumed>) = 3 [pid 6399] chdir("./bus") = 0 [pid 6404] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6399] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5866] umount2("./39", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6404] <... mmap resumed>) = 0x7f46d1a00000 [pid 6399] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6399] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6397] <... futex resumed>) = 0 [pid 6399] chdir("./file0" [pid 6397] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6397] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6399] <... chdir resumed>) = 0 [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6399] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6397] <... futex resumed>) = 0 [pid 6399] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6397] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 193.252394][ T6396] ERROR: (device loop3): txCommit: [ 193.252394][ T6396] [ 193.272285][ T6399] [ 193.272285][ T6399] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 193.272285][ T6399] [pid 6397] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] openat(AT_FDCWD, "./39", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 6400] <... write resumed>) = 16777216 [pid 6399] <... open resumed>) = -1 EIO (Input/output error) [pid 5866] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6400] munmap(0x7f46d1a00000, 138412032 [pid 5866] getdents64(3, [pid 6399] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6397] <... futex resumed>) = 0 [pid 5866] <... getdents64 resumed>0x555566de9730 /* 4 entries */, 32768) = 104 [pid 6397] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6397] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] umount2("./39/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 193.318140][ T6399] read_mapping_page failed! [ 193.322692][ T6399] ERROR: (device loop1): txCommit: [ 193.322692][ T6399] [pid 6399] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x3) [pid 5866] newfstatat(AT_FDCWD, "./39/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] <... close resumed>) = 0 [pid 5866] unlink("./39/binderfs" [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5866] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 6405 attached [pid 5866] umount2("./39/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5867] <... clone resumed>, child_tidptr=0x555566de8690) = 6405 [pid 6405] set_robust_list(0x555566de86a0, 24 [pid 6400] <... munmap resumed>) = 0 [pid 6405] <... set_robust_list resumed>) = 0 [pid 6405] chdir("./39" [pid 6400] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6405] <... chdir resumed>) = 0 [pid 6400] <... openat resumed>) = 4 [pid 6400] ioctl(4, LOOP_SET_FD, 3 [pid 6405] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6399] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6400] <... ioctl resumed>) = 0 [pid 6399] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6397] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6397] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6405] <... prctl resumed>) = 0 [pid 6397] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6405] setpgid(0, 0 [pid 6400] close(3 [pid 6399] <... futex resumed>) = 1 [pid 6397] <... futex resumed>) = 0 [pid 6397] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=46000000} [pid 6399] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6405] <... setpgid resumed>) = 0 [pid 6400] <... close resumed>) = 0 [pid 6400] close(4) = 0 [ 193.375989][ T6399] read_mapping_page failed! [ 193.380556][ T6399] ERROR: (device loop1): txCommit: [ 193.380556][ T6399] [ 193.400073][ T6400] loop2: detected capacity change from 0 to 32768 [ 193.407735][ T5866] [ 193.407735][ T5866] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 193.407735][ T5866] [pid 6400] mkdir("./bus", 0777 [pid 6405] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6400] <... mkdir resumed>) = 0 [pid 6405] write(3, "1000", 4) = 4 [pid 6400] mount("/dev/loop2", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6405] close(3) = 0 [pid 6405] symlink("/dev/binderfs", "./binderfs" [pid 6399] <... openat resumed>) = -1 EIO (Input/output error) [pid 6399] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6397] <... futex resumed>) = 0 [pid 6399] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6397] exit_group(0 [pid 6405] <... symlink resumed>) = 0 [pid 6399] <... futex resumed>) = ? [pid 6397] <... exit_group resumed>) = ? [pid 6405] write(1, "executing program\n", 18 [pid 6399] +++ exited with 0 +++ [pid 6397] +++ exited with 0 +++ executing program [pid 6405] <... write resumed>) = 18 [pid 5864] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6397, si_uid=0, si_status=0, si_utime=9 /* 0.09 s */, si_stime=23 /* 0.23 s */} --- [pid 6405] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] umount2("./38", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6405] <... futex resumed>) = 0 [pid 6405] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, [pid 5864] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6405] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6405] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5864] openat(AT_FDCWD, "./38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6405] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5864] <... openat resumed>) = 3 [pid 5864] newfstatat(3, "", [pid 6405] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 5864] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6405] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [ 193.434237][ T6399] read_mapping_page failed! [ 193.449916][ T6399] ERROR: (device loop1): txCommit: [ 193.449916][ T6399] [ 193.461443][ T5866] [ 193.461443][ T5866] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 193.461443][ T5866] [pid 5864] getdents64(3, [pid 6405] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5864] <... getdents64 resumed>0x555566de9730 /* 4 entries */, 32768) = 104 [pid 6405] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5864] umount2("./38/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6405] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} [pid 5864] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6406 attached [pid 5864] newfstatat(AT_FDCWD, "./38/binderfs", [pid 6405] <... clone3 resumed> => {parent_tid=[6406]}, 88) = 6406 [pid 5864] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6405] rt_sigprocmask(SIG_SETMASK, [], [pid 6406] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053) = 0 [pid 6406] set_robust_list(0x7f46d9f419a0, 24 [pid 6405] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5864] unlink("./38/binderfs" [pid 6406] <... set_robust_list resumed>) = 0 [pid 6405] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6406] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6406] memfd_create("syzkaller", 0 [pid 6405] <... futex resumed>) = 0 [pid 5864] <... unlink resumed>) = 0 [pid 6405] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5864] umount2("./38/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6406] <... memfd_create resumed>) = 3 [pid 6406] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 5866] <... umount2 resumed>) = 0 [pid 5866] umount2("./39/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6400] <... mount resumed>) = 0 [pid 5866] newfstatat(AT_FDCWD, "./39/bus", [pid 6400] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6400] chdir("./bus" [pid 5866] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6400] <... chdir resumed>) = 0 [pid 5866] umount2("./39/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6400] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6400] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6398] <... futex resumed>) = 0 [pid 6400] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6398] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 193.492167][ T6400] [ 193.492167][ T6400] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 193.492167][ T6400] [pid 6398] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6400] <... futex resumed>) = 0 [pid 6400] chdir("./file0") = 0 [pid 6400] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6400] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6398] <... futex resumed>) = 0 [pid 5866] openat(AT_FDCWD, "./39/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6398] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6400] <... futex resumed>) = 0 [pid 6398] <... futex resumed>) = 1 [pid 5866] <... openat resumed>) = 4 [pid 6398] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] newfstatat(4, "", [pid 6400] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 5866] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5866] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5866] close(4) = 0 [pid 5866] rmdir("./39/bus" [pid 6398] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5866] <... rmdir resumed>) = 0 [pid 6398] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] getdents64(3, [pid 6398] <... futex resumed>) = 0 [pid 5866] <... getdents64 resumed>0x555566de9730 /* 0 entries */, 32768) = 0 [pid 6398] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5866] close(3 [pid 6398] <... mmap resumed>) = 0x7f46d9f00000 [pid 5866] <... close resumed>) = 0 [pid 5866] rmdir("./39" [ 193.547930][ T5864] [ 193.547930][ T5864] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 193.547930][ T5864] [ 193.573335][ T6400] read_mapping_page failed! [ 193.576105][ T5864] [ 193.576105][ T5864] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 193.576105][ T5864] [ 193.577863][ T6400] ERROR: (device loop2): txCommit: [ 193.577863][ T6400] [pid 6398] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5866] <... rmdir resumed>) = 0 [pid 6398] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5866] mkdir("./40", 0777 [pid 5864] <... umount2 resumed>) = 0 [pid 6398] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5866] <... mkdir resumed>) = 0 [pid 5864] umount2("./38/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6398] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0} [pid 5864] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6407 attached [pid 5866] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5864] newfstatat(AT_FDCWD, "./38/bus", [pid 6407] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053 [pid 6398] <... clone3 resumed> => {parent_tid=[6407]}, 88) = 6407 [pid 6407] <... rseq resumed>) = 0 [pid 5864] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6398] rt_sigprocmask(SIG_SETMASK, [], [pid 6407] set_robust_list(0x7f46d9f209a0, 24 [pid 6398] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5866] <... openat resumed>) = 3 [pid 6407] <... set_robust_list resumed>) = 0 [pid 6398] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] ioctl(3, LOOP_CLR_FD [pid 5864] umount2("./38/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6407] rt_sigprocmask(SIG_SETMASK, [], [pid 6398] <... futex resumed>) = 0 [pid 6407] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6398] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5864] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6407] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x5) [pid 5866] <... ioctl resumed>) = 0 [pid 5864] openat(AT_FDCWD, "./38/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5866] close(3 [pid 5864] <... openat resumed>) = 4 [pid 6400] <... open resumed>) = -1 EIO (Input/output error) [pid 6400] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6400] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5864] newfstatat(4, "", [pid 6407] <... mknod resumed>) = -1 EIO (Input/output error) [pid 5864] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5864] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 6407] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6398] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5864] getdents64(4, [pid 6407] <... futex resumed>) = 0 [pid 6398] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6407] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6400] <... futex resumed>) = 0 [pid 6398] <... futex resumed>) = 1 [pid 5864] <... getdents64 resumed>0x555566df1770 /* 0 entries */, 32768) = 0 [pid 6400] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [ 193.663670][ T6407] read_mapping_page failed! [ 193.674120][ T6407] ERROR: (device loop2): txCommit: [ 193.674120][ T6407] [pid 6398] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5864] close(4) = 0 [pid 5864] rmdir("./38/bus") = 0 [pid 5864] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5864] close(3) = 0 [pid 6400] <... openat resumed>) = -1 EIO (Input/output error) [pid 6400] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] rmdir("./38" [pid 6400] <... futex resumed>) = 1 [pid 6398] <... futex resumed>) = 0 [pid 6400] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6398] exit_group(0 [pid 6407] <... futex resumed>) = ? [pid 6398] <... exit_group resumed>) = ? [pid 5864] <... rmdir resumed>) = 0 [pid 6407] +++ exited with 0 +++ [pid 6400] <... futex resumed>) = ? [pid 5864] mkdir("./39", 0777 [pid 6400] +++ exited with 0 +++ [pid 6398] +++ exited with 0 +++ [pid 5864] <... mkdir resumed>) = 0 [pid 5864] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6398, si_uid=0, si_status=0, si_utime=9 /* 0.09 s */, si_stime=30 /* 0.30 s */} --- [pid 5864] <... openat resumed>) = 3 [pid 5865] umount2("./39", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5864] ioctl(3, LOOP_CLR_FD [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5864] <... ioctl resumed>) = 0 [pid 5865] openat(AT_FDCWD, "./39", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5864] close(3 [pid 5865] <... openat resumed>) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [ 193.709882][ T6400] read_mapping_page failed! [ 193.714997][ T6400] ERROR: (device loop2): txCommit: [ 193.714997][ T6400] [pid 5865] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5865] umount2("./39/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./39/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./39/binderfs") = 0 [pid 5865] umount2("./39/bus", MNT_FORCE|UMOUNT_NOFOLLOW [ 193.776998][ T5865] [ 193.776998][ T5865] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 193.776998][ T5865] [ 193.790382][ T5865] [ 193.790382][ T5865] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 193.790382][ T5865] [pid 6404] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5865] <... umount2 resumed>) = 0 [pid 5865] umount2("./39/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./39/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] umount2("./39/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./39/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5865] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5865] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5865] close(4) = 0 [pid 5865] rmdir("./39/bus") = 0 [pid 5865] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./39") = 0 [pid 5865] mkdir("./40", 0777) = 0 [pid 5865] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5865] ioctl(3, LOOP_CLR_FD) = 0 [pid 5865] close(3 [pid 6406] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5866] <... close resumed>) = 0 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6408 attached , child_tidptr=0x555566de8690) = 6408 [pid 6408] set_robust_list(0x555566de86a0, 24) = 0 [pid 6408] chdir("./40") = 0 [pid 6408] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5864] <... close resumed>) = 0 [pid 6408] <... prctl resumed>) = 0 [pid 5864] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6409 attached [pid 6408] setpgid(0, 0) = 0 [pid 5864] <... clone resumed>, child_tidptr=0x555566de8690) = 6409 executing program executing program [pid 6409] set_robust_list(0x555566de86a0, 24 [pid 6408] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6409] <... set_robust_list resumed>) = 0 [pid 6409] chdir("./39" [pid 6408] <... openat resumed>) = 3 [pid 6409] <... chdir resumed>) = 0 [pid 6408] write(3, "1000", 4 [pid 6409] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6408] <... write resumed>) = 4 [pid 6409] <... prctl resumed>) = 0 [pid 6408] close(3 [pid 6409] setpgid(0, 0 [pid 6408] <... close resumed>) = 0 [pid 6409] <... setpgid resumed>) = 0 [pid 6408] symlink("/dev/binderfs", "./binderfs" [pid 6409] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6408] <... symlink resumed>) = 0 [pid 6409] write(3, "1000", 4 [pid 6408] write(1, "executing program\n", 18 [pid 6409] <... write resumed>) = 4 [pid 6408] <... write resumed>) = 18 [pid 6409] close(3) = 0 [pid 6409] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6409] write(1, "executing program\n", 18) = 18 [pid 6409] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6409] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6409] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6409] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6409] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6409] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6409] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} => {parent_tid=[6410]}, 88) = 6410 ./strace-static-x86_64: Process 6410 attached [pid 6409] rt_sigprocmask(SIG_SETMASK, [], [pid 6408] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6410] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6409] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6408] <... futex resumed>) = 0 [pid 6410] <... rseq resumed>) = 0 [pid 6409] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6408] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, [pid 6410] set_robust_list(0x7f46d9f419a0, 24 [pid 6409] <... futex resumed>) = 0 [pid 6408] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6410] <... set_robust_list resumed>) = 0 [pid 6409] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6408] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6410] rt_sigprocmask(SIG_SETMASK, [], [pid 6408] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6410] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6408] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6410] memfd_create("syzkaller", 0) = 3 [pid 6408] <... mmap resumed>) = 0x7f46d9f21000 [pid 6410] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6408] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE [pid 6410] <... mmap resumed>) = 0x7f46d1a00000 [pid 6408] <... mprotect resumed>) = 0 [pid 6408] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6408] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0}./strace-static-x86_64: Process 6411 attached [pid 6411] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6408] <... clone3 resumed> => {parent_tid=[6411]}, 88) = 6411 [pid 6411] <... rseq resumed>) = 0 [pid 6408] rt_sigprocmask(SIG_SETMASK, [], [pid 6411] set_robust_list(0x7f46d9f419a0, 24 [pid 6408] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6411] <... set_robust_list resumed>) = 0 [pid 6408] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6411] rt_sigprocmask(SIG_SETMASK, [], [pid 6408] <... futex resumed>) = 0 [pid 6411] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6408] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6411] memfd_create("syzkaller", 0) = 3 [pid 6411] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 6404] <... write resumed>) = 16777216 [pid 6404] munmap(0x7f46d1a00000, 138412032) = 0 [pid 5865] <... close resumed>) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555566de8690) = 6412 ./strace-static-x86_64: Process 6412 attached [pid 6412] set_robust_list(0x555566de86a0, 24 [pid 6404] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6412] <... set_robust_list resumed>) = 0 [pid 6404] <... openat resumed>) = 4 [pid 6412] chdir("./40" [pid 6404] ioctl(4, LOOP_SET_FD, 3 [pid 6412] <... chdir resumed>) = 0 [pid 6412] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6412] setpgid(0, 0) = 0 [pid 6412] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6412] write(3, "1000", 4) = 4 [pid 6412] close(3) = 0 [pid 6412] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6412] write(1, "executing program\n", 18) = 18 [pid 6412] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6412] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, [pid 6404] <... ioctl resumed>) = 0 [pid 6404] close(3 [pid 6412] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6412] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6412] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6412] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6412] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6412] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} => {parent_tid=[6413]}, 88) = 6413 [pid 6412] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6412] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6412] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 6413 attached [pid 6413] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053) = 0 [pid 6413] set_robust_list(0x7f46d9f419a0, 24) = 0 [pid 6413] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6404] <... close resumed>) = 0 [pid 6404] close(4 [pid 6413] memfd_create("syzkaller", 0 [pid 6404] <... close resumed>) = 0 [pid 6413] <... memfd_create resumed>) = 3 [pid 6404] mkdir("./bus", 0777 [pid 6413] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 6404] <... mkdir resumed>) = 0 [ 194.185980][ T6404] loop0: detected capacity change from 0 to 32768 [pid 6404] mount("/dev/loop0", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6406] <... write resumed>) = 16777216 [pid 6404] <... mount resumed>) = 0 [pid 6404] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6404] chdir("./bus") = 0 [pid 6404] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6404] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6403] <... futex resumed>) = 0 [ 194.248332][ T6404] [ 194.248332][ T6404] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 194.248332][ T6404] [pid 6404] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6403] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6404] <... futex resumed>) = 0 [pid 6403] <... futex resumed>) = 1 [pid 6404] chdir("./file0" [pid 6403] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6404] <... chdir resumed>) = 0 [pid 6404] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6403] <... futex resumed>) = 0 [pid 6404] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6403] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6404] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6403] <... futex resumed>) = 0 [pid 6404] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6403] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 194.315504][ T6404] read_mapping_page failed! [ 194.320093][ T6404] ERROR: (device loop0): txCommit: [ 194.320093][ T6404] [pid 6406] munmap(0x7f46d1a00000, 138412032) = 0 [pid 6404] <... open resumed>) = -1 EIO (Input/output error) [pid 6404] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6403] <... futex resumed>) = 0 [pid 6403] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6403] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6406] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 6406] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6404] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x1) [pid 6406] close(3) = 0 [pid 6406] close(4) = 0 [pid 6406] mkdir("./bus", 0777) = 0 [ 194.365468][ T6406] loop4: detected capacity change from 0 to 32768 [ 194.404069][ T6404] read_mapping_page failed! [ 194.408644][ T6404] ERROR: (device loop0): txCommit: [ 194.408644][ T6404] [pid 6406] mount("/dev/loop4", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6403] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6403] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6403] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f00000 [pid 6403] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6403] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6403] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0} => {parent_tid=[6414]}, 88) = 6414 [pid 6403] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6403] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6403] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6414 attached [pid 6414] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053) = 0 [pid 6414] set_robust_list(0x7f46d9f209a0, 24 [pid 6404] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6414] <... set_robust_list resumed>) = 0 [pid 6404] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6414] rt_sigprocmask(SIG_SETMASK, [], [pid 6404] <... futex resumed>) = 0 [pid 6414] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6414] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6406] <... mount resumed>) = 0 [pid 6404] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6406] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6406] chdir("./bus") = 0 [pid 6406] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6406] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6406] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6405] <... futex resumed>) = 0 [pid 6405] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6406] <... futex resumed>) = 0 [pid 6405] <... futex resumed>) = 1 [pid 6406] chdir("./file0" [pid 6403] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6405] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6414] <... openat resumed>) = -1 EIO (Input/output error) [pid 6406] <... chdir resumed>) = 0 [pid 6406] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6405] <... futex resumed>) = 0 [pid 6414] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6406] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6405] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6414] <... futex resumed>) = 0 [pid 6406] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 194.437641][ T6406] [ 194.437641][ T6406] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 194.437641][ T6406] [ 194.450520][ T6414] read_mapping_page failed! [ 194.473796][ T6414] ERROR: (device loop0): txCommit: [ 194.473796][ T6414] [pid 6405] <... futex resumed>) = 0 [pid 6414] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6406] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6405] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6403] exit_group(0 [pid 6414] <... futex resumed>) = ? [pid 6404] <... futex resumed>) = ? [pid 6403] <... exit_group resumed>) = ? [pid 6404] +++ exited with 0 +++ [pid 6410] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6406] <... open resumed>) = -1 EIO (Input/output error) [pid 6414] +++ exited with 0 +++ [pid 6403] +++ exited with 0 +++ [pid 5863] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6403, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=25 /* 0.25 s */} --- [pid 5863] umount2("./39", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] openat(AT_FDCWD, "./39", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5863] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5863] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5863] umount2("./39/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6406] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] newfstatat(AT_FDCWD, "./39/binderfs", [pid 6406] <... futex resumed>) = 1 [pid 6405] <... futex resumed>) = 0 [pid 5863] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 194.495435][ T6406] read_mapping_page failed! [ 194.511053][ T6406] ERROR: (device loop4): txCommit: [ 194.511053][ T6406] [pid 6405] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6406] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x9) [pid 6405] <... futex resumed>) = 0 [pid 5863] unlink("./39/binderfs" [pid 6411] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6405] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5863] <... unlink resumed>) = 0 [pid 5863] umount2("./39/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6406] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6413] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6406] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6406] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6405] <... futex resumed>) = 0 [pid 6405] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6405] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6406] <... futex resumed>) = 0 [ 194.537252][ T6406] read_mapping_page failed! [ 194.544400][ T5863] [ 194.544400][ T5863] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 194.544400][ T5863] [ 194.563767][ T6406] ERROR: (device loop4): txCommit: [ 194.563767][ T6406] [ 194.573322][ T5863] [ 194.573322][ T5863] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 194.573322][ T5863] [pid 6406] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 5863] <... umount2 resumed>) = 0 [pid 5863] umount2("./39/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] newfstatat(AT_FDCWD, "./39/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5863] umount2("./39/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] openat(AT_FDCWD, "./39/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6406] <... openat resumed>) = -1 EIO (Input/output error) [pid 5863] <... openat resumed>) = 4 [pid 6406] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6405] <... futex resumed>) = 0 [pid 6405] exit_group(0) = ? [pid 6406] <... futex resumed>) = ? [pid 5863] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5863] getdents64(4, [pid 6406] +++ exited with 0 +++ [pid 6405] +++ exited with 0 +++ [pid 5863] <... getdents64 resumed>0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6405, si_uid=0, si_status=0, si_utime=9 /* 0.09 s */, si_stime=26 /* 0.26 s */} --- [pid 5863] getdents64(4, [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 5863] <... getdents64 resumed>0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5863] close(4) = 0 [pid 5863] rmdir("./39/bus") = 0 [pid 5863] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5863] close(3) = 0 [pid 5863] rmdir("./39") = 0 [pid 5863] mkdir("./40", 0777 [pid 5867] <... restart_syscall resumed>) = 0 [pid 5863] <... mkdir resumed>) = 0 [pid 5863] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5867] umount2("./39", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] <... openat resumed>) = 3 [pid 5867] openat(AT_FDCWD, "./39", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5863] ioctl(3, LOOP_CLR_FD [pid 5867] <... openat resumed>) = 3 [pid 5867] newfstatat(3, "", [pid 5863] <... ioctl resumed>) = 0 [pid 5867] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [ 194.614654][ T6406] read_mapping_page failed! [ 194.619286][ T6406] ERROR: (device loop4): txCommit: [ 194.619286][ T6406] [pid 5863] close(3 [pid 5867] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5867] umount2("./39/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./39/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] unlink("./39/binderfs") = 0 [ 194.701408][ T5867] [ 194.701408][ T5867] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 194.701408][ T5867] [ 194.735493][ T5867] [ 194.735493][ T5867] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 194.735493][ T5867] [pid 5867] umount2("./39/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 5867] umount2("./39/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./39/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] umount2("./39/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./39/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5867] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5867] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5867] close(4) = 0 [pid 5867] rmdir("./39/bus") = 0 [pid 5867] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5867] close(3) = 0 [pid 5867] rmdir("./39") = 0 [pid 5867] mkdir("./40", 0777) = 0 [pid 5867] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5867] ioctl(3, LOOP_CLR_FD) = 0 [pid 5867] close(3 [pid 6410] <... write resumed>) = 16777216 [pid 6410] munmap(0x7f46d1a00000, 138412032 [pid 6411] <... write resumed>) = 16777216 [pid 6411] munmap(0x7f46d1a00000, 138412032 [pid 5863] <... close resumed>) = 0 [pid 6413] <... write resumed>) = 16777216 [pid 6410] <... munmap resumed>) = 0 [pid 5863] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6413] munmap(0x7f46d1a00000, 138412032./strace-static-x86_64: Process 6415 attached [pid 6415] set_robust_list(0x555566de86a0, 24) = 0 [pid 6415] chdir("./40") = 0 [pid 6415] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6415] setpgid(0, 0) = 0 [pid 6415] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5863] <... clone resumed>, child_tidptr=0x555566de8690) = 6415 [pid 6415] write(3, "1000", 4) = 4 [pid 6415] close(3) = 0 [pid 6411] <... munmap resumed>) = 0 [pid 6410] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6415] symlink("/dev/binderfs", "./binderfs" [pid 6411] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6415] <... symlink resumed>) = 0 [pid 6413] <... munmap resumed>) = 0 [pid 6410] <... openat resumed>) = 4 [pid 6411] <... openat resumed>) = 4 [pid 6415] write(1, "executing program\n", 18executing program [pid 6413] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6411] ioctl(4, LOOP_SET_FD, 3 [pid 6410] ioctl(4, LOOP_SET_FD, 3 [pid 6415] <... write resumed>) = 18 [pid 6415] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6415] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6415] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6415] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6415] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6415] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6415] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0}./strace-static-x86_64: Process 6416 attached [pid 6416] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053) = 0 [pid 6416] set_robust_list(0x7f46d9f419a0, 24 [pid 6415] <... clone3 resumed> => {parent_tid=[6416]}, 88) = 6416 [pid 6416] <... set_robust_list resumed>) = 0 [pid 6415] rt_sigprocmask(SIG_SETMASK, [], [pid 6416] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6415] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6415] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6416] memfd_create("syzkaller", 0 [pid 6415] <... futex resumed>) = 0 [pid 6415] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6416] <... memfd_create resumed>) = 3 [pid 6413] <... openat resumed>) = 4 [pid 6411] <... ioctl resumed>) = 0 [pid 6410] <... ioctl resumed>) = 0 [pid 6416] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6413] ioctl(4, LOOP_SET_FD, 3 [pid 6416] <... mmap resumed>) = 0x7f46d1a00000 [pid 6410] close(3 [pid 6411] close(3 [pid 6410] <... close resumed>) = 0 [pid 6411] <... close resumed>) = 0 [pid 6410] close(4 [pid 6411] close(4 [pid 6410] <... close resumed>) = 0 [pid 6411] <... close resumed>) = 0 [pid 6410] mkdir("./bus", 0777 [pid 6411] mkdir("./bus", 0777 [pid 6410] <... mkdir resumed>) = 0 [pid 6411] <... mkdir resumed>) = 0 [pid 6410] mount("/dev/loop1", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6413] <... ioctl resumed>) = 0 [pid 6411] mount("/dev/loop3", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6413] close(3) = 0 [pid 6413] close(4) = 0 [pid 6413] mkdir("./bus", 0777) = 0 [ 195.004239][ T6410] loop1: detected capacity change from 0 to 32768 [ 195.013339][ T6411] loop3: detected capacity change from 0 to 32768 [ 195.029549][ T6413] loop2: detected capacity change from 0 to 32768 [pid 6413] mount("/dev/loop2", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 5867] <... close resumed>) = 0 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6417 attached [pid 6417] set_robust_list(0x555566de86a0, 24 [pid 5867] <... clone resumed>, child_tidptr=0x555566de8690) = 6417 [pid 6417] <... set_robust_list resumed>) = 0 [pid 6417] chdir("./40") = 0 [pid 6417] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6417] setpgid(0, 0) = 0 [pid 6417] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6417] write(3, "1000", 4) = 4 [pid 6417] close(3) = 0 [pid 6417] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6417] write(1, "executing program\n", 18executing program ) = 18 [pid 6417] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6417] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6417] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6417] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6417] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6417] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6410] <... mount resumed>) = 0 [pid 6417] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6417] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} [pid 6413] <... mount resumed>) = 0 [pid 6410] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6417] <... clone3 resumed> => {parent_tid=[6418]}, 88) = 6418 ./strace-static-x86_64: Process 6418 attached [pid 6417] rt_sigprocmask(SIG_SETMASK, [], [pid 6413] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6411] <... mount resumed>) = 0 [pid 6410] <... openat resumed>) = 3 [pid 6418] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6417] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6413] <... openat resumed>) = 3 [pid 6411] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6410] chdir("./bus" [pid 6418] <... rseq resumed>) = 0 [pid 6417] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6413] chdir("./bus" [pid 6411] <... openat resumed>) = 3 [pid 6410] <... chdir resumed>) = 0 [pid 6418] set_robust_list(0x7f46d9f419a0, 24 [pid 6417] <... futex resumed>) = 0 [pid 6413] <... chdir resumed>) = 0 [pid 6411] chdir("./bus" [pid 6410] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6418] <... set_robust_list resumed>) = 0 [pid 6417] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6413] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6411] <... chdir resumed>) = 0 [pid 6418] rt_sigprocmask(SIG_SETMASK, [], [pid 6413] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6411] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6410] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6413] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6410] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6418] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6413] <... futex resumed>) = 1 [pid 6412] <... futex resumed>) = 0 [pid 6411] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6418] memfd_create("syzkaller", 0 [pid 6412] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6411] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6418] <... memfd_create resumed>) = 3 [pid 6412] <... futex resumed>) = 0 [pid 6411] <... futex resumed>) = 1 [pid 6408] <... futex resumed>) = 0 [pid 6418] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6412] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6411] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6408] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6418] <... mmap resumed>) = 0x7f46d1a00000 [pid 6413] chdir("./file0" [pid 6411] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6410] <... futex resumed>) = 1 [pid 6409] <... futex resumed>) = 0 [pid 6408] <... futex resumed>) = 0 [pid 6408] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6411] chdir("./file0" [pid 6409] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6410] chdir("./file0" [ 195.075473][ T6411] [ 195.075473][ T6411] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 195.075473][ T6411] [ 195.090257][ T6410] [ 195.090257][ T6410] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 195.090257][ T6410] [ 195.110032][ T6413] [ 195.110032][ T6413] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 195.110032][ T6413] [pid 6409] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6413] <... chdir resumed>) = 0 [pid 6411] <... chdir resumed>) = 0 [pid 6410] <... chdir resumed>) = 0 [pid 6411] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6411] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6413] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6410] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6408] <... futex resumed>) = 0 [pid 6413] <... futex resumed>) = 1 [pid 6412] <... futex resumed>) = 0 [pid 6410] <... futex resumed>) = 1 [pid 6409] <... futex resumed>) = 0 [pid 6408] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6413] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6412] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6411] <... futex resumed>) = 0 [pid 6410] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6409] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6408] <... futex resumed>) = 1 [pid 6412] <... futex resumed>) = 0 [pid 6411] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6409] <... futex resumed>) = 0 [pid 6408] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6412] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 195.169776][ T6410] read_mapping_page failed! [ 195.174922][ T6413] read_mapping_page failed! [ 195.174984][ T6411] read_mapping_page failed! [ 195.203135][ T6411] ERROR: (device loop3): txCommit: [ 195.203135][ T6411] [ 195.203582][ T6410] ERROR: (device loop1): txCommit: [ 195.203582][ T6410] [pid 6409] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6411] <... open resumed>) = -1 EIO (Input/output error) [pid 6412] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6409] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6408] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6408] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6412] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6409] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6413] <... open resumed>) = -1 EIO (Input/output error) [pid 6412] <... futex resumed>) = 0 [pid 6411] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6409] <... futex resumed>) = 0 [pid 6408] <... futex resumed>) = 0 [pid 6413] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6409] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6408] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6413] <... futex resumed>) = 0 [pid 6412] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6409] <... mmap resumed>) = 0x7f46d9f00000 [pid 6413] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6408] <... mmap resumed>) = 0x7f46d9f00000 [pid 6412] <... mmap resumed>) = 0x7f46d9f00000 [pid 6409] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE [pid 6408] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE [pid 6412] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE [pid 6411] <... futex resumed>) = 0 [pid 6409] <... mprotect resumed>) = 0 [pid 6408] <... mprotect resumed>) = 0 [pid 6412] <... mprotect resumed>) = 0 [pid 6411] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6409] rt_sigprocmask(SIG_BLOCK, ~[], [ 195.218579][ T6413] ERROR: (device loop2): txCommit: [ 195.218579][ T6413] [pid 6408] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6412] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6409] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6408] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6412] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6409] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0} [pid 6408] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0}./strace-static-x86_64: Process 6419 attached [pid 6419] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053./strace-static-x86_64: Process 6420 attached ) = 0 [pid 6409] <... clone3 resumed> => {parent_tid=[6419]}, 88) = 6419 [pid 6420] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053 [pid 6419] set_robust_list(0x7f46d9f209a0, 24 [pid 6409] rt_sigprocmask(SIG_SETMASK, [], [pid 6408] <... clone3 resumed> => {parent_tid=[6420]}, 88) = 6420 [pid 6420] <... rseq resumed>) = 0 [pid 6419] <... set_robust_list resumed>) = 0 [pid 6409] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6420] set_robust_list(0x7f46d9f209a0, 24 [pid 6408] rt_sigprocmask(SIG_SETMASK, [], [pid 6420] <... set_robust_list resumed>) = 0 [pid 6419] rt_sigprocmask(SIG_SETMASK, [], [pid 6412] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0} [pid 6410] <... open resumed>) = -1 EIO (Input/output error) [pid 6409] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6408] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6420] rt_sigprocmask(SIG_SETMASK, [], [pid 6419] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6409] <... futex resumed>) = 0 [pid 6408] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6419] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x3)./strace-static-x86_64: Process 6421 attached [pid 6420] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6410] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6409] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6408] <... futex resumed>) = 0 [pid 6420] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x7) [pid 6412] <... clone3 resumed> => {parent_tid=[6421]}, 88) = 6421 [pid 6410] <... futex resumed>) = 0 [pid 6408] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6421] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053) = 0 [pid 6421] set_robust_list(0x7f46d9f209a0, 24) = 0 [pid 6421] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6412] rt_sigprocmask(SIG_SETMASK, [], [pid 6410] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6421] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6412] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6412] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6421] <... futex resumed>) = 0 [pid 6412] <... futex resumed>) = 1 [pid 6421] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x5) [pid 6420] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6412] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6421] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6420] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6419] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6419] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6408] <... futex resumed>) = 0 [pid 6420] <... futex resumed>) = 1 [pid 6409] <... futex resumed>) = 0 [pid 6408] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6419] <... futex resumed>) = 1 [pid 6420] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6419] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6409] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6408] <... futex resumed>) = 1 [pid 6410] <... futex resumed>) = 0 [pid 6409] <... futex resumed>) = 1 [pid 6408] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6410] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [ 195.287342][ T6419] read_mapping_page failed! [ 195.291918][ T6419] ERROR: (device loop1): txCommit: [ 195.291918][ T6419] [ 195.301147][ T6420] read_mapping_page failed! [ 195.305860][ T6420] ERROR: (device loop3): txCommit: [ 195.305860][ T6420] [ 195.318884][ T6421] read_mapping_page failed! [ 195.324929][ T6421] ERROR: (device loop2): txCommit: [ 195.324929][ T6421] [pid 6409] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6411] <... futex resumed>) = 0 [pid 6411] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6421] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6411] <... openat resumed>) = -1 EIO (Input/output error) [pid 6421] <... futex resumed>) = 1 [pid 6412] <... futex resumed>) = 0 [pid 6411] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6410] <... openat resumed>) = -1 EIO (Input/output error) [pid 6421] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6412] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6411] <... futex resumed>) = 1 [pid 6410] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6409] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6408] <... futex resumed>) = 0 [pid 6413] <... futex resumed>) = 0 [pid 6412] <... futex resumed>) = 1 [pid 6411] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6410] <... futex resumed>) = 0 [pid 6409] exit_group(0 [pid 6408] exit_group(0 [pid 6420] <... futex resumed>) = ? [pid 6419] <... futex resumed>) = ? [pid 6413] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6412] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6411] <... futex resumed>) = ? [pid 6409] <... exit_group resumed>) = ? [pid 6408] <... exit_group resumed>) = ? [ 195.335614][ T6410] read_mapping_page failed! [ 195.340153][ T6410] ERROR: (device loop1): txCommit: [ 195.340153][ T6410] [ 195.348875][ T6411] read_mapping_page failed! [ 195.364110][ T6411] ERROR: (device loop3): txCommit: [ 195.364110][ T6411] [pid 6420] +++ exited with 0 +++ [pid 6419] +++ exited with 0 +++ [pid 6410] +++ exited with 0 +++ [pid 6409] +++ exited with 0 +++ [pid 6411] +++ exited with 0 +++ [pid 6408] +++ exited with 0 +++ [pid 5864] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6409, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=29 /* 0.29 s */} --- [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6408, si_uid=0, si_status=0, si_utime=10 /* 0.10 s */, si_stime=25 /* 0.25 s */} --- [pid 5866] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5864] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5866] umount2("./40", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5864] umount2("./39", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5866] openat(AT_FDCWD, "./40", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6418] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6413] <... openat resumed>) = -1 EIO (Input/output error) [pid 5866] <... openat resumed>) = 3 [pid 5864] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(3, "", [pid 5864] openat(AT_FDCWD, "./39", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5866] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6413] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] getdents64(3, [pid 5864] <... openat resumed>) = 3 [pid 6413] <... futex resumed>) = 1 [pid 6412] <... futex resumed>) = 0 [pid 5866] <... getdents64 resumed>0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5864] newfstatat(3, "", [pid 6413] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6412] exit_group(0 [pid 5866] umount2("./40/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6421] <... futex resumed>) = ? [pid 6413] <... futex resumed>) = ? [pid 6412] <... exit_group resumed>) = ? [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5864] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6421] +++ exited with 0 +++ [pid 6413] +++ exited with 0 +++ [pid 5866] newfstatat(AT_FDCWD, "./40/binderfs", [pid 5864] getdents64(3, [pid 5866] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] unlink("./40/binderfs" [pid 5864] <... getdents64 resumed>0x555566de9730 /* 4 entries */, 32768) = 104 [pid 6412] +++ exited with 0 +++ [pid 5866] <... unlink resumed>) = 0 [pid 5864] umount2("./39/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5866] umount2("./40/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6412, si_uid=0, si_status=0, si_utime=10 /* 0.10 s */, si_stime=26 /* 0.26 s */} --- [pid 6416] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5864] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5865] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5865] umount2("./40", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] newfstatat(AT_FDCWD, "./39/binderfs", [pid 5865] openat(AT_FDCWD, "./40", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5864] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5864] unlink("./39/binderfs" [pid 5865] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5864] <... unlink resumed>) = 0 [pid 5865] umount2("./40/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5864] umount2("./39/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./40/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./40/binderfs") = 0 [ 195.398869][ T6413] read_mapping_page failed! [ 195.406340][ T6413] ERROR: (device loop2): txCommit: [ 195.406340][ T6413] [ 195.432072][ T5866] [ 195.432072][ T5866] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 195.432072][ T5866] [ 195.448871][ T5866] [ 195.448871][ T5866] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 195.448871][ T5866] [ 195.460445][ T5864] [ 195.460445][ T5864] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 195.460445][ T5864] [ 195.473994][ T5865] [ 195.473994][ T5865] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 195.473994][ T5865] [ 195.493656][ T5865] [pid 5865] umount2("./40/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5866] <... umount2 resumed>) = 0 [pid 5866] umount2("./40/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./40/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] umount2("./40/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] openat(AT_FDCWD, "./40/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5866] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5865] <... umount2 resumed>) = 0 [pid 5866] getdents64(4, [pid 5865] umount2("./40/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5866] <... getdents64 resumed>0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5866] close(4 [pid 5865] newfstatat(AT_FDCWD, "./40/bus", [pid 5866] <... close resumed>) = 0 [pid 5866] rmdir("./40/bus") = 0 [pid 5866] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5865] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] close(3 [pid 5865] umount2("./40/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5866] <... close resumed>) = 0 [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5866] rmdir("./40" [pid 5865] openat(AT_FDCWD, "./40/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5866] <... rmdir resumed>) = 0 [pid 5865] <... openat resumed>) = 4 [pid 5864] <... umount2 resumed>) = 0 [pid 5865] newfstatat(4, "", [pid 5864] umount2("./39/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5866] mkdir("./41", 0777 [pid 5865] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5864] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5865] getdents64(4, [pid 5864] newfstatat(AT_FDCWD, "./39/bus", [pid 5865] <... getdents64 resumed>0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5864] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] getdents64(4, [pid 5864] umount2("./39/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5865] <... getdents64 resumed>0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5864] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5865] close(4 [pid 5864] openat(AT_FDCWD, "./39/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5866] <... mkdir resumed>) = 0 [pid 5865] <... close resumed>) = 0 [pid 5864] <... openat resumed>) = 4 [pid 5865] rmdir("./40/bus" [pid 5864] newfstatat(4, "", [pid 5866] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5865] <... rmdir resumed>) = 0 [pid 5864] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, [pid 5864] getdents64(4, [pid 5866] <... openat resumed>) = 3 [pid 5864] <... getdents64 resumed>0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5865] <... getdents64 resumed>0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5864] getdents64(4, [pid 5865] close(3 [pid 5864] <... getdents64 resumed>0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5865] <... close resumed>) = 0 [pid 5864] close(4 [pid 5865] rmdir("./40" [pid 5864] <... close resumed>) = 0 [pid 5864] rmdir("./39/bus") = 0 [pid 5864] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5864] close(3) = 0 [ 195.493656][ T5865] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 195.493656][ T5865] [ 195.504632][ T5864] [ 195.504632][ T5864] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 195.504632][ T5864] [pid 5864] rmdir("./39" [pid 5866] ioctl(3, LOOP_CLR_FD [pid 5864] <... rmdir resumed>) = 0 [pid 5866] <... ioctl resumed>) = 0 [pid 5864] mkdir("./40", 0777 [pid 5866] close(3 [pid 5865] <... rmdir resumed>) = 0 [pid 5864] <... mkdir resumed>) = 0 [pid 5865] mkdir("./41", 0777 [pid 5864] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5865] <... mkdir resumed>) = 0 [pid 5864] ioctl(3, LOOP_CLR_FD) = 0 [pid 5864] close(3 [pid 5865] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5865] ioctl(3, LOOP_CLR_FD) = 0 [pid 5865] close(3 [pid 6416] <... write resumed>) = 16777216 [pid 6416] munmap(0x7f46d1a00000, 138412032) = 0 [pid 6416] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 6416] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6416] close(3) = 0 [pid 6416] close(4) = 0 [pid 6416] mkdir("./bus", 0777) = 0 [pid 6416] mount("/dev/loop0", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6418] <... write resumed>) = 16777216 [pid 5866] <... close resumed>) = 0 [pid 6418] munmap(0x7f46d1a00000, 138412032 [pid 6416] <... mount resumed>) = 0 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6416] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5866] <... clone resumed>, child_tidptr=0x555566de8690) = 6422 [pid 6416] chdir("./bus") = 0 [pid 6416] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6416] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6422 attached ) = 1 [pid 6415] <... futex resumed>) = 0 [ 195.808255][ T6416] loop0: detected capacity change from 0 to 32768 [ 195.835293][ T6416] [ 195.835293][ T6416] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 195.835293][ T6416] [pid 6416] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6415] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6416] <... futex resumed>) = 0 [pid 6415] <... futex resumed>) = 1 [pid 6416] chdir("./file0" [pid 6415] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6416] <... chdir resumed>) = 0 [pid 6416] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6415] <... futex resumed>) = 0 [pid 6416] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6415] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6415] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6422] set_robust_list(0x555566de86a0, 24 [pid 6418] <... munmap resumed>) = 0 [pid 6422] <... set_robust_list resumed>) = 0 [pid 6418] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6422] chdir("./41") = 0 [pid 6418] <... openat resumed>) = 4 [pid 6422] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6418] ioctl(4, LOOP_SET_FD, 3 [pid 6422] <... prctl resumed>) = 0 [pid 6418] <... ioctl resumed>) = 0 [pid 6422] setpgid(0, 0) = 0 [pid 6422] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6416] <... open resumed>) = -1 EIO (Input/output error) [pid 6422] write(3, "1000", 4 [pid 6416] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6415] <... futex resumed>) = 0 [pid 6422] <... write resumed>) = 4 [pid 6416] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x1) [pid 6415] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6422] close(3 [pid 6415] <... futex resumed>) = 0 [pid 6422] <... close resumed>) = 0 [pid 6415] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6422] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6422] write(1, "executing program\n", 18) = 18 [pid 6418] close(3 [pid 6422] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6418] <... close resumed>) = 0 [pid 6422] <... futex resumed>) = 0 [pid 6418] close(4 [pid 6422] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, [pid 6418] <... close resumed>) = 0 [pid 6422] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6418] mkdir("./bus", 0777 [ 195.878263][ T6416] read_mapping_page failed! [ 195.883545][ T6416] ERROR: (device loop0): txCommit: [ 195.883545][ T6416] [ 195.894572][ T6418] loop4: detected capacity change from 0 to 32768 [ 195.908580][ T6416] read_mapping_page failed! [ 195.923054][ T6416] ERROR: (device loop0): txCommit: [pid 6422] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6418] <... mkdir resumed>) = 0 [pid 6422] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6422] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6422] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6418] mount("/dev/loop4", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6422] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6422] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} [pid 5864] <... close resumed>) = 0 [pid 6422] <... clone3 resumed> => {parent_tid=[6423]}, 88) = 6423 ./strace-static-x86_64: Process 6423 attached [pid 6422] rt_sigprocmask(SIG_SETMASK, [], [pid 6423] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6422] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6423] <... rseq resumed>) = 0 [pid 6422] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6423] set_robust_list(0x7f46d9f419a0, 24 [pid 6422] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6424 attached [pid 6423] <... set_robust_list resumed>) = 0 [pid 6422] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6423] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5864] <... clone resumed>, child_tidptr=0x555566de8690) = 6424 [pid 6424] set_robust_list(0x555566de86a0, 24 [pid 6423] memfd_create("syzkaller", 0 [pid 6424] <... set_robust_list resumed>) = 0 [pid 6423] <... memfd_create resumed>) = 3 [pid 6424] chdir("./40" [pid 6423] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6424] <... chdir resumed>) = 0 [pid 6423] <... mmap resumed>) = 0x7f46d1a00000 [pid 6416] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6424] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [ 195.923054][ T6416] [pid 6416] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6424] setpgid(0, 0 [pid 6416] <... futex resumed>) = 0 [pid 6415] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6416] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6424] <... setpgid resumed>) = 0 [pid 6415] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6415] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6416] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6416] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6424] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6424] write(3, "1000", 4) = 4 [pid 6424] close(3) = 0 [pid 6424] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6424] write(1, "executing program\n", 18executing program ) = 18 [pid 5865] <... close resumed>) = 0 [pid 6424] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6424] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6424] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 ./strace-static-x86_64: Process 6425 attached [pid 6424] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [ 195.964301][ T6418] [ 195.964301][ T6418] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 195.964301][ T6418] [ 195.981824][ T6416] read_mapping_page failed! [pid 6418] <... mount resumed>) = 0 [pid 6425] set_robust_list(0x555566de86a0, 24 [pid 6424] <... mmap resumed>) = 0x7f46d9f21000 [pid 6418] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5865] <... clone resumed>, child_tidptr=0x555566de8690) = 6425 [pid 6425] <... set_robust_list resumed>) = 0 [pid 6424] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE [pid 6425] chdir("./41"executing program [pid 6424] <... mprotect resumed>) = 0 [pid 6418] <... openat resumed>) = 3 [pid 6425] <... chdir resumed>) = 0 [pid 6418] chdir("./bus" [pid 6425] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6418] <... chdir resumed>) = 0 [pid 6425] setpgid(0, 0 [pid 6418] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6425] <... setpgid resumed>) = 0 [pid 6424] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6418] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6425] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6418] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6424] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6425] <... openat resumed>) = 3 [pid 6424] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} [pid 6418] <... futex resumed>) = 1 [pid 6425] write(3, "1000", 4 [pid 6418] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6425] <... write resumed>) = 4 [pid 6417] <... futex resumed>) = 0 [pid 6417] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6417] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6425] close(3 [pid 6418] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6424] <... clone3 resumed> => {parent_tid=[6426]}, 88) = 6426 [pid 6425] <... close resumed>) = 0 [pid 6424] rt_sigprocmask(SIG_SETMASK, [], [pid 6418] chdir("./file0" [pid 6425] symlink("/dev/binderfs", "./binderfs" [pid 6424] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6424] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6415] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6415] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 6425] <... symlink resumed>) = 0 [pid 6424] <... futex resumed>) = 0 [pid 6418] <... chdir resumed>) = 0 [pid 6415] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6425] write(1, "executing program\n", 18 [pid 6424] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6418] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6425] <... write resumed>) = 18 [pid 6418] <... futex resumed>) = 1 [pid 6425] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6418] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6417] <... futex resumed>) = 0 [pid 6425] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6426 attached [pid 6425] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, [pid 6417] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6418] <... futex resumed>) = 0 [pid 6417] <... futex resumed>) = 1 [pid 6418] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6417] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6426] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053) = 0 [pid 6426] set_robust_list(0x7f46d9f419a0, 24) = 0 [pid 6426] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6426] memfd_create("syzkaller", 0) = 3 [pid 6426] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6425] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6416] <... openat resumed>) = -1 EIO (Input/output error) [pid 6426] <... mmap resumed>) = 0x7f46d1a00000 [pid 6416] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6416] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6415] exit_group(0 [pid 6416] <... futex resumed>) = ? [pid 6415] <... exit_group resumed>) = ? [pid 6425] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6416] +++ exited with 0 +++ [pid 6415] +++ exited with 0 +++ [pid 6425] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5863] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6415, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=29 /* 0.29 s */} --- [pid 6425] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5863] restart_syscall(<... resuming interrupted clone ...> [pid 6418] <... open resumed>) = -1 EIO (Input/output error) [pid 6425] <... mmap resumed>) = 0x7f46d9f21000 [ 196.011199][ T6416] ERROR: (device loop0): txCommit: [ 196.011199][ T6416] [ 196.030421][ T6418] read_mapping_page failed! [ 196.043398][ T6418] ERROR: (device loop4): txCommit: [ 196.043398][ T6418] [ 196.053447][ T6418] read_mapping_page failed! [pid 6418] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6417] <... futex resumed>) = 0 [pid 6425] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE [pid 6417] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6425] <... mprotect resumed>) = 0 [pid 6418] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x9) [pid 6417] <... futex resumed>) = 0 [pid 6417] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5863] <... restart_syscall resumed>) = 0 [pid 5863] umount2("./40", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] openat(AT_FDCWD, "./40", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5863] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5863] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5863] umount2("./40/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] newfstatat(AT_FDCWD, "./40/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5863] unlink("./40/binderfs") = 0 [pid 5863] umount2("./40/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6425] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6425] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0}./strace-static-x86_64: Process 6427 attached => {parent_tid=[6427]}, 88) = 6427 [pid 6425] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6425] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6425] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6427] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053) = 0 [pid 6418] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6427] set_robust_list(0x7f46d9f419a0, 24) = 0 [pid 6427] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6418] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6417] <... futex resumed>) = 0 [pid 6418] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6417] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6418] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6427] memfd_create("syzkaller", 0 [pid 6418] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6417] <... futex resumed>) = 0 [pid 6417] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6427] <... memfd_create resumed>) = 3 [ 196.057999][ T6418] ERROR: (device loop4): txCommit: [ 196.057999][ T6418] [ 196.068047][ T5863] [ 196.068047][ T5863] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 196.068047][ T5863] [pid 6427] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 6418] <... openat resumed>) = -1 EIO (Input/output error) [pid 6418] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6417] <... futex resumed>) = 0 [pid 6418] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6417] exit_group(0 [pid 6418] <... futex resumed>) = ? [pid 6417] <... exit_group resumed>) = ? [pid 6418] +++ exited with 0 +++ [pid 6417] +++ exited with 0 +++ [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6417, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=28 /* 0.28 s */} --- [pid 5867] umount2("./40", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./40", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5867] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5867] umount2("./40/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./40/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] unlink("./40/binderfs") = 0 [pid 5867] umount2("./40/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5863] <... umount2 resumed>) = 0 [pid 5863] umount2("./40/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 196.103120][ T6418] read_mapping_page failed! [ 196.104065][ T5863] [ 196.104065][ T5863] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 196.104065][ T5863] [ 196.113144][ T6418] ERROR: (device loop4): txCommit: [ 196.113144][ T6418] [pid 5863] newfstatat(AT_FDCWD, "./40/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5863] umount2("./40/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] openat(AT_FDCWD, "./40/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5863] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5863] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5863] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5863] close(4) = 0 [pid 5863] rmdir("./40/bus") = 0 [pid 5863] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5863] close(3) = 0 [pid 5863] rmdir("./40") = 0 [pid 5863] mkdir("./41", 0777 [pid 5867] <... umount2 resumed>) = 0 [pid 5863] <... mkdir resumed>) = 0 [pid 5867] umount2("./40/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./40/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5863] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5867] umount2("./40/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./40/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5863] <... openat resumed>) = 3 [pid 5867] newfstatat(4, "", [pid 5863] ioctl(3, LOOP_CLR_FD [pid 5867] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5863] <... ioctl resumed>) = 0 [pid 5867] getdents64(4, [pid 5863] close(3 [pid 5867] <... getdents64 resumed>0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5867] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5867] close(4) = 0 [ 196.158447][ T5867] [ 196.158447][ T5867] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 196.158447][ T5867] [ 196.174170][ T5867] [ 196.174170][ T5867] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 196.174170][ T5867] [pid 5867] rmdir("./40/bus") = 0 [pid 5867] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5867] close(3) = 0 [pid 5867] rmdir("./40") = 0 [pid 5867] mkdir("./41", 0777) = 0 [pid 6423] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5867] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5867] ioctl(3, LOOP_CLR_FD) = 0 [pid 5867] close(3 [pid 6426] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6427] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5863] <... close resumed>) = 0 [pid 5863] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6428 attached , child_tidptr=0x555566de8690) = 6428 [pid 6428] set_robust_list(0x555566de86a0, 24) = 0 [pid 6428] chdir("./41") = 0 [pid 6428] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6428] setpgid(0, 0) = 0 [pid 6428] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6428] write(3, "1000", 4) = 4 [pid 6428] close(3) = 0 [pid 6428] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6428] write(1, "executing program\n", 18executing program ) = 18 [pid 6428] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6428] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6428] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6428] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6428] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6428] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6428] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0}./strace-static-x86_64: Process 6429 attached [pid 5867] <... close resumed>) = 0 [pid 6429] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6428] <... clone3 resumed> => {parent_tid=[6429]}, 88) = 6429 [pid 6429] <... rseq resumed>) = 0 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6429] set_robust_list(0x7f46d9f419a0, 24) = 0 [pid 6428] rt_sigprocmask(SIG_SETMASK, [], [pid 6429] rt_sigprocmask(SIG_SETMASK, [], [pid 6428] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5867] <... clone resumed>, child_tidptr=0x555566de8690) = 6430 [pid 6429] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6428] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6429] memfd_create("syzkaller", 0 [pid 6428] <... futex resumed>) = 0 [pid 6429] <... memfd_create resumed>) = 3 [pid 6428] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6429] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0./strace-static-x86_64: Process 6430 attached ) = 0x7f46d1a00000 [pid 6430] set_robust_list(0x555566de86a0, 24) = 0 [pid 6430] chdir("./41") = 0 [pid 6430] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6430] setpgid(0, 0) = 0 [pid 6430] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6430] write(3, "1000", 4) = 4 [pid 6430] close(3) = 0 [pid 6430] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6430] write(1, "executing program\n", 18) = 18 [pid 6430] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6430] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6430] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6430] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6430] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6430] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6430] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} => {parent_tid=[6431]}, 88) = 6431 ./strace-static-x86_64: Process 6431 attached [pid 6430] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6430] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6430] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6431] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053) = 0 [pid 6431] set_robust_list(0x7f46d9f419a0, 24) = 0 [pid 6431] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6431] memfd_create("syzkaller", 0) = 3 [pid 6431] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 6423] <... write resumed>) = 16777216 [pid 6423] munmap(0x7f46d1a00000, 138412032) = 0 [pid 6423] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 6423] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6423] close(3) = 0 [pid 6423] close(4) = 0 [pid 6423] mkdir("./bus", 0777) = 0 [pid 6423] mount("/dev/loop3", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6426] <... write resumed>) = 16777216 [ 196.723945][ T6423] loop3: detected capacity change from 0 to 32768 [ 196.759088][ T6423] [ 196.759088][ T6423] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 196.759088][ T6423] [pid 6426] munmap(0x7f46d1a00000, 138412032 [pid 6423] <... mount resumed>) = 0 [pid 6423] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6423] chdir("./bus") = 0 [pid 6423] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6423] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6422] <... futex resumed>) = 0 [pid 6423] chdir("./file0" [pid 6422] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6422] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6423] <... chdir resumed>) = 0 [pid 6423] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6422] <... futex resumed>) = 0 [pid 6423] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6422] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6426] <... munmap resumed>) = 0 [pid 6422] <... futex resumed>) = 0 [pid 6422] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6426] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 6426] ioctl(4, LOOP_SET_FD, 3 [pid 6427] <... write resumed>) = 16777216 [pid 6423] <... open resumed>) = -1 EIO (Input/output error) [pid 6427] munmap(0x7f46d1a00000, 138412032 [pid 6423] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6422] <... futex resumed>) = 0 [ 196.817090][ T6423] read_mapping_page failed! [ 196.821651][ T6423] ERROR: (device loop3): txCommit: [ 196.821651][ T6423] [ 196.847961][ T6426] loop1: detected capacity change from 0 to 32768 [pid 6423] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x7) [pid 6422] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6426] <... ioctl resumed>) = 0 [pid 6422] <... futex resumed>) = 0 [pid 6426] close(3) = 0 [pid 6426] close(4 [pid 6422] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6426] <... close resumed>) = 0 [pid 6426] mkdir("./bus", 0777) = 0 [pid 6426] mount("/dev/loop1", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6427] <... munmap resumed>) = 0 [pid 6423] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6423] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6422] <... futex resumed>) = 0 [pid 6422] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6422] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6423] <... futex resumed>) = 1 [pid 6423] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6427] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [ 196.874555][ T6423] read_mapping_page failed! [ 196.879124][ T6423] ERROR: (device loop3): txCommit: [ 196.879124][ T6423] [ 196.913050][ T6427] loop2: detected capacity change from 0 to 32768 [ 196.913540][ T6426] [pid 6427] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6427] close(3) = 0 [pid 6427] close(4) = 0 [pid 6427] mkdir("./bus", 0777) = 0 [pid 6427] mount("/dev/loop2", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6422] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6426] <... mount resumed>) = 0 [pid 6426] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6426] chdir("./bus") = 0 [pid 6426] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6426] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6424] <... futex resumed>) = 0 [pid 6426] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6424] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6426] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6424] <... futex resumed>) = 0 [pid 6426] chdir("./file0" [ 196.913540][ T6426] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 196.913540][ T6426] [ 196.920128][ T6423] read_mapping_page failed! [ 196.960393][ T6427] [ 196.960393][ T6427] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 196.960393][ T6427] [pid 6424] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6426] <... chdir resumed>) = 0 [pid 6426] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6424] <... futex resumed>) = 0 [pid 6426] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6424] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6426] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6424] <... futex resumed>) = 0 [pid 6426] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6424] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6427] <... mount resumed>) = 0 [pid 6427] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6427] chdir("./bus") = 0 [pid 6427] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6427] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6427] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6425] <... futex resumed>) = 0 [pid 6425] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6427] <... futex resumed>) = 0 [pid 6425] <... futex resumed>) = 1 [pid 6427] chdir("./file0") = 0 [pid 6425] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6427] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6427] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6423] <... openat resumed>) = -1 EIO (Input/output error) [pid 6429] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6425] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6425] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6423] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6423] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6422] exit_group(0 [pid 6423] <... futex resumed>) = ? [pid 6422] <... exit_group resumed>) = ? [pid 6423] +++ exited with 0 +++ [pid 6422] +++ exited with 0 +++ [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6422, si_uid=0, si_status=0, si_utime=10 /* 0.10 s */, si_stime=27 /* 0.27 s */} --- [pid 6425] <... futex resumed>) = 1 [pid 5866] umount2("./41", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6425] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6427] <... futex resumed>) = 0 [pid 6427] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [ 196.993458][ T6423] ERROR: (device loop3): txCommit: [ 196.993458][ T6423] [ 197.005033][ T6426] read_mapping_page failed! [ 197.009831][ T6426] ERROR: (device loop1): txCommit: [ 197.009831][ T6426] [pid 5866] openat(AT_FDCWD, "./41", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5866] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 6426] <... open resumed>) = -1 EIO (Input/output error) [pid 5866] umount2("./41/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6426] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6424] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6424] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] newfstatat(AT_FDCWD, "./41/binderfs", [pid 6424] <... futex resumed>) = 0 [pid 5866] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] unlink("./41/binderfs" [pid 6424] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] <... unlink resumed>) = 0 [pid 5866] umount2("./41/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6427] <... open resumed>) = -1 EIO (Input/output error) [pid 6426] <... futex resumed>) = 1 [pid 6424] <... futex resumed>) = 0 [pid 6427] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6424] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=39000000} [pid 6427] <... futex resumed>) = 1 [pid 6425] <... futex resumed>) = 0 [pid 6427] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6425] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6427] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6426] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x3) [pid 6427] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x5) [pid 6425] <... futex resumed>) = 0 [pid 6431] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216 [ 197.045873][ T6427] read_mapping_page failed! [ 197.051680][ T6427] ERROR: (device loop2): txCommit: [ 197.051680][ T6427] [ 197.074613][ T6427] read_mapping_page failed! [ 197.075396][ T6426] read_mapping_page failed! [ 197.079150][ T6427] ERROR: (device loop2): txCommit: [ 197.079150][ T6427] [pid 6425] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6427] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6427] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6427] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6424] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6425] <... futex resumed>) = 0 [pid 6424] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6424] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6425] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6424] <... mmap resumed>) = 0x7f46d9f00000 [pid 6427] <... futex resumed>) = 0 [pid 6425] <... futex resumed>) = 1 [pid 6424] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE [pid 6427] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6425] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6424] <... mprotect resumed>) = 0 [pid 6426] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6424] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6426] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6424] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6426] <... futex resumed>) = 0 [pid 6424] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0} [pid 6426] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6427] <... openat resumed>) = -1 EIO (Input/output error) [ 197.092836][ T6426] ERROR: (device loop1): txCommit: [ 197.092836][ T6426] [ 197.101394][ T5866] [ 197.101394][ T5866] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 197.101394][ T5866] [ 197.115955][ T6427] read_mapping_page failed! [ 197.120502][ T6427] ERROR: (device loop2): txCommit: [ 197.120502][ T6427] [ 197.139419][ T5866] [pid 6427] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6427] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6425] <... futex resumed>) = 0 [pid 6425] exit_group(0 [pid 6427] <... futex resumed>) = ? [pid 6425] <... exit_group resumed>) = ? [pid 6427] +++ exited with 0 +++ [pid 6425] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6425, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=28 /* 0.28 s */} --- [pid 5865] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5865] umount2("./41", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./41", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5865] umount2("./41/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./41/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./41/binderfs") = 0 [pid 5865] umount2("./41/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6424] <... clone3 resumed> => {parent_tid=[6432]}, 88) = 6432 [pid 6424] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6432 attached [pid 6432] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053) = 0 [pid 6432] set_robust_list(0x7f46d9f209a0, 24) = 0 [pid 6432] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6432] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6424] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6424] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6432] <... futex resumed>) = 0 [ 197.139419][ T5866] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 197.139419][ T5866] [ 197.165228][ T5865] [ 197.165228][ T5865] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 197.165228][ T5865] [ 197.183533][ T5865] [ 197.183533][ T5865] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 197.183533][ T5865] [pid 6432] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6424] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6432] <... openat resumed>) = -1 EIO (Input/output error) [pid 6432] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6424] <... futex resumed>) = 0 [pid 6432] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6424] exit_group(0 [pid 6432] <... futex resumed>) = ? [pid 6426] <... futex resumed>) = ? [pid 6424] <... exit_group resumed>) = ? [pid 6432] +++ exited with 0 +++ [pid 6426] +++ exited with 0 +++ [pid 6424] +++ exited with 0 +++ [pid 5864] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6424, si_uid=0, si_status=0, si_utime=10 /* 0.10 s */, si_stime=26 /* 0.26 s */} --- [pid 5864] restart_syscall(<... resuming interrupted clone ...> [pid 5866] <... umount2 resumed>) = 0 [pid 5865] <... umount2 resumed>) = 0 [pid 5865] umount2("./41/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./41/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] umount2("./41/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./41/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5865] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5865] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5865] close(4 [pid 5864] <... restart_syscall resumed>) = 0 [pid 5865] <... close resumed>) = 0 [pid 5865] rmdir("./41/bus" [pid 5866] umount2("./41/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5865] <... rmdir resumed>) = 0 [pid 5864] umount2("./40", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5865] getdents64(3, [pid 5864] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./41/bus", [pid 5865] <... getdents64 resumed>0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5864] openat(AT_FDCWD, "./40", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5866] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] close(3 [pid 5864] <... openat resumed>) = 3 [pid 5866] umount2("./41/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5865] <... close resumed>) = 0 [pid 5864] newfstatat(3, "", [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5865] rmdir("./41" [pid 5864] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] openat(AT_FDCWD, "./41/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5865] <... rmdir resumed>) = 0 [pid 5864] getdents64(3, [pid 5866] <... openat resumed>) = 4 [pid 5865] mkdir("./42", 0777 [pid 5864] <... getdents64 resumed>0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5866] newfstatat(4, "", [pid 5865] <... mkdir resumed>) = 0 [pid 5864] umount2("./40/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5866] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5864] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5866] getdents64(4, [pid 5865] <... openat resumed>) = 3 [pid 5864] newfstatat(AT_FDCWD, "./40/binderfs", [pid 5866] <... getdents64 resumed>0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5865] ioctl(3, LOOP_CLR_FD [pid 5864] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] getdents64(4, [pid 5865] <... ioctl resumed>) = 0 [pid 5864] unlink("./40/binderfs" [pid 5866] <... getdents64 resumed>0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5865] close(3 [pid 5864] <... unlink resumed>) = 0 [pid 5866] close(4 [pid 5864] umount2("./40/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5866] <... close resumed>) = 0 [ 197.208488][ T6432] read_mapping_page failed! [ 197.213660][ T6432] ERROR: (device loop1): txCommit: [ 197.213660][ T6432] [pid 5866] rmdir("./41/bus") = 0 [pid 5866] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5866] close(3) = 0 [pid 5866] rmdir("./41") = 0 [pid 5866] mkdir("./42", 0777) = 0 [pid 5866] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5866] ioctl(3, LOOP_CLR_FD [pid 5864] <... umount2 resumed>) = 0 [ 197.264708][ T5864] [ 197.264708][ T5864] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 197.264708][ T5864] [ 197.287496][ T5864] [ 197.287496][ T5864] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 197.287496][ T5864] [pid 5866] <... ioctl resumed>) = 0 [pid 5864] umount2("./40/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5866] close(3 [pid 5864] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5864] newfstatat(AT_FDCWD, "./40/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5864] umount2("./40/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] openat(AT_FDCWD, "./40/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5864] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5864] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5864] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5864] close(4) = 0 [pid 5864] rmdir("./40/bus") = 0 [pid 5864] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5864] close(3) = 0 [pid 5864] rmdir("./40") = 0 [pid 5864] mkdir("./41", 0777) = 0 [pid 5864] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5864] ioctl(3, LOOP_CLR_FD) = 0 [pid 5864] close(3 [pid 6431] <... write resumed>) = 16777216 [pid 6431] munmap(0x7f46d1a00000, 138412032 [pid 6429] <... write resumed>) = 16777216 [pid 6429] munmap(0x7f46d1a00000, 138412032 [pid 6431] <... munmap resumed>) = 0 [pid 6429] <... munmap resumed>) = 0 [pid 5865] <... close resumed>) = 0 [pid 6429] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6433 attached [pid 6431] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6429] <... openat resumed>) = 4 [pid 6431] <... openat resumed>) = 4 [pid 6429] ioctl(4, LOOP_SET_FD, 3 [pid 5865] <... clone resumed>, child_tidptr=0x555566de8690) = 6433 [pid 6429] <... ioctl resumed>) = 0 [pid 6433] set_robust_list(0x555566de86a0, 24 [pid 6431] ioctl(4, LOOP_SET_FD, 3 [pid 6433] <... set_robust_list resumed>) = 0 [pid 6429] close(3 [pid 6433] chdir("./42" [pid 6429] <... close resumed>) = 0 [pid 6433] <... chdir resumed>) = 0 [pid 6429] close(4 [pid 6433] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6429] <... close resumed>) = 0 [pid 6433] <... prctl resumed>) = 0 [pid 6429] mkdir("./bus", 0777 [pid 6433] setpgid(0, 0 [pid 6429] <... mkdir resumed>) = 0 [pid 6433] <... setpgid resumed>) = 0 [pid 6429] mount("/dev/loop0", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6433] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6431] <... ioctl resumed>) = 0 [pid 6433] <... openat resumed>) = 3 [pid 6433] write(3, "1000", 4) = 4 [pid 6431] close(3 [pid 6433] close(3 [pid 6431] <... close resumed>) = 0 [pid 6433] <... close resumed>) = 0 [pid 6431] close(4 [pid 6433] symlink("/dev/binderfs", "./binderfs" [pid 6431] <... close resumed>) = 0 [pid 6433] <... symlink resumed>) = 0 [pid 6431] mkdir("./bus", 0777executing program [pid 6433] write(1, "executing program\n", 18 [pid 6431] <... mkdir resumed>) = 0 [pid 6433] <... write resumed>) = 18 [pid 6433] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6433] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6431] mount("/dev/loop4", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6433] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6433] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6433] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6433] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [ 197.545168][ T6429] loop0: detected capacity change from 0 to 32768 [ 197.552913][ T6431] loop4: detected capacity change from 0 to 32768 [pid 6433] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} [pid 6429] <... mount resumed>) = 0 [pid 6433] <... clone3 resumed> => {parent_tid=[6434]}, 88) = 6434 [pid 6433] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 6434 attached [pid 6433] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6429] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6433] <... futex resumed>) = 0 [pid 6433] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6434] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6429] <... openat resumed>) = 3 [pid 6434] <... rseq resumed>) = 0 [pid 6429] chdir("./bus") = 0 [pid 6429] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6434] set_robust_list(0x7f46d9f419a0, 24) = 0 [pid 6429] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6431] <... mount resumed>) = 0 [pid 6434] rt_sigprocmask(SIG_SETMASK, [], [ 197.588795][ T6429] [ 197.588795][ T6429] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 197.588795][ T6429] [ 197.589570][ T6431] [ 197.589570][ T6431] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 197.589570][ T6431] [pid 6429] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6434] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6429] <... futex resumed>) = 1 [pid 6428] <... futex resumed>) = 0 [pid 6428] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6428] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6431] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6434] memfd_create("syzkaller", 0 [pid 6431] <... openat resumed>) = 3 [pid 6429] chdir("./file0" [pid 6431] chdir("./bus") = 0 [pid 6431] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6431] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6431] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6430] <... futex resumed>) = 0 [pid 6429] <... chdir resumed>) = 0 [pid 6430] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6429] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6430] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6429] <... futex resumed>) = 1 [pid 6429] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6428] <... futex resumed>) = 0 [pid 6428] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6429] <... futex resumed>) = 0 [pid 6428] <... futex resumed>) = 1 [pid 6429] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6428] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6431] <... futex resumed>) = 0 [pid 6431] chdir("./file0") = 0 [pid 6431] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6430] <... futex resumed>) = 0 [pid 6434] <... memfd_create resumed>) = 3 [pid 6431] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6430] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6431] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6431] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6434] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6430] <... futex resumed>) = 0 [pid 6430] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6434] <... mmap resumed>) = 0x7f46d1a00000 [pid 6431] <... open resumed>) = -1 EIO (Input/output error) [pid 6431] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6431] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6430] <... futex resumed>) = 0 [pid 6430] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6431] <... futex resumed>) = 0 [pid 6430] <... futex resumed>) = 1 [pid 6431] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x9) [pid 6430] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6428] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5866] <... close resumed>) = 0 [pid 6428] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6428] <... futex resumed>) = 0 [pid 6428] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f00000 [pid 6428] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6428] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6428] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0} => {parent_tid=[6435]}, 88) = 6435 [pid 6428] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6428] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6428] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6436 attached ./strace-static-x86_64: Process 6435 attached [pid 6436] set_robust_list(0x555566de86a0, 24 [pid 6435] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053 [pid 5866] <... clone resumed>, child_tidptr=0x555566de8690) = 6436 [pid 6436] <... set_robust_list resumed>) = 0 [pid 6435] <... rseq resumed>) = 0 [pid 6435] set_robust_list(0x7f46d9f209a0, 24 [pid 6436] chdir("./42" [pid 6435] <... set_robust_list resumed>) = 0 [pid 6436] <... chdir resumed>) = 0 [pid 6435] rt_sigprocmask(SIG_SETMASK, [], [pid 6436] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6435] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6436] <... prctl resumed>) = 0 [pid 6435] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x1) [pid 6436] setpgid(0, 0) = 0 [pid 6436] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [ 197.654274][ T6431] read_mapping_page failed! [ 197.660588][ T6431] ERROR: (device loop4): txCommit: [ 197.660588][ T6431] [ 197.672401][ T6429] read_mapping_page failed! [ 197.684297][ T6431] read_mapping_page failed! [ 197.688007][ T6429] ERROR: (device loop0): txCommit: [ 197.688007][ T6429] [ 197.690362][ T6431] ERROR: (device loop4): txCommit: [ 197.690362][ T6431] [pid 6436] write(3, "1000", 4 [pid 6429] <... open resumed>) = -1 EIO (Input/output error) [pid 6436] <... write resumed>) = 4 [pid 6429] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6430] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6430] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6430] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f00000 [pid 6430] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE [pid 6436] close(3 [pid 6435] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6430] <... mprotect resumed>) = 0 [pid 6429] <... futex resumed>) = 0 [pid 6436] <... close resumed>) = 0 [pid 6435] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6429] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6436] symlink("/dev/binderfs", "./binderfs" [pid 6430] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6436] <... symlink resumed>) = 0 [pid 6435] <... futex resumed>) = 1 [pid 6430] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6428] <... futex resumed>) = 0 [pid 6430] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0} [pid 6428] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000executing program ./strace-static-x86_64: Process 6437 attached [pid 6436] write(1, "executing program\n", 18 [pid 6435] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6428] <... futex resumed>) = 1 [pid 6437] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053 [pid 6436] <... write resumed>) = 18 [pid 6430] <... clone3 resumed> => {parent_tid=[6437]}, 88) = 6437 [pid 6429] <... futex resumed>) = 0 [pid 6428] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6437] <... rseq resumed>) = 0 [pid 6436] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6430] rt_sigprocmask(SIG_SETMASK, [], [pid 6429] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6437] set_robust_list(0x7f46d9f209a0, 24 [pid 6436] <... futex resumed>) = 0 [pid 6430] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6437] <... set_robust_list resumed>) = 0 [pid 6430] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6437] rt_sigprocmask(SIG_SETMASK, [], [pid 6430] <... futex resumed>) = 0 [pid 6437] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6436] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, [pid 6437] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6436] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6430] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6431] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6431] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 197.726867][ T6435] read_mapping_page failed! [ 197.733323][ T6435] ERROR: (device loop0): txCommit: [ 197.733323][ T6435] [ 197.755468][ T6429] read_mapping_page failed! [pid 6431] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6436] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6429] <... openat resumed>) = -1 EIO (Input/output error) [pid 6436] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6436] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6436] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6436] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6428] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6436] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6436] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0}./strace-static-x86_64: Process 6438 attached [pid 6429] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6438] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6436] <... clone3 resumed> => {parent_tid=[6438]}, 88) = 6438 [pid 6429] <... futex resumed>) = 0 [pid 6438] <... rseq resumed>) = 0 [pid 6436] rt_sigprocmask(SIG_SETMASK, [], [pid 6429] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6438] set_robust_list(0x7f46d9f419a0, 24 [pid 6436] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6438] <... set_robust_list resumed>) = 0 [pid 6436] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6438] rt_sigprocmask(SIG_SETMASK, [], [pid 6436] <... futex resumed>) = 0 [pid 6438] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6436] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6428] exit_group(0 [pid 6435] <... futex resumed>) = ? [pid 6428] <... exit_group resumed>) = ? [pid 6438] memfd_create("syzkaller", 0 [pid 6435] +++ exited with 0 +++ [pid 6429] <... futex resumed>) = ? [pid 6430] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6438] <... memfd_create resumed>) = 3 [pid 6437] <... openat resumed>) = -1 EIO (Input/output error) [pid 6438] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6437] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6430] exit_group(0 [pid 6438] <... mmap resumed>) = 0x7f46d1a00000 [pid 6437] <... futex resumed>) = ? [pid 6431] <... futex resumed>) = ? [pid 6430] <... exit_group resumed>) = ? [pid 6437] +++ exited with 0 +++ [pid 6431] +++ exited with 0 +++ [pid 6430] +++ exited with 0 +++ [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6430, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=30 /* 0.30 s */} --- [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 6429] +++ exited with 0 +++ [pid 6428] +++ exited with 0 +++ [pid 5863] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6428, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=27 /* 0.27 s */} --- [ 197.773078][ T6429] ERROR: (device loop0): txCommit: [ 197.773078][ T6429] [ 197.777103][ T6437] read_mapping_page failed! [ 197.795751][ T6437] ERROR: (device loop4): txCommit: [ 197.795751][ T6437] [pid 5863] restart_syscall(<... resuming interrupted clone ...> [pid 5864] <... close resumed>) = 0 [pid 5867] <... restart_syscall resumed>) = 0 [pid 5863] <... restart_syscall resumed>) = 0 [pid 5867] umount2("./41", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5863] umount2("./41", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./41", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5863] openat(AT_FDCWD, "./41", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5867] <... openat resumed>) = 3 [pid 5863] <... openat resumed>) = 3 [pid 5867] newfstatat(3, "", [pid 5863] newfstatat(3, "", [pid 5867] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5864] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5863] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(3, [pid 5863] getdents64(3, [pid 5867] <... getdents64 resumed>0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5863] <... getdents64 resumed>0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5867] umount2("./41/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5863] umount2("./41/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./41/binderfs", [pid 5863] newfstatat(AT_FDCWD, "./41/binderfs", [pid 5867] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] unlink("./41/binderfs" [pid 5863] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] <... unlink resumed>) = 0 [pid 5863] unlink("./41/binderfs") = 0 [pid 5867] umount2("./41/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5863] umount2("./41/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6434] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216./strace-static-x86_64: Process 6439 attached [pid 6439] set_robust_list(0x555566de86a0, 24) = 0 [pid 6439] chdir("./41") = 0 [pid 5864] <... clone resumed>, child_tidptr=0x555566de8690) = 6439 [pid 6439] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6439] setpgid(0, 0) = 0 [pid 6439] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6439] write(3, "1000", 4) = 4 [pid 6439] close(3) = 0 [pid 6439] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6439] write(1, "executing program\n", 18) = 18 [pid 6439] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6439] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6439] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6439] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6439] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6439] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6439] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0}./strace-static-x86_64: Process 6440 attached => {parent_tid=[6440]}, 88) = 6440 [pid 6439] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6439] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6439] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6440] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053) = 0 [pid 6440] set_robust_list(0x7f46d9f419a0, 24) = 0 [pid 6440] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6440] memfd_create("syzkaller", 0) = 3 [pid 6440] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 5867] <... umount2 resumed>) = 0 [ 197.893775][ T5867] [ 197.893775][ T5867] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 197.893775][ T5867] [ 197.905015][ T5863] [ 197.905015][ T5863] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 197.905015][ T5863] [ 197.917033][ T5867] [ 197.917033][ T5867] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 197.917033][ T5867] [ 197.929072][ T5863] [ 197.929072][ T5863] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 197.929072][ T5863] [pid 5867] umount2("./41/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5863] <... umount2 resumed>) = 0 [pid 5863] umount2("./41/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5863] newfstatat(AT_FDCWD, "./41/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5863] umount2("./41/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] openat(AT_FDCWD, "./41/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5867] newfstatat(AT_FDCWD, "./41/bus", [pid 5863] <... openat resumed>) = 4 [pid 5867] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5863] newfstatat(4, "", [pid 5867] umount2("./41/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] openat(AT_FDCWD, "./41/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5863] getdents64(4, [pid 5867] <... openat resumed>) = 4 [pid 5867] newfstatat(4, "", [pid 5863] <... getdents64 resumed>0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5867] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5863] getdents64(4, [pid 5867] getdents64(4, [pid 5863] <... getdents64 resumed>0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5863] close(4 [pid 5867] <... getdents64 resumed>0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5863] <... close resumed>) = 0 [pid 5867] getdents64(4, [pid 5863] rmdir("./41/bus" [pid 5867] <... getdents64 resumed>0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5863] <... rmdir resumed>) = 0 [pid 5867] close(4 [pid 5863] getdents64(3, [pid 5867] <... close resumed>) = 0 [pid 5863] <... getdents64 resumed>0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5867] rmdir("./41/bus" [pid 5863] close(3) = 0 [pid 5867] <... rmdir resumed>) = 0 [pid 5863] rmdir("./41") = 0 [pid 5867] getdents64(3, [pid 5863] mkdir("./42", 0777 [pid 5867] <... getdents64 resumed>0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5863] <... mkdir resumed>) = 0 [pid 5867] close(3) = 0 [pid 5863] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5867] rmdir("./41") = 0 [pid 5863] <... openat resumed>) = 3 [pid 5867] mkdir("./42", 0777) = 0 [pid 5867] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5863] ioctl(3, LOOP_CLR_FD [pid 5867] <... openat resumed>) = 3 [pid 5863] <... ioctl resumed>) = 0 [pid 5867] ioctl(3, LOOP_CLR_FD [pid 5863] close(3 [pid 5867] <... ioctl resumed>) = 0 [pid 5867] close(3 [pid 6438] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6434] <... write resumed>) = 16777216 [pid 6434] munmap(0x7f46d1a00000, 138412032) = 0 [pid 6434] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 6434] ioctl(4, LOOP_SET_FD, 3 [pid 5863] <... close resumed>) = 0 [pid 6434] <... ioctl resumed>) = 0 [pid 5863] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6434] close(3) = 0 [pid 6434] close(4) = 0 [pid 6434] mkdir("./bus", 0777) = 0 [pid 6434] mount("/dev/loop2", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 5863] <... clone resumed>, child_tidptr=0x555566de8690) = 6441 ./strace-static-x86_64: Process 6441 attached [pid 6441] set_robust_list(0x555566de86a0, 24) = 0 [pid 6441] chdir("./42") = 0 [pid 6441] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6441] setpgid(0, 0) = 0 [pid 6441] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6441] write(3, "1000", 4) = 4 [pid 6441] close(3) = 0 [ 198.299010][ T6434] loop2: detected capacity change from 0 to 32768 [pid 6441] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6440] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6441] write(1, "executing program\n", 18) = 18 [pid 6441] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5867] <... close resumed>) = 0 [pid 6441] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, [pid 6434] <... mount resumed>) = 0 [pid 6441] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6441] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6441] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6441] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6441] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6434] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6441] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6434] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6442 attached [pid 6441] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} [pid 6434] chdir("./bus" [pid 5867] <... clone resumed>, child_tidptr=0x555566de8690) = 6442 ./strace-static-x86_64: Process 6443 attached [pid 6434] <... chdir resumed>) = 0 [pid 6443] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6441] <... clone3 resumed> => {parent_tid=[6443]}, 88) = 6443 [pid 6443] <... rseq resumed>) = 0 [pid 6442] set_robust_list(0x555566de86a0, 24 [pid 6443] set_robust_list(0x7f46d9f419a0, 24 [pid 6442] <... set_robust_list resumed>) = 0 [pid 6441] rt_sigprocmask(SIG_SETMASK, [], [pid 6434] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6443] <... set_robust_list resumed>) = 0 [pid 6441] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6443] rt_sigprocmask(SIG_SETMASK, [], [pid 6441] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6434] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6443] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6441] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6434] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6442] chdir("./42" [pid 6433] <... futex resumed>) = 0 [pid 6434] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6433] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6443] memfd_create("syzkaller", 0 [pid 6442] <... chdir resumed>) = 0 [pid 6434] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6433] <... futex resumed>) = 0 [pid 6442] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6434] chdir("./file0" [pid 6433] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6442] <... prctl resumed>) = 0 [pid 6434] <... chdir resumed>) = 0 [pid 6443] <... memfd_create resumed>) = 3 [pid 6443] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6442] setpgid(0, 0 [pid 6434] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6433] <... futex resumed>) = 0 [pid 6443] <... mmap resumed>) = 0x7f46d1a00000 [pid 6442] <... setpgid resumed>) = 0 [pid 6434] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6433] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6434] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 198.345478][ T6434] [ 198.345478][ T6434] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 198.345478][ T6434] [pid 6433] <... futex resumed>) = 0 [pid 6442] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6434] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6433] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6442] <... openat resumed>) = 3 [pid 6442] write(3, "1000", 4) = 4 [pid 6442] close(3 [pid 6434] <... open resumed>) = -1 EIO (Input/output error) [pid 6442] <... close resumed>) = 0 [pid 6442] symlink("/dev/binderfs", "./binderfs" [pid 6434] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6433] <... futex resumed>) = 0 [pid 6442] <... symlink resumed>) = 0 [pid 6433] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6433] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6434] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x5)executing program [pid 6442] write(1, "executing program\n", 18) = 18 [pid 6442] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6442] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6442] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6442] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6442] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6442] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6442] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0}./strace-static-x86_64: Process 6444 attached => {parent_tid=[6444]}, 88) = 6444 [ 198.404675][ T6434] read_mapping_page failed! [ 198.409241][ T6434] ERROR: (device loop2): txCommit: [ 198.409241][ T6434] [ 198.444735][ T6434] read_mapping_page failed! [pid 6444] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6442] rt_sigprocmask(SIG_SETMASK, [], [pid 6444] <... rseq resumed>) = 0 [pid 6442] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6444] set_robust_list(0x7f46d9f419a0, 24 [pid 6442] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6444] <... set_robust_list resumed>) = 0 [pid 6442] <... futex resumed>) = 0 [pid 6444] rt_sigprocmask(SIG_SETMASK, [], [pid 6442] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6444] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6444] memfd_create("syzkaller", 0 [pid 6434] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6434] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6433] <... futex resumed>) = 0 [pid 6433] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6433] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6434] <... futex resumed>) = 1 [pid 6434] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6444] <... memfd_create resumed>) = 3 [pid 6444] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 6434] <... openat resumed>) = -1 EIO (Input/output error) [pid 6434] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6433] <... futex resumed>) = 0 [pid 6433] exit_group(0) = ? [pid 6434] <... futex resumed>) = ? [pid 6434] +++ exited with 0 +++ [pid 6433] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6433, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=33 /* 0.33 s */} --- [pid 5865] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5865] umount2("./42", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./42", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [ 198.462040][ T6434] ERROR: (device loop2): txCommit: [ 198.462040][ T6434] [ 198.488497][ T6434] read_mapping_page failed! [ 198.493243][ T6434] ERROR: (device loop2): txCommit: [ 198.493243][ T6434] [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5865] umount2("./42/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./42/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./42/binderfs") = 0 [pid 5865] umount2("./42/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6438] <... write resumed>) = 16777216 [pid 6438] munmap(0x7f46d1a00000, 138412032 [pid 5865] <... umount2 resumed>) = 0 [pid 5865] umount2("./42/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6438] <... munmap resumed>) = 0 [pid 6438] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [ 198.560316][ T5865] [ 198.560316][ T5865] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 198.560316][ T5865] [ 198.585422][ T5865] [ 198.585422][ T5865] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 198.585422][ T5865] [pid 6438] ioctl(4, LOOP_SET_FD, 3 [pid 5865] newfstatat(AT_FDCWD, "./42/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] umount2("./42/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./42/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5865] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5865] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5865] close(4) = 0 [pid 5865] rmdir("./42/bus") = 0 [pid 5865] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./42" [pid 6438] <... ioctl resumed>) = 0 [pid 6438] close(3) = 0 [pid 6438] close(4) = 0 [pid 6438] mkdir("./bus", 0777) = 0 [pid 5865] <... rmdir resumed>) = 0 [pid 5865] mkdir("./43", 0777 [pid 6438] mount("/dev/loop3", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 5865] <... mkdir resumed>) = 0 [pid 5865] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5865] ioctl(3, LOOP_CLR_FD) = 0 [ 198.635610][ T6438] loop3: detected capacity change from 0 to 32768 [pid 5865] close(3 [pid 6438] <... mount resumed>) = 0 [pid 6438] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6438] chdir("./bus") = 0 [pid 6438] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6438] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6438] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6436] <... futex resumed>) = 0 [pid 6436] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6438] <... futex resumed>) = 0 [pid 6436] <... futex resumed>) = 1 [pid 6438] chdir("./file0" [pid 6436] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6438] <... chdir resumed>) = 0 [pid 6438] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6438] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6436] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6436] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6438] <... futex resumed>) = 0 [pid 6436] <... futex resumed>) = 1 [pid 6438] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [ 198.683151][ T6438] [ 198.683151][ T6438] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 198.683151][ T6438] [ 198.738578][ T6438] read_mapping_page failed! [ 198.747716][ T6438] ERROR: (device loop3): txCommit: [ 198.747716][ T6438] [pid 6436] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6443] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6440] <... write resumed>) = 16777216 [pid 6438] <... open resumed>) = -1 EIO (Input/output error) [pid 6436] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6436] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6438] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6436] <... futex resumed>) = 0 [pid 6440] munmap(0x7f46d1a00000, 138412032 [pid 6438] <... futex resumed>) = 0 [pid 6438] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6436] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f00000 [pid 6436] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6436] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6436] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0}./strace-static-x86_64: Process 6445 attached [pid 6440] <... munmap resumed>) = 0 [pid 6436] <... clone3 resumed> => {parent_tid=[6445]}, 88) = 6445 [pid 6436] rt_sigprocmask(SIG_SETMASK, [], [pid 6445] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053 [pid 6436] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6436] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6436] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6445] <... rseq resumed>) = 0 [pid 6445] set_robust_list(0x7f46d9f209a0, 24) = 0 [pid 6445] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6445] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x7) [pid 6440] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 6444] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6440] ioctl(4, LOOP_SET_FD, 3 [pid 6445] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6440] <... ioctl resumed>) = 0 [pid 6445] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6436] <... futex resumed>) = 0 [pid 6445] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6436] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6438] <... futex resumed>) = 0 [pid 6436] <... futex resumed>) = 1 [pid 6440] close(3 [pid 6436] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6440] <... close resumed>) = 0 [ 198.868663][ T6445] read_mapping_page failed! [ 198.883058][ T6445] ERROR: (device loop3): txCommit: [ 198.883058][ T6445] [ 198.891263][ T6440] loop1: detected capacity change from 0 to 32768 [pid 6438] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6440] close(4) = 0 [pid 6440] mkdir("./bus", 0777) = 0 [pid 6440] mount("/dev/loop1", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6438] <... openat resumed>) = -1 EIO (Input/output error) [pid 6438] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6436] <... futex resumed>) = 0 [pid 6438] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6436] exit_group(0 [pid 6445] <... futex resumed>) = ? [pid 6438] <... futex resumed>) = ? [pid 6436] <... exit_group resumed>) = ? [pid 6445] +++ exited with 0 +++ [pid 6438] +++ exited with 0 +++ [pid 6436] +++ exited with 0 +++ [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6436, si_uid=0, si_status=0, si_utime=9 /* 0.09 s */, si_stime=25 /* 0.25 s */} --- [pid 5866] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5866] umount2("./42", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] openat(AT_FDCWD, "./42", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5866] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5866] umount2("./42/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./42/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] unlink("./42/binderfs") = 0 [ 198.919799][ T6438] read_mapping_page failed! [ 198.928878][ T6438] ERROR: (device loop3): txCommit: [ 198.928878][ T6438] [ 198.943577][ T6440] [ 198.943577][ T6440] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 198.943577][ T6440] [pid 5866] umount2("./42/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6440] <... mount resumed>) = 0 [pid 6440] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6440] chdir("./bus") = 0 [pid 6440] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6440] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6439] <... futex resumed>) = 0 [pid 6440] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6439] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] <... close resumed>) = 0 [pid 6440] <... futex resumed>) = 0 [pid 6439] <... futex resumed>) = 1 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6446 attached [pid 6446] set_robust_list(0x555566de86a0, 24 [pid 5865] <... clone resumed>, child_tidptr=0x555566de8690) = 6446 [pid 6446] <... set_robust_list resumed>) = 0 [pid 6446] chdir("./43") = 0 [pid 6446] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6446] setpgid(0, 0) = 0 [pid 6446] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6440] chdir("./file0" [pid 6439] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6446] write(3, "1000", 4) = 4 [pid 6446] close(3) = 0 [pid 6446] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6446] write(1, "executing program\n", 18executing program ) = 18 [pid 6446] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6446] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6446] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6446] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6446] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE [pid 6440] <... chdir resumed>) = 0 [pid 6446] <... mprotect resumed>) = 0 [pid 6440] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6439] <... futex resumed>) = 0 [pid 6440] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 6439] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6440] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6439] <... futex resumed>) = 0 [pid 6439] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 198.994287][ T5866] [ 198.994287][ T5866] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 198.994287][ T5866] [ 199.015197][ T5866] [ 199.015197][ T5866] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 199.015197][ T5866] [pid 6446] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6446] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0}./strace-static-x86_64: Process 6447 attached => {parent_tid=[6447]}, 88) = 6447 [pid 6446] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6446] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6447] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6446] <... futex resumed>) = 0 [pid 6447] <... rseq resumed>) = 0 [pid 6446] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6447] set_robust_list(0x7f46d9f419a0, 24) = 0 [pid 6447] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6447] memfd_create("syzkaller", 0 [pid 5866] <... umount2 resumed>) = 0 [pid 6447] <... memfd_create resumed>) = 3 [pid 6447] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 5866] umount2("./42/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6440] <... open resumed>) = -1 EIO (Input/output error) [pid 5866] newfstatat(AT_FDCWD, "./42/bus", [pid 6440] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6440] <... futex resumed>) = 1 [pid 6439] <... futex resumed>) = 0 [pid 5866] umount2("./42/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6440] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6439] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6439] <... futex resumed>) = 0 [pid 5866] openat(AT_FDCWD, "./42/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6440] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6439] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] <... openat resumed>) = 4 [pid 6440] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x3) [ 199.061130][ T6440] read_mapping_page failed! [ 199.070398][ T6440] ERROR: (device loop1): txCommit: [ 199.070398][ T6440] [pid 5866] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5866] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5866] close(4) = 0 [pid 5866] rmdir("./42/bus") = 0 [pid 5866] getdents64(3, [pid 6443] <... write resumed>) = 16777216 [pid 5866] <... getdents64 resumed>0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5866] close(3 [pid 6440] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6440] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] <... close resumed>) = 0 [pid 6440] <... futex resumed>) = 1 [pid 6439] <... futex resumed>) = 0 [pid 5866] rmdir("./42" [pid 6440] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6439] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6443] munmap(0x7f46d1a00000, 138412032 [pid 6440] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6439] <... futex resumed>) = 0 [pid 5866] <... rmdir resumed>) = 0 [pid 6440] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6439] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] mkdir("./43", 0777) = 0 [ 199.121461][ T6440] read_mapping_page failed! [ 199.132594][ T6440] ERROR: (device loop1): txCommit: [ 199.132594][ T6440] [pid 5866] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5866] ioctl(3, LOOP_CLR_FD) = 0 [pid 5866] close(3 [pid 6443] <... munmap resumed>) = 0 [pid 6443] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 6443] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6443] close(3) = 0 [pid 6443] close(4) = 0 [pid 6443] mkdir("./bus", 0777 [pid 6439] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6443] <... mkdir resumed>) = 0 [pid 6443] mount("/dev/loop0", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6440] <... openat resumed>) = -1 EIO (Input/output error) [pid 6440] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6439] exit_group(0 [pid 6440] <... futex resumed>) = ? [pid 6439] <... exit_group resumed>) = ? [pid 6440] +++ exited with 0 +++ [pid 6439] +++ exited with 0 +++ [pid 5864] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6439, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=30 /* 0.30 s */} --- [pid 5864] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5864] umount2("./41", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] openat(AT_FDCWD, "./41", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5864] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5864] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5864] umount2("./41/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] newfstatat(AT_FDCWD, "./41/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5864] unlink("./41/binderfs") = 0 [ 199.165509][ T6440] read_mapping_page failed! [ 199.170080][ T6440] ERROR: (device loop1): txCommit: [ 199.170080][ T6440] [ 199.194514][ T6443] loop0: detected capacity change from 0 to 32768 [pid 5864] umount2("./41/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6443] <... mount resumed>) = 0 [pid 6443] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6443] chdir("./bus") = 0 [pid 6443] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6443] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6441] <... futex resumed>) = 0 [pid 6443] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6441] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6443] <... futex resumed>) = 0 [pid 6441] <... futex resumed>) = 1 [pid 6443] chdir("./file0") = 0 [pid 6441] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6443] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6441] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 199.254856][ T6443] [ 199.254856][ T6443] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 199.254856][ T6443] [ 199.268895][ T5864] [ 199.268895][ T5864] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 199.268895][ T5864] [pid 6443] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6441] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6443] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6441] <... futex resumed>) = 0 [pid 6443] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6441] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6444] <... write resumed>) = 16777216 [pid 6444] munmap(0x7f46d1a00000, 138412032 [pid 6443] <... open resumed>) = -1 EIO (Input/output error) [pid 6443] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6441] <... futex resumed>) = 0 [pid 6443] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [ 199.314331][ T6443] read_mapping_page failed! [ 199.318886][ T6443] ERROR: (device loop0): txCommit: [ 199.318886][ T6443] [ 199.333408][ T5864] [ 199.333408][ T5864] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 199.333408][ T5864] [pid 6441] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6443] <... futex resumed>) = 0 [pid 6441] <... futex resumed>) = 1 [pid 6443] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x1) [pid 6441] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5864] <... umount2 resumed>) = 0 [pid 6444] <... munmap resumed>) = 0 [pid 5864] umount2("./41/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6444] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5864] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5864] newfstatat(AT_FDCWD, "./41/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5864] umount2("./41/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] openat(AT_FDCWD, "./41/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 6443] <... mknod resumed>) = -1 EIO (Input/output error) [pid 5864] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6443] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] getdents64(4, [pid 6443] <... futex resumed>) = 1 [pid 6441] <... futex resumed>) = 0 [pid 5864] <... getdents64 resumed>0x555566df1770 /* 2 entries */, 32768) = 48 [pid 6444] <... openat resumed>) = 4 [pid 6443] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6441] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] getdents64(4, [pid 6444] ioctl(4, LOOP_SET_FD, 3 [pid 6441] <... futex resumed>) = 0 [pid 5864] <... getdents64 resumed>0x555566df1770 /* 0 entries */, 32768) = 0 [pid 6441] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5864] close(4) = 0 [pid 5864] rmdir("./41/bus" [pid 6444] <... ioctl resumed>) = 0 [pid 5864] <... rmdir resumed>) = 0 [pid 5864] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5864] close(3) = 0 [pid 5864] rmdir("./41") = 0 [ 199.367572][ T6443] read_mapping_page failed! [ 199.378414][ T6443] ERROR: (device loop0): txCommit: [ 199.378414][ T6443] [ 199.401090][ T6444] loop4: detected capacity change from 0 to 32768 [ 199.403289][ T6443] read_mapping_page failed! [pid 5864] mkdir("./42", 0777 [pid 6444] close(3 [pid 5864] <... mkdir resumed>) = 0 [pid 6444] <... close resumed>) = 0 [pid 6444] close(4) = 0 [pid 6444] mkdir("./bus", 0777 [pid 5864] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5864] ioctl(3, LOOP_CLR_FD) = 0 [pid 5864] close(3 [pid 6444] <... mkdir resumed>) = 0 [pid 6444] mount("/dev/loop4", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6443] <... openat resumed>) = -1 EIO (Input/output error) [pid 6441] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6443] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6443] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6447] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6441] exit_group(0 [pid 6443] <... futex resumed>) = ? [pid 6441] <... exit_group resumed>) = ? [pid 6443] +++ exited with 0 +++ [pid 6441] +++ exited with 0 +++ [pid 5863] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6441, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=22 /* 0.22 s */} --- [ 199.431729][ T6443] ERROR: (device loop0): txCommit: [ 199.431729][ T6443] [pid 5863] restart_syscall(<... resuming interrupted clone ...> [pid 5866] <... close resumed>) = 0 [pid 5863] <... restart_syscall resumed>) = 0 [pid 5863] umount2("./42", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] openat(AT_FDCWD, "./42", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5863] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5863] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5863] umount2("./42/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] newfstatat(AT_FDCWD, "./42/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5863] unlink("./42/binderfs") = 0 [pid 5863] umount2("./42/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6448 attached [pid 6448] set_robust_list(0x555566de86a0, 24) = 0 [pid 6448] chdir("./43" [pid 5866] <... clone resumed>, child_tidptr=0x555566de8690) = 6448 [pid 6444] <... mount resumed>) = 0 [pid 6448] <... chdir resumed>) = 0 [pid 6444] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6448] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6444] <... openat resumed>) = 3 [pid 6448] setpgid(0, 0 [pid 6444] chdir("./bus" [pid 6448] <... setpgid resumed>) = 0 [pid 6444] <... chdir resumed>) = 0 [pid 6448] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6448] write(3, "1000", 4) = 4 [pid 6444] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6448] close(3) = 0 [pid 6444] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6448] symlink("/dev/binderfs", "./binderfs" [pid 6444] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 6448] <... symlink resumed>) = 0 [pid 6444] <... futex resumed>) = 1 [pid 6442] <... futex resumed>) = 0 [pid 6448] write(1, "executing program\n", 18 [pid 6444] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6442] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6448] <... write resumed>) = 18 [pid 6444] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6442] <... futex resumed>) = 0 [pid 6448] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6444] chdir("./file0" [pid 6442] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6448] <... futex resumed>) = 0 [pid 6448] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6444] <... chdir resumed>) = 0 [pid 6448] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6448] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6444] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6448] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE [pid 6444] <... futex resumed>) = 1 [pid 6442] <... futex resumed>) = 0 [pid 6448] <... mprotect resumed>) = 0 [pid 6444] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6442] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6448] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6442] <... futex resumed>) = 0 [ 199.494074][ T6444] [ 199.494074][ T6444] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 199.494074][ T6444] [ 199.515558][ T5863] [ 199.515558][ T5863] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 199.515558][ T5863] [pid 6448] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6442] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6448] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0}./strace-static-x86_64: Process 6449 attached [pid 6449] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053) = 0 [pid 6449] set_robust_list(0x7f46d9f419a0, 24) = 0 [pid 6449] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6449] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6448] <... clone3 resumed> => {parent_tid=[6449]}, 88) = 6449 [pid 6448] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6448] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6442] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6448] <... futex resumed>) = 1 [pid 6444] <... open resumed>) = -1 EIO (Input/output error) [pid 6448] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6442] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6444] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6442] <... futex resumed>) = 0 [pid 6444] <... futex resumed>) = 0 [pid 6442] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6449] <... futex resumed>) = 0 [pid 6442] <... mmap resumed>) = 0x7f46d9f00000 [pid 6449] memfd_create("syzkaller", 0 [pid 6442] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE [pid 6449] <... memfd_create resumed>) = 3 [pid 6449] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 6442] <... mprotect resumed>) = 0 [pid 6444] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6442] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6442] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0} => {parent_tid=[6450]}, 88) = 6450 [pid 5863] <... umount2 resumed>) = 0 ./strace-static-x86_64: Process 6450 attached [pid 6442] rt_sigprocmask(SIG_SETMASK, [], [pid 5863] umount2("./42/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6442] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6450] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053) = 0 [pid 6442] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] newfstatat(AT_FDCWD, "./42/bus", [pid 6450] set_robust_list(0x7f46d9f209a0, 24 [pid 6442] <... futex resumed>) = 0 [pid 6450] <... set_robust_list resumed>) = 0 [pid 6442] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5863] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6450] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [ 199.566093][ T6444] read_mapping_page failed! [ 199.570772][ T5863] [ 199.570772][ T5863] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 199.570772][ T5863] [ 199.593661][ T6444] ERROR: (device loop4): txCommit: [ 199.593661][ T6444] [pid 6450] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x9) [pid 5863] umount2("./42/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] openat(AT_FDCWD, "./42/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5863] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5863] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5863] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5863] close(4) = 0 [pid 5863] rmdir("./42/bus") = 0 [pid 5863] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5863] close(3) = 0 [pid 5863] rmdir("./42") = 0 [pid 5863] mkdir("./43", 0777 [pid 6450] <... mknod resumed>) = -1 EIO (Input/output error) [pid 5863] <... mkdir resumed>) = 0 [pid 6450] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6442] <... futex resumed>) = 0 [pid 5863] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6450] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6442] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6444] <... futex resumed>) = 0 [pid 6442] <... futex resumed>) = 1 [pid 5863] <... openat resumed>) = 3 [pid 6444] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6442] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5863] ioctl(3, LOOP_CLR_FD) = 0 [pid 5863] close(3 [pid 6444] <... openat resumed>) = -1 EIO (Input/output error) [pid 6444] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6442] <... futex resumed>) = 0 [pid 6442] exit_group(0 [pid 6444] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL) = ? [pid 6442] <... exit_group resumed>) = ? [pid 6450] <... futex resumed>) = ? [pid 6444] +++ exited with 0 +++ [pid 6450] +++ exited with 0 +++ [pid 6442] +++ exited with 0 +++ [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6442, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=25 /* 0.25 s */} --- [ 199.646727][ T6450] read_mapping_page failed! [ 199.651345][ T6450] ERROR: (device loop4): txCommit: [ 199.651345][ T6450] [ 199.673188][ T6444] read_mapping_page failed! [ 199.683273][ T6444] ERROR: (device loop4): txCommit: [ 199.683273][ T6444] [pid 5867] umount2("./42", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./42", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5867] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5867] umount2("./42/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./42/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] unlink("./42/binderfs") = 0 [pid 5867] umount2("./42/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5864] <... close resumed>) = 0 [pid 5864] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555566de8690) = 6451 ./strace-static-x86_64: Process 6451 attached [pid 5867] <... umount2 resumed>) = 0 [pid 5867] umount2("./42/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./42/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] umount2("./42/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./42/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5867] newfstatat(4, "", [pid 6451] set_robust_list(0x555566de86a0, 24 [pid 5867] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(4, [pid 6451] <... set_robust_list resumed>) = 0 [pid 6451] chdir("./42" [pid 5867] <... getdents64 resumed>0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5867] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 6451] <... chdir resumed>) = 0 [pid 5867] close(4) = 0 [pid 6451] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5867] rmdir("./42/bus" [pid 6451] setpgid(0, 0 [pid 5867] <... rmdir resumed>) = 0 [pid 6451] <... setpgid resumed>) = 0 [ 199.749282][ T5867] [ 199.749282][ T5867] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 199.749282][ T5867] [ 199.781871][ T5867] [ 199.781871][ T5867] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 199.781871][ T5867] executing program [pid 6451] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5867] getdents64(3, [pid 6451] <... openat resumed>) = 3 [pid 5867] <... getdents64 resumed>0x555566de9730 /* 0 entries */, 32768) = 0 [pid 6451] write(3, "1000", 4 [pid 5867] close(3 [pid 6451] <... write resumed>) = 4 [pid 5867] <... close resumed>) = 0 [pid 6451] close(3 [pid 5867] rmdir("./42" [pid 6451] <... close resumed>) = 0 [pid 5867] <... rmdir resumed>) = 0 [pid 6451] symlink("/dev/binderfs", "./binderfs" [pid 5867] mkdir("./43", 0777 [pid 6451] <... symlink resumed>) = 0 [pid 5867] <... mkdir resumed>) = 0 [pid 6451] write(1, "executing program\n", 18 [pid 5867] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6451] <... write resumed>) = 18 [pid 5867] <... openat resumed>) = 3 [pid 6451] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] ioctl(3, LOOP_CLR_FD [pid 6451] <... futex resumed>) = 0 [pid 5867] <... ioctl resumed>) = 0 [pid 6451] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, [pid 5867] close(3 [pid 6451] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6451] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6451] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6451] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6451] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6451] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0}./strace-static-x86_64: Process 6452 attached => {parent_tid=[6452]}, 88) = 6452 [pid 6451] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6451] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6451] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6452] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053) = 0 [pid 6452] set_robust_list(0x7f46d9f419a0, 24) = 0 [pid 6452] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6452] memfd_create("syzkaller", 0) = 3 [pid 6452] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 6447] <... write resumed>) = 16777216 [pid 5863] <... close resumed>) = 0 [pid 6447] munmap(0x7f46d1a00000, 138412032 [pid 5863] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6453 attached [pid 6453] set_robust_list(0x555566de86a0, 24 [pid 6449] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5863] <... clone resumed>, child_tidptr=0x555566de8690) = 6453 [pid 6453] <... set_robust_list resumed>) = 0 [pid 6453] chdir("./43") = 0 [pid 6453] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6447] <... munmap resumed>) = 0 [pid 6453] <... prctl resumed>) = 0 [pid 6453] setpgid(0, 0 [pid 6447] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6453] <... setpgid resumed>) = 0 [pid 6447] <... openat resumed>) = 4 [pid 6453] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6447] ioctl(4, LOOP_SET_FD, 3 [pid 6453] <... openat resumed>) = 3 [pid 6453] write(3, "1000", 4) = 4 [pid 6453] close(3) = 0 [pid 6447] <... ioctl resumed>) = 0 [pid 6453] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6447] close(3) = 0 [pid 6447] close(4) = 0 [pid 6447] mkdir("./bus", 0777 [pid 6453] write(1, "executing program\n", 18 [pid 6447] <... mkdir resumed>) = 0 executing program [pid 6453] <... write resumed>) = 18 [pid 6447] mount("/dev/loop2", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6453] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6453] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6453] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6453] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6453] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6453] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [ 200.026757][ T6447] loop2: detected capacity change from 0 to 32768 [pid 6453] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0}./strace-static-x86_64: Process 6454 attached [pid 6454] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053) = 0 [pid 6453] <... clone3 resumed> => {parent_tid=[6454]}, 88) = 6454 [pid 6454] set_robust_list(0x7f46d9f419a0, 24) = 0 [pid 6453] rt_sigprocmask(SIG_SETMASK, [], [pid 6454] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6453] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6454] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6453] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6454] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6453] <... futex resumed>) = 0 [pid 6453] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6454] memfd_create("syzkaller", 0) = 3 [pid 6454] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 5867] <... close resumed>) = 0 [pid 6447] <... mount resumed>) = 0 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6447] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6447] chdir("./bus") = 0 [pid 6447] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6447] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6447] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6446] <... futex resumed>) = 0 [pid 6446] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6447] <... futex resumed>) = 0 [pid 6446] <... futex resumed>) = 1 [pid 6447] chdir("./file0" [pid 6446] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6455 attached [pid 6455] set_robust_list(0x555566de86a0, 24 [pid 5867] <... clone resumed>, child_tidptr=0x555566de8690) = 6455 [pid 6455] <... set_robust_list resumed>) = 0 [pid 6447] <... chdir resumed>) = 0 [pid 6455] chdir("./43" [pid 6447] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6455] <... chdir resumed>) = 0 [pid 6447] <... futex resumed>) = 1 [pid 6446] <... futex resumed>) = 0 [pid 6455] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6447] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6446] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6455] <... prctl resumed>) = 0 [pid 6447] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6446] <... futex resumed>) = 0 [pid 6455] setpgid(0, 0 [pid 6447] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [ 200.073678][ T6447] [ 200.073678][ T6447] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 200.073678][ T6447] [pid 6446] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6455] <... setpgid resumed>) = 0 [pid 6455] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6455] write(3, "1000", 4) = 4 [pid 6455] close(3) = 0 [pid 6455] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6455] write(1, "executing program\n", 18executing program ) = 18 [pid 6447] <... open resumed>) = -1 EIO (Input/output error) [pid 6455] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6447] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6446] <... futex resumed>) = 0 [pid 6447] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x5) [ 200.132254][ T6447] read_mapping_page failed! [ 200.143267][ T6447] ERROR: (device loop2): txCommit: [ 200.143267][ T6447] [pid 6446] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6455] <... futex resumed>) = 0 [pid 6446] <... futex resumed>) = 0 [pid 6455] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6455] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6446] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6455] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6455] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6455] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6455] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6447] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6455] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6455] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} [pid 6447] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6446] <... futex resumed>) = 0 [pid 6446] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6446] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6447] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777./strace-static-x86_64: Process 6456 attached [pid 6456] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053) = 0 [pid 6456] set_robust_list(0x7f46d9f419a0, 24) = 0 [pid 6456] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6456] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6455] <... clone3 resumed> => {parent_tid=[6456]}, 88) = 6456 [pid 6455] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6455] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6456] <... futex resumed>) = 0 [pid 6455] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6456] memfd_create("syzkaller", 0) = 3 [pid 6456] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [ 200.176234][ T6447] read_mapping_page failed! [ 200.180786][ T6447] ERROR: (device loop2): txCommit: [ 200.180786][ T6447] [pid 6452] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6446] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6447] <... openat resumed>) = -1 EIO (Input/output error) [pid 6447] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 200.233606][ T6447] read_mapping_page failed! [ 200.253082][ T6447] ERROR: (device loop2): txCommit: [ 200.253082][ T6447] [pid 6446] exit_group(0) = ? [pid 6447] +++ exited with 0 +++ [pid 6446] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6446, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=24 /* 0.24 s */} --- [pid 5865] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5865] umount2("./43", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./43", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5865] umount2("./43/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./43/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./43/binderfs") = 0 [pid 5865] umount2("./43/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6449] <... write resumed>) = 16777216 [pid 5865] <... umount2 resumed>) = 0 [pid 6449] munmap(0x7f46d1a00000, 138412032 [pid 5865] umount2("./43/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./43/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] umount2("./43/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./43/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5865] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5865] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5865] close(4) = 0 [pid 5865] rmdir("./43/bus") = 0 [ 200.334676][ T5865] [ 200.334676][ T5865] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 200.334676][ T5865] [ 200.357705][ T5865] [ 200.357705][ T5865] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 200.357705][ T5865] [pid 5865] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./43") = 0 [pid 5865] mkdir("./44", 0777) = 0 [pid 5865] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5865] ioctl(3, LOOP_CLR_FD) = 0 [pid 5865] close(3) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6457 attached , child_tidptr=0x555566de8690) = 6457 [pid 6457] set_robust_list(0x555566de86a0, 24) = 0 [pid 6457] chdir("./44" [pid 6449] <... munmap resumed>) = 0 [pid 6457] <... chdir resumed>) = 0 [pid 6457] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6457] setpgid(0, 0) = 0 [pid 6457] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6457] write(3, "1000", 4) = 4 [pid 6457] close(3) = 0 [pid 6457] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6457] write(1, "executing program\n", 18 [pid 6449] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6457] <... write resumed>) = 18 [pid 6449] <... openat resumed>) = 4 [pid 6457] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6449] ioctl(4, LOOP_SET_FD, 3 [pid 6457] <... futex resumed>) = 0 [pid 6457] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6457] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6457] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6457] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6457] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6457] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} => {parent_tid=[6458]}, 88) = 6458 [pid 6457] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6457] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6457] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6454] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216./strace-static-x86_64: Process 6458 attached [pid 6449] <... ioctl resumed>) = 0 [pid 6458] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053) = 0 [pid 6458] set_robust_list(0x7f46d9f419a0, 24) = 0 [pid 6458] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6458] memfd_create("syzkaller", 0) = 3 [pid 6458] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 6449] close(3) = 0 [ 200.446839][ T6449] loop3: detected capacity change from 0 to 32768 [pid 6449] close(4) = 0 [pid 6449] mkdir("./bus", 0777) = 0 [pid 6449] mount("/dev/loop3", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic,") = 0 [pid 6449] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6449] chdir("./bus") = 0 [pid 6449] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6449] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6449] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6448] <... futex resumed>) = 0 [ 200.553870][ T6449] [ 200.553870][ T6449] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 200.553870][ T6449] [pid 6448] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6449] <... futex resumed>) = 0 [pid 6448] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6449] chdir("./file0") = 0 [pid 6449] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6449] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6448] <... futex resumed>) = 0 [pid 6448] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6449] <... futex resumed>) = 0 [pid 6448] <... futex resumed>) = 1 [pid 6449] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6448] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6456] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6449] <... open resumed>) = -1 EIO (Input/output error) [pid 6449] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 200.619134][ T6449] read_mapping_page failed! [ 200.623790][ T6449] ERROR: (device loop3): txCommit: [ 200.623790][ T6449] [pid 6449] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6448] <... futex resumed>) = 0 [pid 6448] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6449] <... futex resumed>) = 0 [pid 6448] <... futex resumed>) = 1 [pid 6449] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x7) [ 200.664452][ T6449] read_mapping_page failed! [ 200.669012][ T6449] ERROR: (device loop3): txCommit: [ 200.669012][ T6449] [pid 6448] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6449] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6449] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6448] <... futex resumed>) = 0 [pid 6449] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6448] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6448] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6452] <... write resumed>) = 16777216 [pid 6452] munmap(0x7f46d1a00000, 138412032 [pid 6449] <... openat resumed>) = -1 EIO (Input/output error) [ 200.725965][ T6449] read_mapping_page failed! [ 200.730528][ T6449] ERROR: (device loop3): txCommit: [ 200.730528][ T6449] [pid 6449] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6452] <... munmap resumed>) = 0 [pid 6448] <... futex resumed>) = 0 [pid 6449] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6448] exit_group(0 [pid 6449] <... futex resumed>) = ? [pid 6448] <... exit_group resumed>) = ? [pid 6449] +++ exited with 0 +++ [pid 6448] +++ exited with 0 +++ [pid 6452] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6448, si_uid=0, si_status=0, si_utime=10 /* 0.10 s */, si_stime=23 /* 0.23 s */} --- [pid 5866] restart_syscall(<... resuming interrupted clone ...> [pid 6452] <... openat resumed>) = 4 [pid 6452] ioctl(4, LOOP_SET_FD, 3 [pid 5866] <... restart_syscall resumed>) = 0 [pid 6452] <... ioctl resumed>) = 0 [pid 5866] umount2("./43", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] openat(AT_FDCWD, "./43", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5866] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5866] umount2("./43/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6452] close(3 [pid 5866] newfstatat(AT_FDCWD, "./43/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] unlink("./43/binderfs") = 0 [pid 5866] umount2("./43/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6452] <... close resumed>) = 0 [pid 6452] close(4) = 0 [ 200.805566][ T6452] loop1: detected capacity change from 0 to 32768 [pid 6452] mkdir("./bus", 0777) = 0 [pid 6452] mount("/dev/loop1", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6454] <... write resumed>) = 16777216 [pid 6454] munmap(0x7f46d1a00000, 138412032 [pid 5866] <... umount2 resumed>) = 0 [pid 5866] umount2("./43/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./43/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] umount2("./43/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] openat(AT_FDCWD, "./43/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [ 200.846558][ T5866] [ 200.846558][ T5866] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 200.846558][ T5866] [ 200.875391][ T5866] [ 200.875391][ T5866] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 200.875391][ T5866] [ 200.880832][ T6452] [ 200.880832][ T6452] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 200.880832][ T6452] [pid 5866] newfstatat(4, "", [pid 6454] <... munmap resumed>) = 0 [pid 6458] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6452] <... mount resumed>) = 0 [pid 5866] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6452] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6454] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6452] <... openat resumed>) = 3 [pid 5866] getdents64(4, [pid 6454] <... openat resumed>) = 4 [pid 6452] chdir("./bus") = 0 [pid 5866] <... getdents64 resumed>0x555566df1770 /* 2 entries */, 32768) = 48 [pid 6452] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6454] ioctl(4, LOOP_SET_FD, 3 [pid 6452] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5866] getdents64(4, [pid 6454] <... ioctl resumed>) = 0 [pid 6452] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] <... getdents64 resumed>0x555566df1770 /* 0 entries */, 32768) = 0 [pid 6452] <... futex resumed>) = 1 [pid 5866] close(4 [pid 6452] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6451] <... futex resumed>) = 0 [pid 5866] <... close resumed>) = 0 [pid 6454] close(3) = 0 [pid 6454] close(4 [pid 6451] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6454] <... close resumed>) = 0 [pid 6454] mkdir("./bus", 0777) = 0 [pid 6454] mount("/dev/loop0", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6452] <... futex resumed>) = 0 [pid 6451] <... futex resumed>) = 1 [pid 6452] chdir("./file0" [pid 6451] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] rmdir("./43/bus" [pid 6452] <... chdir resumed>) = 0 [pid 5866] <... rmdir resumed>) = 0 [pid 6452] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6451] <... futex resumed>) = 0 [pid 6452] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6451] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6452] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6451] <... futex resumed>) = 0 [pid 5866] getdents64(3, [pid 6452] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6451] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] <... getdents64 resumed>0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5866] close(3) = 0 [ 200.955119][ T6454] loop0: detected capacity change from 0 to 32768 [ 200.986798][ T6452] read_mapping_page failed! [ 200.988185][ T6454] [ 200.988185][ T6454] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 200.988185][ T6454] [pid 5866] rmdir("./43") = 0 [pid 5866] mkdir("./44", 0777) = 0 [pid 5866] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6451] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5866] <... openat resumed>) = 3 [pid 6451] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] ioctl(3, LOOP_CLR_FD) = 0 [pid 6451] <... futex resumed>) = 0 [ 200.993129][ T6452] ERROR: (device loop1): txCommit: [ 200.993129][ T6452] [pid 6451] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5866] close(3 [pid 6454] <... mount resumed>) = 0 [pid 6451] <... mmap resumed>) = 0x7f46d9f00000 [pid 6454] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6451] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE [pid 6454] <... openat resumed>) = 3 [pid 6454] chdir("./bus") = 0 [pid 6454] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6454] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6453] <... futex resumed>) = 0 [pid 6454] chdir("./file0" [pid 6453] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6453] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6451] <... mprotect resumed>) = 0 [pid 6454] <... chdir resumed>) = 0 [pid 6451] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6454] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6453] <... futex resumed>) = 0 [pid 6453] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6454] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6453] <... futex resumed>) = 0 [pid 6453] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6451] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6451] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0}./strace-static-x86_64: Process 6459 attached => {parent_tid=[6459]}, 88) = 6459 [pid 6451] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6451] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6459] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053 [pid 6452] <... open resumed>) = -1 EIO (Input/output error) [pid 6451] <... futex resumed>) = 0 [pid 6459] <... rseq resumed>) = 0 [pid 6452] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6451] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6459] set_robust_list(0x7f46d9f209a0, 24 [pid 6452] <... futex resumed>) = 0 [pid 6459] <... set_robust_list resumed>) = 0 [pid 6452] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6459] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [ 201.052793][ T6454] read_mapping_page failed! [pid 6459] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x3) [pid 6453] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6453] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6453] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f00000 [pid 6453] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6453] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6453] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0} => {parent_tid=[6460]}, 88) = 6460 [pid 6453] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6453] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6453] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6460 attached [pid 6460] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053) = 0 [pid 6460] set_robust_list(0x7f46d9f209a0, 24) = 0 [pid 6460] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6460] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x1) [pid 6456] <... write resumed>) = 16777216 [pid 6451] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6459] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6456] munmap(0x7f46d1a00000, 138412032 [pid 6451] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6452] <... futex resumed>) = 0 [pid 6451] <... futex resumed>) = 1 [ 201.083990][ T6459] read_mapping_page failed! [ 201.088647][ T6459] ERROR: (device loop1): txCommit: [ 201.088647][ T6459] [ 201.093025][ T6454] ERROR: (device loop0): txCommit: [ 201.093025][ T6454] [pid 6451] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6459] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6454] <... open resumed>) = -1 EIO (Input/output error) [pid 6452] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6454] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6454] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6459] <... futex resumed>) = 0 [pid 6459] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6453] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6453] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 6453] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6454] <... futex resumed>) = 0 [pid 6453] <... futex resumed>) = 1 [pid 6454] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6453] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6456] <... munmap resumed>) = 0 [pid 6460] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6460] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6460] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6451] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 201.135836][ T6460] read_mapping_page failed! [ 201.140411][ T6460] ERROR: (device loop0): txCommit: [ 201.140411][ T6460] [ 201.149491][ T6452] read_mapping_page failed! [ 201.170116][ T6452] ERROR: (device loop1): txCommit: [ 201.170116][ T6452] [ 201.179990][ T6454] read_mapping_page failed! [pid 6456] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 6456] ioctl(4, LOOP_SET_FD, 3 [pid 6452] <... openat resumed>) = -1 EIO (Input/output error) [pid 6452] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6454] <... openat resumed>) = -1 EIO (Input/output error) [pid 6453] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6452] <... futex resumed>) = 0 [pid 6451] exit_group(0 [pid 6459] <... futex resumed>) = ? [pid 6451] <... exit_group resumed>) = ? [pid 6459] +++ exited with 0 +++ [pid 6454] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6454] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6453] exit_group(0 [pid 6460] <... futex resumed>) = ? [pid 6454] <... futex resumed>) = ? [pid 6453] <... exit_group resumed>) = ? [pid 6460] +++ exited with 0 +++ [pid 6454] +++ exited with 0 +++ [pid 6453] +++ exited with 0 +++ [pid 6452] +++ exited with 0 +++ [pid 6451] +++ exited with 0 +++ [pid 5864] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6451, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=27 /* 0.27 s */} --- [pid 5863] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6453, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=35 /* 0.35 s */} --- [pid 5864] restart_syscall(<... resuming interrupted clone ...> [pid 5863] restart_syscall(<... resuming interrupted clone ...> [pid 6456] <... ioctl resumed>) = 0 [pid 6456] close(3) = 0 [pid 5863] <... restart_syscall resumed>) = 0 [pid 5863] umount2("./43", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] openat(AT_FDCWD, "./43", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5863] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5863] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5863] umount2("./43/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] newfstatat(AT_FDCWD, "./43/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5863] unlink("./43/binderfs" [pid 6456] close(4 [pid 5863] <... unlink resumed>) = 0 [ 201.187191][ T6454] ERROR: (device loop0): txCommit: [ 201.187191][ T6454] [ 201.198040][ T6456] loop4: detected capacity change from 0 to 32768 [pid 5863] umount2("./43/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6456] <... close resumed>) = 0 [pid 5864] <... restart_syscall resumed>) = 0 [pid 6456] mkdir("./bus", 0777) = 0 [pid 6456] mount("/dev/loop4", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 5864] umount2("./42", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] openat(AT_FDCWD, "./42", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5864] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5864] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5864] umount2("./42/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] newfstatat(AT_FDCWD, "./42/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5864] unlink("./42/binderfs") = 0 [ 201.231991][ T5863] [ 201.231991][ T5863] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 201.231991][ T5863] [ 201.256041][ T5863] [ 201.256041][ T5863] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 201.256041][ T5863] [ 201.267287][ T6456] [ 201.267287][ T6456] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 201.267287][ T6456] [pid 5864] umount2("./42/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5863] <... umount2 resumed>) = 0 [pid 5863] umount2("./43/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] newfstatat(AT_FDCWD, "./43/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5863] umount2("./43/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] openat(AT_FDCWD, "./43/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5863] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5863] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5863] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5863] close(4) = 0 [pid 5863] rmdir("./43/bus") = 0 [pid 5863] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5863] close(3) = 0 [pid 5863] rmdir("./43") = 0 [pid 5863] mkdir("./44", 0777) = 0 [pid 5863] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5863] ioctl(3, LOOP_CLR_FD) = 0 [pid 5863] close(3 [pid 6456] <... mount resumed>) = 0 [pid 6456] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6456] chdir("./bus") = 0 [pid 6456] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6456] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6455] <... futex resumed>) = 0 [pid 6455] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6456] chdir("./file0" [pid 6455] <... futex resumed>) = 0 [pid 6455] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6456] <... chdir resumed>) = 0 [pid 6456] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] <... umount2 resumed>) = 0 [pid 6456] <... futex resumed>) = 1 [pid 5864] umount2("./42/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6456] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5864] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6455] <... futex resumed>) = 0 [ 201.298804][ T5864] [ 201.298804][ T5864] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 201.298804][ T5864] [ 201.315573][ T5864] [ 201.315573][ T5864] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 201.315573][ T5864] [pid 5864] newfstatat(AT_FDCWD, "./42/bus", [pid 6455] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6456] <... futex resumed>) = 0 [pid 6455] <... futex resumed>) = 1 [pid 5864] umount2("./42/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6455] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6456] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 5866] <... close resumed>) = 0 [pid 5864] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5864] openat(AT_FDCWD, "./42/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5864] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 ./strace-static-x86_64: Process 6461 attached [pid 5864] getdents64(4, [pid 6456] <... open resumed>) = -1 EIO (Input/output error) [pid 6461] set_robust_list(0x555566de86a0, 24 [pid 6456] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] <... clone resumed>, child_tidptr=0x555566de8690) = 6461 [pid 5864] <... getdents64 resumed>0x555566df1770 /* 2 entries */, 32768) = 48 [pid 6456] <... futex resumed>) = 1 [pid 5864] getdents64(4, [pid 6461] <... set_robust_list resumed>) = 0 [pid 6456] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6455] <... futex resumed>) = 0 [pid 5864] <... getdents64 resumed>0x555566df1770 /* 0 entries */, 32768) = 0 [pid 6456] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6455] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6461] chdir("./44" [pid 6456] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x9) [pid 6455] <... futex resumed>) = 0 [pid 5864] close(4 [pid 6455] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6461] <... chdir resumed>) = 0 [pid 6456] <... mknod resumed>) = -1 EIO (Input/output error) [pid 5864] <... close resumed>) = 0 [pid 6461] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6456] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] rmdir("./42/bus" [pid 6461] setpgid(0, 0 [pid 6456] <... futex resumed>) = 1 [pid 6455] <... futex resumed>) = 0 [pid 6455] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6461] <... setpgid resumed>) = 0 [pid 6456] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6455] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5864] <... rmdir resumed>) = 0 [ 201.394424][ T6456] read_mapping_page failed! [ 201.399222][ T6456] ERROR: (device loop4): txCommit: [ 201.399222][ T6456] [ 201.426360][ T6456] read_mapping_page failed! [ 201.431138][ T6456] ERROR: (device loop4): txCommit: [ 201.431138][ T6456] [pid 6461] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6458] <... write resumed>) = 16777216 [pid 5864] getdents64(3, [pid 6461] write(3, "1000", 4 [pid 6458] munmap(0x7f46d1a00000, 138412032 [pid 6461] <... write resumed>) = 4 [pid 5864] <... getdents64 resumed>0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5864] close(3 [pid 6461] close(3) = 0 [pid 5864] <... close resumed>) = 0 [pid 6461] symlink("/dev/binderfs", "./binderfs" [pid 5864] rmdir("./42" [pid 6456] <... openat resumed>) = -1 EIO (Input/output error) [pid 6461] <... symlink resumed>) = 0 [pid 5864] <... rmdir resumed>) = 0 [pid 6461] write(1, "executing program\n", 18 executing program [pid 5864] mkdir("./43", 0777 [pid 6461] <... write resumed>) = 18 [pid 6456] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6461] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] <... mkdir resumed>) = 0 [pid 6461] <... futex resumed>) = 0 [pid 6456] <... futex resumed>) = 1 [pid 6455] <... futex resumed>) = 0 [pid 6461] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, [pid 6456] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6455] exit_group(0 [pid 5864] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6461] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6458] <... munmap resumed>) = 0 [pid 6456] <... futex resumed>) = ? [pid 6455] <... exit_group resumed>) = ? [pid 6461] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6458] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6456] +++ exited with 0 +++ [pid 6455] +++ exited with 0 +++ [pid 5864] <... openat resumed>) = 3 [pid 6461] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6458] <... openat resumed>) = 4 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6455, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=23 /* 0.23 s */} --- [pid 6461] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6458] ioctl(4, LOOP_SET_FD, 3 [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 5864] ioctl(3, LOOP_CLR_FD [pid 6461] <... mmap resumed>) = 0x7f46d9f21000 [pid 5867] <... restart_syscall resumed>) = 0 [pid 5867] umount2("./43", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./43", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5867] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5867] umount2("./43/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./43/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] unlink("./43/binderfs") = 0 [ 201.446383][ T6456] read_mapping_page failed! [ 201.450996][ T6456] ERROR: (device loop4): txCommit: [ 201.450996][ T6456] [ 201.484628][ T6458] loop2: detected capacity change from 0 to 32768 [ 201.492838][ T5867] [pid 5867] umount2("./43/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6461] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE [pid 6458] <... ioctl resumed>) = 0 [pid 5864] <... ioctl resumed>) = 0 [pid 6461] <... mprotect resumed>) = 0 [pid 6458] close(3 [pid 5864] close(3 [pid 6458] <... close resumed>) = 0 [pid 6461] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6458] close(4 [pid 6461] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6458] <... close resumed>) = 0 [pid 6461] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} [pid 6458] mkdir("./bus", 0777) = 0 ./strace-static-x86_64: Process 6462 attached [pid 6458] mount("/dev/loop2", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6462] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6461] <... clone3 resumed> => {parent_tid=[6462]}, 88) = 6462 [pid 6462] <... rseq resumed>) = 0 [pid 6461] rt_sigprocmask(SIG_SETMASK, [], [pid 6462] set_robust_list(0x7f46d9f419a0, 24 [pid 6461] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6462] <... set_robust_list resumed>) = 0 [pid 6462] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6462] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6461] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6462] <... futex resumed>) = 0 [pid 6461] <... futex resumed>) = 1 [pid 6462] memfd_create("syzkaller", 0 [pid 6461] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6462] <... memfd_create resumed>) = 3 [pid 6462] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [ 201.492838][ T5867] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 201.492838][ T5867] [ 201.536074][ T5867] [ 201.536074][ T5867] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 201.536074][ T5867] [pid 5867] <... umount2 resumed>) = 0 [pid 5867] umount2("./43/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./43/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] umount2("./43/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./43/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5867] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5867] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5867] close(4) = 0 [pid 5867] rmdir("./43/bus") = 0 [pid 5867] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5867] close(3) = 0 [pid 5867] rmdir("./43") = 0 [pid 5867] mkdir("./44", 0777) = 0 [pid 5867] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5867] ioctl(3, LOOP_CLR_FD) = 0 [pid 5867] close(3 [pid 5863] <... close resumed>) = 0 [pid 6458] <... mount resumed>) = 0 [pid 5863] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6458] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6458] chdir("./bus") = 0 [pid 6458] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6458] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6457] <... futex resumed>) = 0 [pid 6458] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6457] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6458] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6457] <... futex resumed>) = 0 [pid 6458] chdir("./file0" [pid 6457] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6458] <... chdir resumed>) = 0 [ 201.603152][ T6458] [ 201.603152][ T6458] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 201.603152][ T6458] [pid 6458] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6463 attached ) = 1 [pid 6457] <... futex resumed>) = 0 [pid 6458] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6457] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] <... clone resumed>, child_tidptr=0x555566de8690) = 6463 [pid 6457] <... futex resumed>) = 0 [pid 6457] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6463] set_robust_list(0x555566de86a0, 24) = 0 [pid 6463] chdir("./44") = 0 [pid 6463] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6458] <... open resumed>) = -1 EIO (Input/output error) [pid 6458] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6463] <... prctl resumed>) = 0 [pid 6458] <... futex resumed>) = 1 [pid 6457] <... futex resumed>) = 0 [pid 6463] setpgid(0, 0 [pid 6458] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x5) [pid 6457] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6463] <... setpgid resumed>) = 0 [pid 6457] <... futex resumed>) = 0 [ 201.682048][ T6458] read_mapping_page failed! [ 201.693914][ T6458] ERROR: (device loop2): txCommit: [ 201.693914][ T6458] [pid 6463] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6457] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6463] <... openat resumed>) = 3 [pid 6463] write(3, "1000", 4) = 4 [pid 6463] close(3 [pid 6458] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6458] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6463] <... close resumed>) = 0 [pid 6458] <... futex resumed>) = 1 [pid 6457] <... futex resumed>) = 0 [pid 6463] symlink("/dev/binderfs", "./binderfs" [pid 6458] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6457] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6457] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6463] <... symlink resumed>) = 0 [pid 6458] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6463] write(1, "executing program\n", 18 [ 201.734853][ T6458] read_mapping_page failed! [ 201.739424][ T6458] ERROR: (device loop2): txCommit: [ 201.739424][ T6458] [pid 6458] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777executing program [pid 6463] <... write resumed>) = 18 [pid 6463] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] <... close resumed>) = 0 [pid 6463] <... futex resumed>) = 0 [pid 6458] <... openat resumed>) = -1 EIO (Input/output error) [pid 6463] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, [pid 6458] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6463] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6463] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6458] <... futex resumed>) = 1 [pid 6457] <... futex resumed>) = 0 [pid 6463] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6457] exit_group(0 [pid 5864] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6464 attached [pid 6463] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6457] <... exit_group resumed>) = ? [pid 5864] <... clone resumed>, child_tidptr=0x555566de8690) = 6464 [pid 6464] set_robust_list(0x555566de86a0, 24 [pid 6463] <... mmap resumed>) = 0x7f46d9f21000 [pid 6464] <... set_robust_list resumed>) = 0 [pid 6463] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6464] chdir("./43" [pid 6463] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6464] <... chdir resumed>) = 0 [pid 6464] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6463] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6463] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} [pid 6464] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 6465 attached [pid 6464] setpgid(0, 0 [pid 6463] <... clone3 resumed> => {parent_tid=[6465]}, 88) = 6465 [pid 6464] <... setpgid resumed>) = 0 [pid 6463] rt_sigprocmask(SIG_SETMASK, [], [pid 6465] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6464] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6463] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6463] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6458] +++ exited with 0 +++ [pid 6457] +++ exited with 0 +++ [pid 6463] <... futex resumed>) = 0 [pid 6464] <... openat resumed>) = 3 [pid 6463] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6457, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=30 /* 0.30 s */} --- [pid 6464] write(3, "1000", 4 [pid 5865] umount2("./44", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6464] <... write resumed>) = 4 [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6464] close(3 [pid 5865] openat(AT_FDCWD, "./44", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6465] <... rseq resumed>) = 0 [pid 6464] <... close resumed>) = 0 [pid 5865] <... openat resumed>) = 3 [pid 6465] set_robust_list(0x7f46d9f419a0, 24 [pid 6464] symlink("/dev/binderfs", "./binderfs" [pid 5865] newfstatat(3, "", [pid 6465] <... set_robust_list resumed>) = 0 [pid 5865] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6465] rt_sigprocmask(SIG_SETMASK, [], [pid 6464] <... symlink resumed>) = 0 [pid 5865] getdents64(3, [pid 6465] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5865] <... getdents64 resumed>0x555566de9730 /* 4 entries */, 32768) = 104 executing program [pid 6465] memfd_create("syzkaller", 0 [pid 6464] write(1, "executing program\n", 18 [pid 5865] umount2("./44/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6464] <... write resumed>) = 18 [ 201.796294][ T6458] read_mapping_page failed! [ 201.801114][ T6458] ERROR: (device loop2): txCommit: [ 201.801114][ T6458] [pid 6464] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./44/binderfs", [pid 6464] <... futex resumed>) = 0 [pid 5865] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6464] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, [pid 5865] unlink("./44/binderfs" [pid 6464] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5865] <... unlink resumed>) = 0 [pid 6464] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5865] umount2("./44/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6465] <... memfd_create resumed>) = 3 [pid 6464] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6462] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5867] <... close resumed>) = 0 [pid 6464] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6465] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6464] <... mmap resumed>) = 0x7f46d9f21000 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6464] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 6466 attached ) = 0 [pid 6464] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6464] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} [pid 5867] <... clone resumed>, child_tidptr=0x555566de8690) = 6466 [pid 6464] <... clone3 resumed> => {parent_tid=[6467]}, 88) = 6467 [pid 6465] <... mmap resumed>) = 0x7f46d1a00000 [pid 6464] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6464] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6464] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 6467 attached [pid 6466] set_robust_list(0x555566de86a0, 24 [pid 6467] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6466] <... set_robust_list resumed>) = 0 [pid 6467] <... rseq resumed>) = 0 [pid 6466] chdir("./44" [pid 6467] set_robust_list(0x7f46d9f419a0, 24 [pid 6466] <... chdir resumed>) = 0 [pid 6467] <... set_robust_list resumed>) = 0 [pid 6466] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6467] rt_sigprocmask(SIG_SETMASK, [], [pid 6466] <... prctl resumed>) = 0 [pid 6467] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6467] memfd_create("syzkaller", 0 [pid 6466] setpgid(0, 0 [pid 6467] <... memfd_create resumed>) = 3 [pid 6466] <... setpgid resumed>) = 0 [pid 6467] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 6466] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5865] <... umount2 resumed>) = 0 [pid 6466] <... openat resumed>) = 3 [pid 5865] umount2("./44/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6466] write(3, "1000", 4 [pid 5865] newfstatat(AT_FDCWD, "./44/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6466] <... write resumed>) = 4 [pid 5865] umount2("./44/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6466] close(3 [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6466] <... close resumed>) = 0 [pid 5865] openat(AT_FDCWD, "./44/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6466] symlink("/dev/binderfs", "./binderfs" [pid 5865] <... openat resumed>) = 4 executing program [pid 6466] <... symlink resumed>) = 0 [pid 5865] newfstatat(4, "", [pid 6466] write(1, "executing program\n", 18) = 18 [pid 5865] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6466] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5865] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5865] close(4) = 0 [pid 5865] rmdir("./44/bus") = 0 [pid 5865] getdents64(3, [pid 6466] <... futex resumed>) = 0 [pid 5865] <... getdents64 resumed>0x555566de9730 /* 0 entries */, 32768) = 0 [pid 6466] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, [pid 5865] close(3 [pid 6466] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6466] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5865] <... close resumed>) = 0 [pid 6466] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5865] rmdir("./44" [pid 6466] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5865] <... rmdir resumed>) = 0 [pid 6466] <... mmap resumed>) = 0x7f46d9f21000 [pid 5865] mkdir("./45", 0777 [pid 6466] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6466] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6466] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} [pid 5865] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 6468 attached [ 201.856795][ T5865] [ 201.856795][ T5865] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 201.856795][ T5865] [ 201.868077][ T5865] [ 201.868077][ T5865] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 201.868077][ T5865] [pid 6468] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053) = 0 [pid 6468] set_robust_list(0x7f46d9f419a0, 24) = 0 [pid 6468] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6468] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6466] <... clone3 resumed> => {parent_tid=[6468]}, 88) = 6468 [pid 5865] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6466] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6466] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] <... openat resumed>) = 3 [pid 6466] <... futex resumed>) = 1 [pid 5865] ioctl(3, LOOP_CLR_FD [pid 6466] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6468] <... futex resumed>) = 0 [pid 5865] <... ioctl resumed>) = 0 [pid 6468] memfd_create("syzkaller", 0 [pid 5865] close(3 [pid 6468] <... memfd_create resumed>) = 3 [pid 6468] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 6462] <... write resumed>) = 16777216 [pid 6468] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6467] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6465] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6462] munmap(0x7f46d1a00000, 138412032 [pid 5865] <... close resumed>) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6469 attached [pid 6469] set_robust_list(0x555566de86a0, 24 [pid 5865] <... clone resumed>, child_tidptr=0x555566de8690) = 6469 [pid 6469] <... set_robust_list resumed>) = 0 [pid 6469] chdir("./45") = 0 [pid 6469] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6469] setpgid(0, 0) = 0 [pid 6469] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6469] write(3, "1000", 4) = 4 [pid 6469] close(3) = 0 [pid 6469] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6469] write(1, "executing program\n", 18) = 18 [pid 6469] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6469] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6469] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6469] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6469] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6469] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6469] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0}./strace-static-x86_64: Process 6470 attached => {parent_tid=[6470]}, 88) = 6470 [pid 6469] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6469] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6470] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6469] <... futex resumed>) = 0 [pid 6470] <... rseq resumed>) = 0 [pid 6469] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6470] set_robust_list(0x7f46d9f419a0, 24) = 0 [pid 6470] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6470] memfd_create("syzkaller", 0) = 3 [pid 6470] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 6462] <... munmap resumed>) = 0 [pid 6462] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 6462] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6462] close(3) = 0 [pid 6462] close(4) = 0 [pid 6462] mkdir("./bus", 0777) = 0 [pid 6462] mount("/dev/loop3", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic,") = 0 [pid 6462] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6462] chdir("./bus") = 0 [pid 6462] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6462] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6461] <... futex resumed>) = 0 [ 202.304794][ T6462] loop3: detected capacity change from 0 to 32768 [ 202.342790][ T6462] [ 202.342790][ T6462] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 202.342790][ T6462] [pid 6462] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6461] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6462] <... futex resumed>) = 0 [pid 6461] <... futex resumed>) = 1 [pid 6462] chdir("./file0" [pid 6461] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6462] <... chdir resumed>) = 0 [pid 6462] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6462] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6461] <... futex resumed>) = 0 [pid 6461] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6462] <... futex resumed>) = 0 [pid 6461] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6462] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010) = -1 EIO (Input/output error) [pid 6462] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6461] <... futex resumed>) = 0 [pid 6462] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6461] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6462] <... futex resumed>) = 0 [pid 6462] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x7) [ 202.396743][ T6462] read_mapping_page failed! [ 202.401318][ T6462] ERROR: (device loop3): txCommit: [ 202.401318][ T6462] [pid 6461] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6462] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6462] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6461] <... futex resumed>) = 0 [pid 6462] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 6461] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 202.448347][ T6462] read_mapping_page failed! [ 202.452911][ T6462] ERROR: (device loop3): txCommit: [ 202.452911][ T6462] [pid 6462] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6461] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6462] <... openat resumed>) = -1 EIO (Input/output error) [pid 6462] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6461] <... futex resumed>) = 0 [pid 6461] exit_group(0) = ? [pid 6462] +++ exited with 0 +++ [pid 6461] +++ exited with 0 +++ [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6461, si_uid=0, si_status=0, si_utime=10 /* 0.10 s */, si_stime=24 /* 0.24 s */} --- [pid 5866] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5866] umount2("./44", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] openat(AT_FDCWD, "./44", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5866] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5866] umount2("./44/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./44/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] unlink("./44/binderfs") = 0 [ 202.507124][ T6462] read_mapping_page failed! [ 202.511688][ T6462] ERROR: (device loop3): txCommit: [ 202.511688][ T6462] [pid 5866] umount2("./44/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6468] <... write resumed>) = 16777216 [pid 6470] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6468] munmap(0x7f46d1a00000, 138412032 [pid 5866] <... umount2 resumed>) = 0 [pid 5866] umount2("./44/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./44/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] umount2("./44/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 202.554936][ T5866] [ 202.554936][ T5866] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 202.554936][ T5866] [ 202.583316][ T5866] [ 202.583316][ T5866] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 202.583316][ T5866] [pid 5866] openat(AT_FDCWD, "./44/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5866] newfstatat(4, "", [pid 6467] <... write resumed>) = 16777216 [pid 5866] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5866] getdents64(4, [pid 6468] <... munmap resumed>) = 0 [pid 6467] munmap(0x7f46d1a00000, 138412032 [pid 5866] <... getdents64 resumed>0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5866] close(4) = 0 [pid 6468] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5866] rmdir("./44/bus") = 0 [pid 5866] getdents64(3, [pid 6468] <... openat resumed>) = 4 [pid 5866] <... getdents64 resumed>0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5866] close(3) = 0 [pid 5866] rmdir("./44") = 0 [pid 5866] mkdir("./45", 0777) = 0 [pid 5866] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5866] ioctl(3, LOOP_CLR_FD) = 0 [pid 5866] close(3 [pid 6468] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6467] <... munmap resumed>) = 0 [pid 6468] close(3 [pid 6467] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6468] <... close resumed>) = 0 [pid 6467] <... openat resumed>) = 4 [pid 6468] close(4 [pid 6467] ioctl(4, LOOP_SET_FD, 3 [pid 6468] <... close resumed>) = 0 [pid 6468] mkdir("./bus", 0777 [pid 6467] <... ioctl resumed>) = 0 [pid 6468] <... mkdir resumed>) = 0 [pid 6467] close(3) = 0 [pid 6468] mount("/dev/loop4", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [ 202.665684][ T6468] loop4: detected capacity change from 0 to 32768 [ 202.700024][ T6467] loop1: detected capacity change from 0 to 32768 [pid 6467] close(4) = 0 [pid 6467] mkdir("./bus", 0777) = 0 [pid 6467] mount("/dev/loop1", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6465] <... write resumed>) = 16777216 [pid 6468] <... mount resumed>) = 0 [pid 6468] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6465] munmap(0x7f46d1a00000, 138412032 [pid 6468] <... openat resumed>) = 3 [pid 6468] chdir("./bus") = 0 [pid 6468] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [ 202.730610][ T6468] [ 202.730610][ T6468] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 202.730610][ T6468] [ 202.752320][ T6467] [ 202.752320][ T6467] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 202.752320][ T6467] [pid 6465] <... munmap resumed>) = 0 [pid 6468] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6467] <... mount resumed>) = 0 [pid 6468] <... futex resumed>) = 1 [pid 6467] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6468] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6467] <... openat resumed>) = 3 [pid 6467] chdir("./bus" [pid 6466] <... futex resumed>) = 0 [pid 6467] <... chdir resumed>) = 0 [pid 6466] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6467] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6465] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6468] <... futex resumed>) = 0 [pid 6467] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6466] <... futex resumed>) = 1 [pid 6465] <... openat resumed>) = 4 [pid 6468] chdir("./file0" [pid 6467] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6466] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6467] <... futex resumed>) = 1 [pid 6465] ioctl(4, LOOP_SET_FD, 3 [pid 6464] <... futex resumed>) = 0 [pid 6468] <... chdir resumed>) = 0 [pid 6467] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6468] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6466] <... futex resumed>) = 0 [pid 6464] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6468] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6466] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6468] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6468] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6466] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6464] <... futex resumed>) = 1 [pid 6467] <... futex resumed>) = 0 [pid 6464] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6465] <... ioctl resumed>) = 0 [pid 6467] chdir("./file0" [pid 6465] close(3) = 0 [pid 6465] close(4 [pid 6467] <... chdir resumed>) = 0 [pid 6465] <... close resumed>) = 0 [pid 6467] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6465] mkdir("./bus", 0777 [pid 6464] <... futex resumed>) = 0 [pid 6467] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6465] <... mkdir resumed>) = 0 [pid 6464] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 202.824343][ T6465] loop0: detected capacity change from 0 to 32768 [ 202.833306][ T6468] read_mapping_page failed! [ 202.837861][ T6468] ERROR: (device loop4): txCommit: [ 202.837861][ T6468] [pid 6464] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6465] mount("/dev/loop0", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6466] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6466] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6468] <... open resumed>) = -1 EIO (Input/output error) [pid 6466] <... futex resumed>) = 0 [pid 6468] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6466] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6468] <... futex resumed>) = 0 [pid 6468] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6466] <... mmap resumed>) = 0x7f46d9f00000 [pid 6466] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6467] <... open resumed>) = -1 EIO (Input/output error) [pid 6466] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6467] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6466] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6467] <... futex resumed>) = 1 [pid 6466] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0} [pid 6464] <... futex resumed>) = 0 [pid 6464] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6464] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6471 attached [ 202.878009][ T6467] read_mapping_page failed! [ 202.882578][ T6467] ERROR: (device loop1): txCommit: [ 202.882578][ T6467] [ 202.897288][ T6465] [ 202.897288][ T6465] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 202.897288][ T6465] [pid 6467] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x3) [pid 6471] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053 [pid 6466] <... clone3 resumed> => {parent_tid=[6471]}, 88) = 6471 [pid 6471] <... rseq resumed>) = 0 [pid 6466] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6471] set_robust_list(0x7f46d9f209a0, 24) = 0 [pid 6466] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6471] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6466] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6471] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x9) [pid 6465] <... mount resumed>) = 0 [pid 6465] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6465] chdir("./bus") = 0 [pid 6465] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6465] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6465] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6463] <... futex resumed>) = 0 [pid 6463] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6463] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6465] <... futex resumed>) = 0 [pid 6465] chdir("./file0") = 0 [pid 6465] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6463] <... futex resumed>) = 0 [pid 6463] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6463] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 202.928784][ T6467] read_mapping_page failed! [ 202.946284][ T6471] read_mapping_page failed! [ 202.950853][ T6471] ERROR: (device loop4): txCommit: [ 202.950853][ T6471] [ 202.958966][ T6465] read_mapping_page failed! [ 202.963013][ T6467] ERROR: (device loop1): txCommit: [ 202.963013][ T6467] [pid 6465] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6466] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6464] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6464] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6464] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f00000 [pid 6467] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6466] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6464] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE [pid 6466] <... futex resumed>) = 1 [pid 6468] <... futex resumed>) = 0 [pid 6468] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6467] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6466] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6464] <... mprotect resumed>) = 0 [pid 6467] <... futex resumed>) = 0 [pid 6464] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6467] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6464] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0} => {parent_tid=[6472]}, 88) = 6472 [pid 6464] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6464] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6472 attached ) = 0 [pid 6464] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6472] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053 [pid 6471] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6472] <... rseq resumed>) = 0 [pid 6463] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6463] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 6472] set_robust_list(0x7f46d9f209a0, 24) = 0 [pid 6463] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6472] rt_sigprocmask(SIG_SETMASK, [], [pid 6463] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 6472] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6472] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6463] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6463] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6463] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f00000 [pid 6463] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6463] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6463] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0} => {parent_tid=[6473]}, 88) = 6473 [pid 6463] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6463] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 6473 attached [ 202.978334][ T6465] ERROR: (device loop0): txCommit: [ 202.978334][ T6465] [ 203.001575][ T6468] read_mapping_page failed! [ 203.011472][ T6472] read_mapping_page failed! [ 203.012399][ T6468] ERROR: (device loop4): txCommit: [ 203.012399][ T6468] [ 203.024729][ T6473] read_mapping_page failed! [pid 6463] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6471] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6473] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053) = 0 [pid 6473] set_robust_list(0x7f46d9f209a0, 24) = 0 [pid 6473] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6473] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x1) [pid 6471] <... futex resumed>) = 0 [pid 6465] <... open resumed>) = -1 EIO (Input/output error) [pid 6471] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6466] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6465] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6464] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6465] <... futex resumed>) = 0 [pid 6465] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6468] <... openat resumed>) = -1 EIO (Input/output error) [pid 6468] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6466] exit_group(0 [pid 6468] ???( [pid 6466] <... exit_group resumed>) = ? [pid 6471] <... futex resumed>) = ? [pid 6468] <... ??? resumed>) = ? [pid 6463] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6471] +++ exited with 0 +++ [pid 6463] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6465] <... futex resumed>) = 0 [pid 6463] <... futex resumed>) = 1 [pid 6465] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6463] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6468] +++ exited with 0 +++ [pid 6466] +++ exited with 0 +++ [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6466, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=27 /* 0.27 s */} --- [pid 6472] <... openat resumed>) = -1 EIO (Input/output error) [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 6472] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6472] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6464] exit_group(0 [pid 6472] <... futex resumed>) = ? [pid 6467] <... futex resumed>) = ? [pid 6464] <... exit_group resumed>) = ? [pid 6472] +++ exited with 0 +++ [pid 6467] +++ exited with 0 +++ [pid 6464] +++ exited with 0 +++ [pid 5867] <... restart_syscall resumed>) = 0 [pid 5864] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6464, si_uid=0, si_status=0, si_utime=10 /* 0.10 s */, si_stime=24 /* 0.24 s */} --- [pid 5867] umount2("./44", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./44", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5866] <... close resumed>) = 0 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5867] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6474 attached [ 203.029263][ T6473] ERROR: (device loop0): txCommit: [ 203.029263][ T6473] [ 203.044999][ T6472] ERROR: (device loop1): txCommit: [ 203.044999][ T6472] [pid 5867] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5867] umount2("./44/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5864] umount2("./43", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] openat(AT_FDCWD, "./43", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6474] set_robust_list(0x555566de86a0, 24 [pid 5867] newfstatat(AT_FDCWD, "./44/binderfs", [pid 5864] <... openat resumed>) = 3 [pid 6473] <... mknod resumed>) = -1 EIO (Input/output error) [pid 5867] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6474] <... set_robust_list resumed>) = 0 [pid 5864] newfstatat(3, "", [pid 6473] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] unlink("./44/binderfs" [pid 6473] <... futex resumed>) = 0 [pid 6474] chdir("./45" [pid 6473] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5864] getdents64(3, [pid 5866] <... clone resumed>, child_tidptr=0x555566de8690) = 6474 [pid 5867] <... unlink resumed>) = 0 [pid 5867] umount2("./44/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5864] <... getdents64 resumed>0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5864] umount2("./43/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] newfstatat(AT_FDCWD, "./43/binderfs", [pid 6465] <... openat resumed>) = -1 EIO (Input/output error) [pid 6463] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5864] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5864] unlink("./43/binderfs") = 0 [pid 5864] umount2("./43/bus", MNT_FORCE|UMOUNT_NOFOLLOW [ 203.083777][ T6465] read_mapping_page failed! [ 203.088342][ T6465] ERROR: (device loop0): txCommit: [ 203.088342][ T6465] [ 203.113886][ T5867] [ 203.113886][ T5867] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 203.113886][ T5867] [ 203.126637][ T5864] [pid 6465] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6474] <... chdir resumed>) = 0 [pid 6465] <... futex resumed>) = 0 [pid 6474] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6463] exit_group(0 [pid 6474] <... prctl resumed>) = 0 [pid 6473] <... futex resumed>) = ? [pid 6463] <... exit_group resumed>) = ? [pid 6473] +++ exited with 0 +++ [pid 6465] +++ exited with 0 +++ [pid 6463] +++ exited with 0 +++ [pid 5863] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6463, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=30 /* 0.30 s */} --- [pid 5863] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5863] umount2("./44", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] openat(AT_FDCWD, "./44", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5863] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5863] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5863] umount2("./44/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] newfstatat(AT_FDCWD, "./44/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5863] unlink("./44/binderfs") = 0 [pid 5863] umount2("./44/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5864] <... umount2 resumed>) = 0 [pid 5864] umount2("./43/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] newfstatat(AT_FDCWD, "./43/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5864] umount2("./43/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] openat(AT_FDCWD, "./43/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5864] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5864] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5864] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5864] close(4) = 0 [pid 5864] rmdir("./43/bus" [pid 6474] setpgid(0, 0 [pid 5864] <... rmdir resumed>) = 0 [pid 6474] <... setpgid resumed>) = 0 [pid 5864] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5864] close(3) = 0 [pid 5864] rmdir("./43") = 0 [pid 5864] mkdir("./44", 0777 [ 203.126637][ T5864] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 203.126637][ T5864] [ 203.139313][ T5867] [ 203.139313][ T5867] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 203.139313][ T5867] [ 203.149846][ T5864] [ 203.149846][ T5864] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 203.149846][ T5864] [ 203.164458][ T5863] [ 203.164458][ T5863] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 203.164458][ T5863] [pid 6474] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6470] <... write resumed>) = 16777216 [pid 5864] <... mkdir resumed>) = 0 [pid 6474] write(3, "1000", 4) = 4 [pid 5864] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6474] close(3) = 0 [pid 5864] <... openat resumed>) = 3 [pid 6474] symlink("/dev/binderfs", "./binderfs" [pid 5864] ioctl(3, LOOP_CLR_FD) = 0 [pid 6474] <... symlink resumed>) = 0 [pid 6470] munmap(0x7f46d1a00000, 138412032executing program [pid 6474] write(1, "executing program\n", 18 [pid 5864] close(3) = 0 [pid 5864] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6475 attached [pid 6474] <... write resumed>) = 18 [pid 6475] set_robust_list(0x555566de86a0, 24 [pid 6474] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6475] <... set_robust_list resumed>) = 0 [pid 6474] <... futex resumed>) = 0 [pid 6475] chdir("./44" [pid 6474] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6475] <... chdir resumed>) = 0 [pid 6474] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6475] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6474] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6475] <... prctl resumed>) = 0 [pid 6474] <... mmap resumed>) = 0x7f46d9f21000 [pid 6475] setpgid(0, 0 [pid 5864] <... clone resumed>, child_tidptr=0x555566de8690) = 6475 [pid 6474] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE [pid 6475] <... setpgid resumed>) = 0 [pid 6474] <... mprotect resumed>) = 0 [pid 6475] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6474] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6475] <... openat resumed>) = 3 [pid 6474] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0}./strace-static-x86_64: Process 6476 attached [pid 6476] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6474] <... clone3 resumed> => {parent_tid=[6476]}, 88) = 6476 [pid 6476] <... rseq resumed>) = 0 [pid 6474] rt_sigprocmask(SIG_SETMASK, [], [pid 6476] set_robust_list(0x7f46d9f419a0, 24 [pid 6474] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6476] <... set_robust_list resumed>) = 0 [pid 6474] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6476] rt_sigprocmask(SIG_SETMASK, [], [pid 6474] <... futex resumed>) = 0 [pid 6476] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6474] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6476] memfd_create("syzkaller", 0) = 3 [pid 6475] write(3, "1000", 4 [pid 5867] <... umount2 resumed>) = 0 [pid 5867] umount2("./44/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./44/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] umount2("./44/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./44/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6476] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5867] <... openat resumed>) = 4 [pid 6475] <... write resumed>) = 4 [pid 5867] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6475] close(3 [pid 6476] <... mmap resumed>) = 0x7f46d1a00000 [pid 5867] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5867] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 6470] <... munmap resumed>) = 0 [pid 5867] close(4) = 0 [pid 5867] rmdir("./44/bus") = 0 [pid 6475] <... close resumed>) = 0 [pid 6470] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5863] <... umount2 resumed>) = 0 [pid 6475] symlink("/dev/binderfs", "./binderfs" [pid 6470] <... openat resumed>) = 4 [pid 5867] getdents64(3, [pid 5863] umount2("./44/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5867] <... getdents64 resumed>0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 203.184692][ T5863] [ 203.184692][ T5863] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 203.184692][ T5863] [pid 6475] <... symlink resumed>) = 0 [pid 6470] ioctl(4, LOOP_SET_FD, 3 [pid 5867] close(3 [pid 5863] newfstatat(AT_FDCWD, "./44/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 6475] write(1, "executing program\n", 18 [pid 6470] <... ioctl resumed>) = 0 [pid 5867] <... close resumed>) = 0 [pid 5863] umount2("./44/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6475] <... write resumed>) = 18 [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5863] openat(AT_FDCWD, "./44/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 6475] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] newfstatat(4, "", [pid 6475] <... futex resumed>) = 0 [pid 5863] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5863] getdents64(4, [pid 6475] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, [pid 5867] rmdir("./44" [pid 5863] <... getdents64 resumed>0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5863] getdents64(4, [pid 6475] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5863] <... getdents64 resumed>0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5863] close(4) = 0 [pid 5863] rmdir("./44/bus") = 0 [pid 5863] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5863] close(3) = 0 [pid 5863] rmdir("./44" [pid 5867] <... rmdir resumed>) = 0 [pid 5863] <... rmdir resumed>) = 0 [pid 5863] mkdir("./45", 0777) = 0 [pid 5863] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5867] mkdir("./45", 0777) = 0 [pid 5867] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5867] ioctl(3, LOOP_CLR_FD) = 0 [pid 5867] close(3 [pid 6475] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6470] close(3 [pid 6475] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5863] <... openat resumed>) = 3 [pid 5863] ioctl(3, LOOP_CLR_FD) = 0 [pid 5863] close(3 [pid 6475] <... mmap resumed>) = 0x7f46d9f21000 [pid 6470] <... close resumed>) = 0 [pid 6475] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE [pid 6470] close(4 [pid 6475] <... mprotect resumed>) = 0 [pid 6470] <... close resumed>) = 0 [pid 6475] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6470] mkdir("./bus", 0777 [pid 6475] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6470] <... mkdir resumed>) = 0 [pid 6475] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} [pid 6470] mount("/dev/loop2", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic,"./strace-static-x86_64: Process 6477 attached [pid 6475] <... clone3 resumed> => {parent_tid=[6477]}, 88) = 6477 [pid 6477] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6475] rt_sigprocmask(SIG_SETMASK, [], [pid 6477] <... rseq resumed>) = 0 [pid 6475] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6477] set_robust_list(0x7f46d9f419a0, 24 [pid 6475] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6477] <... set_robust_list resumed>) = 0 [pid 6475] <... futex resumed>) = 0 [pid 6477] rt_sigprocmask(SIG_SETMASK, [], [pid 6475] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6477] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6477] memfd_create("syzkaller", 0) = 3 [ 203.246168][ T6470] loop2: detected capacity change from 0 to 32768 [pid 6477] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 6470] <... mount resumed>) = 0 [pid 6470] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6470] chdir("./bus") = 0 [ 203.333183][ T6470] [ 203.333183][ T6470] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 203.333183][ T6470] [pid 6470] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6470] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6470] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6469] <... futex resumed>) = 0 [pid 6469] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6470] <... futex resumed>) = 0 [pid 6469] <... futex resumed>) = 1 [pid 6470] chdir("./file0" [pid 6469] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6470] <... chdir resumed>) = 0 [pid 6470] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6469] <... futex resumed>) = 0 [pid 6469] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6470] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6469] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 6469] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 6469] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6469] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f00000 [pid 6469] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6469] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6469] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0} => {parent_tid=[6478]}, 88) = 6478 [pid 6469] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6469] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6469] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6478 attached [pid 6478] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053 [pid 6470] <... open resumed>) = -1 EIO (Input/output error) [pid 6478] <... rseq resumed>) = 0 [pid 6470] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6478] set_robust_list(0x7f46d9f209a0, 24 [pid 6470] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6478] <... set_robust_list resumed>) = 0 [pid 6478] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [ 203.474146][ T6470] read_mapping_page failed! [ 203.479373][ T6470] ERROR: (device loop2): txCommit: [ 203.479373][ T6470] [pid 6478] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x5) [pid 6469] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6469] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6470] <... futex resumed>) = 0 [pid 6469] <... futex resumed>) = 1 [pid 6470] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [ 203.527570][ T6478] read_mapping_page failed! [ 203.532377][ T6478] ERROR: (device loop2): txCommit: [ 203.532377][ T6478] [pid 6469] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6478] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6478] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6478] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6476] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6470] <... openat resumed>) = -1 EIO (Input/output error) [pid 6470] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6469] <... futex resumed>) = 0 [pid 6469] exit_group(0) = ? [pid 6478] <... futex resumed>) = ? [pid 6470] +++ exited with 0 +++ [pid 6478] +++ exited with 0 +++ [pid 6469] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6469, si_uid=0, si_status=0, si_utime=11 /* 0.11 s */, si_stime=24 /* 0.24 s */} --- [pid 5865] umount2("./45", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./45", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5865] umount2("./45/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./45/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./45/binderfs") = 0 [ 203.594823][ T6470] read_mapping_page failed! [ 203.599477][ T6470] ERROR: (device loop2): txCommit: [ 203.599477][ T6470] [ 203.634373][ T5865] [ 203.634373][ T5865] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 203.634373][ T5865] [pid 5865] umount2("./45/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 6477] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5867] <... close resumed>) = 0 [pid 5865] umount2("./45/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./45/bus", [pid 5863] <... close resumed>) = 0 [pid 5865] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] umount2("./45/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./45/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5863] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5865] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5865] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5865] close(4) = 0 [pid 5865] rmdir("./45/bus") = 0 ./strace-static-x86_64: Process 6479 attached [pid 5865] getdents64(3, [pid 5863] <... clone resumed>, child_tidptr=0x555566de8690) = 6479 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5865] <... getdents64 resumed>0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./45" [pid 6479] set_robust_list(0x555566de86a0, 24 [pid 5865] <... rmdir resumed>) = 0 [pid 5865] mkdir("./46", 0777 [pid 6479] <... set_robust_list resumed>) = 0 [pid 5867] <... clone resumed>, child_tidptr=0x555566de8690) = 6480 [pid 5865] <... mkdir resumed>) = 0 [pid 5865] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6479] chdir("./45" [pid 5865] <... openat resumed>) = 3 [pid 5865] ioctl(3, LOOP_CLR_FD) = 0 [ 203.673613][ T5865] [ 203.673613][ T5865] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 203.673613][ T5865] ./strace-static-x86_64: Process 6480 attached [pid 5865] close(3 [pid 6480] set_robust_list(0x555566de86a0, 24 [pid 6479] <... chdir resumed>) = 0 [pid 6479] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6480] <... set_robust_list resumed>) = 0 [pid 6480] chdir("./45") = 0 [pid 6480] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6479] <... prctl resumed>) = 0 [pid 6480] <... prctl resumed>) = 0 [pid 6480] setpgid(0, 0 [pid 6479] setpgid(0, 0 [pid 6480] <... setpgid resumed>) = 0 [pid 6479] <... setpgid resumed>) = 0 [pid 6480] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6479] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6480] <... openat resumed>) = 3 [pid 6479] <... openat resumed>) = 3 [pid 6479] write(3, "1000", 4) = 4 [pid 6479] close(3) = 0 [pid 6480] write(3, "1000", 4) = 4 [pid 6480] close(3) = 0 [pid 6479] symlink("/dev/binderfs", "./binderfs" [pid 6480] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6479] <... symlink resumed>) = 0 executing program executing program [pid 6479] write(1, "executing program\n", 18 [pid 6480] write(1, "executing program\n", 18 [pid 6479] <... write resumed>) = 18 [pid 6480] <... write resumed>) = 18 [pid 6479] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6480] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6479] <... futex resumed>) = 0 [pid 6480] <... futex resumed>) = 0 [pid 6480] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, [pid 6479] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, [pid 6480] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6479] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6480] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6479] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6480] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6479] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6480] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6479] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6480] <... mmap resumed>) = 0x7f46d9f21000 [pid 6479] <... mmap resumed>) = 0x7f46d9f21000 [pid 6480] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6479] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE [pid 6480] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6479] <... mprotect resumed>) = 0 [pid 6480] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6479] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6480] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} [pid 6479] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 6481 attached [pid 6479] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} [pid 6480] <... clone3 resumed> => {parent_tid=[6481]}, 88) = 6481 ./strace-static-x86_64: Process 6482 attached [pid 6482] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6481] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6479] <... clone3 resumed> => {parent_tid=[6482]}, 88) = 6482 [pid 6482] <... rseq resumed>) = 0 [pid 6481] <... rseq resumed>) = 0 [pid 6482] set_robust_list(0x7f46d9f419a0, 24 [pid 6481] set_robust_list(0x7f46d9f419a0, 24 [pid 6479] rt_sigprocmask(SIG_SETMASK, [], [pid 6482] <... set_robust_list resumed>) = 0 [pid 6481] <... set_robust_list resumed>) = 0 [pid 6479] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6482] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6481] rt_sigprocmask(SIG_SETMASK, [], [pid 6480] rt_sigprocmask(SIG_SETMASK, [], [pid 6479] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6479] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6482] memfd_create("syzkaller", 0 [pid 6481] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6482] <... memfd_create resumed>) = 3 [pid 6481] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6480] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6482] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 6480] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6481] <... futex resumed>) = 0 [pid 6480] <... futex resumed>) = 1 [pid 6481] memfd_create("syzkaller", 0 [pid 6480] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6481] <... memfd_create resumed>) = 3 [pid 6481] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 6476] <... write resumed>) = 16777216 [pid 6476] munmap(0x7f46d1a00000, 138412032) = 0 [pid 6476] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 6476] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6476] close(3) = 0 [pid 6476] close(4) = 0 [pid 6476] mkdir("./bus", 0777) = 0 [pid 6476] mount("/dev/loop3", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 5865] <... close resumed>) = 0 [ 204.005389][ T6476] loop3: detected capacity change from 0 to 32768 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6483 attached [pid 6483] set_robust_list(0x555566de86a0, 24 [pid 5865] <... clone resumed>, child_tidptr=0x555566de8690) = 6483 [pid 6483] <... set_robust_list resumed>) = 0 [pid 6483] chdir("./46") = 0 [pid 6483] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6483] setpgid(0, 0) = 0 [pid 6483] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6483] write(3, "1000", 4) = 4 [pid 6483] close(3) = 0 [pid 6483] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6483] write(1, "executing program\n", 18) = 18 [pid 6483] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6483] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6483] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6483] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6476] <... mount resumed>) = 0 [pid 6483] <... mmap resumed>) = 0x7f46d9f21000 [pid 6476] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6483] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE [pid 6476] <... openat resumed>) = 3 [pid 6476] chdir("./bus" [pid 6483] <... mprotect resumed>) = 0 [pid 6476] <... chdir resumed>) = 0 [pid 6476] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6476] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6474] <... futex resumed>) = 0 [pid 6476] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6483] rt_sigprocmask(SIG_BLOCK, ~[], [ 204.057732][ T6476] [ 204.057732][ T6476] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 204.057732][ T6476] [pid 6474] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6483] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6476] <... futex resumed>) = 0 [pid 6474] <... futex resumed>) = 1 [pid 6476] chdir("./file0" [pid 6474] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6483] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} [pid 6476] <... chdir resumed>) = 0 [pid 6476] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6484 attached [pid 6483] <... clone3 resumed> => {parent_tid=[6484]}, 88) = 6484 [pid 6476] <... futex resumed>) = 1 [pid 6474] <... futex resumed>) = 0 [pid 6484] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6474] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6483] rt_sigprocmask(SIG_SETMASK, [], [pid 6474] <... futex resumed>) = 0 [pid 6484] <... rseq resumed>) = 0 [pid 6484] set_robust_list(0x7f46d9f419a0, 24 [pid 6483] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6474] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6484] <... set_robust_list resumed>) = 0 [pid 6483] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6484] rt_sigprocmask(SIG_SETMASK, [], [pid 6483] <... futex resumed>) = 0 [pid 6484] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6483] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6476] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6484] memfd_create("syzkaller", 0) = 3 [pid 6484] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6482] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6477] <... write resumed>) = 16777216 [pid 6484] <... mmap resumed>) = 0x7f46d1a00000 [pid 6477] munmap(0x7f46d1a00000, 138412032 [pid 6481] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6476] <... open resumed>) = -1 EIO (Input/output error) [pid 6476] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6476] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6474] <... futex resumed>) = 0 [pid 6474] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6476] <... futex resumed>) = 0 [pid 6474] <... futex resumed>) = 1 [pid 6474] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6476] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x7) [pid 6477] <... munmap resumed>) = 0 [pid 6476] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6477] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 6477] ioctl(4, LOOP_SET_FD, 3 [ 204.141893][ T6476] read_mapping_page failed! [ 204.153546][ T6476] ERROR: (device loop3): txCommit: [ 204.153546][ T6476] [ 204.175142][ T6476] read_mapping_page failed! [ 204.179698][ T6476] ERROR: (device loop3): txCommit: [ 204.179698][ T6476] [pid 6476] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6476] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6474] <... futex resumed>) = 0 [pid 6477] <... ioctl resumed>) = 0 [pid 6474] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6477] close(3 [pid 6476] <... futex resumed>) = 0 [pid 6474] <... futex resumed>) = 1 [pid 6477] <... close resumed>) = 0 [pid 6476] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6474] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6477] close(4) = 0 [pid 6477] mkdir("./bus", 0777) = 0 [ 204.215459][ T6477] loop1: detected capacity change from 0 to 32768 [ 204.245910][ T6476] read_mapping_page failed! [ 204.250527][ T6476] ERROR: (device loop3): txCommit: [ 204.250527][ T6476] [pid 6477] mount("/dev/loop1", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6476] <... openat resumed>) = -1 EIO (Input/output error) [pid 6476] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6476] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6474] <... futex resumed>) = 0 [pid 6474] exit_group(0 [pid 6476] <... futex resumed>) = ? [pid 6474] <... exit_group resumed>) = ? [pid 6476] +++ exited with 0 +++ [pid 6474] +++ exited with 0 +++ [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6474, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=27 /* 0.27 s */} --- [pid 5866] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5866] umount2("./45", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] openat(AT_FDCWD, "./45", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6477] <... mount resumed>) = 0 [pid 5866] <... openat resumed>) = 3 [pid 6477] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5866] newfstatat(3, "", [pid 6477] <... openat resumed>) = 3 [pid 5866] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(3, [pid 6477] chdir("./bus" [pid 5866] <... getdents64 resumed>0x555566de9730 /* 4 entries */, 32768) = 104 [pid 6477] <... chdir resumed>) = 0 [pid 5866] umount2("./45/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6477] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./45/binderfs", [pid 6477] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5866] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] unlink("./45/binderfs" [ 204.279005][ T6477] [ 204.279005][ T6477] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 204.279005][ T6477] [pid 6477] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6475] <... futex resumed>) = 0 [pid 5866] <... unlink resumed>) = 0 [pid 6475] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] umount2("./45/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6477] chdir("./file0" [pid 6475] <... futex resumed>) = 0 [pid 6475] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6477] <... chdir resumed>) = 0 [pid 6477] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6475] <... futex resumed>) = 0 [pid 6477] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6475] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6477] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6477] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6475] <... futex resumed>) = 0 [ 204.353664][ T5866] [ 204.353664][ T5866] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 204.353664][ T5866] [ 204.377874][ T5866] [ 204.377874][ T5866] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 204.377874][ T5866] [ 204.391654][ T6477] read_mapping_page failed! [pid 6475] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6477] <... open resumed>) = -1 EIO (Input/output error) [pid 6477] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6475] <... futex resumed>) = 0 [pid 6475] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6477] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x3) [pid 6475] <... futex resumed>) = 0 [pid 6475] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] <... umount2 resumed>) = 0 [pid 5866] umount2("./45/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 204.413870][ T6477] ERROR: (device loop1): txCommit: [ 204.413870][ T6477] [ 204.438477][ T6477] read_mapping_page failed! [pid 5866] newfstatat(AT_FDCWD, "./45/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] umount2("./45/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] openat(AT_FDCWD, "./45/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6484] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6477] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6475] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5866] <... openat resumed>) = 4 [pid 6477] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6475] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] newfstatat(4, "", [pid 6477] <... futex resumed>) = 0 [pid 6475] <... futex resumed>) = 0 [ 204.459992][ T6477] ERROR: (device loop1): txCommit: [ 204.459992][ T6477] [pid 5866] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6477] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6475] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5866] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 6482] <... write resumed>) = 16777216 [pid 5866] close(4) = 0 [pid 5866] rmdir("./45/bus" [pid 6482] munmap(0x7f46d1a00000, 138412032 [pid 5866] <... rmdir resumed>) = 0 [pid 5866] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5866] close(3) = 0 [pid 5866] rmdir("./45") = 0 [pid 6477] <... openat resumed>) = -1 EIO (Input/output error) [pid 5866] mkdir("./46", 0777 [pid 6477] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6475] <... futex resumed>) = 0 [pid 5866] <... mkdir resumed>) = 0 [pid 6482] <... munmap resumed>) = 0 [pid 6477] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6475] exit_group(0) = ? [pid 5866] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5866] ioctl(3, LOOP_CLR_FD) = 0 [ 204.515246][ T6477] read_mapping_page failed! [ 204.519819][ T6477] ERROR: (device loop1): txCommit: [ 204.519819][ T6477] [pid 5866] close(3 [pid 6482] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 6482] ioctl(4, LOOP_SET_FD, 3 [pid 6477] <... futex resumed>) = ? [pid 6482] <... ioctl resumed>) = 0 [pid 6477] +++ exited with 0 +++ [pid 6475] +++ exited with 0 +++ [pid 5864] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6475, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=30 /* 0.30 s */} --- [pid 5864] restart_syscall(<... resuming interrupted clone ...> [pid 6482] close(3) = 0 [pid 6482] close(4 [pid 5864] <... restart_syscall resumed>) = 0 [pid 6482] <... close resumed>) = 0 [pid 6482] mkdir("./bus", 0777) = 0 [pid 5864] umount2("./44", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] openat(AT_FDCWD, "./44", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5864] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6482] mount("/dev/loop0", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 5864] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5864] umount2("./44/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] newfstatat(AT_FDCWD, "./44/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5864] unlink("./44/binderfs") = 0 [ 204.592916][ T6482] loop0: detected capacity change from 0 to 32768 [pid 5864] umount2("./44/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6481] <... write resumed>) = 16777216 [pid 6481] munmap(0x7f46d1a00000, 138412032 [pid 6482] <... mount resumed>) = 0 [pid 6482] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6482] chdir("./bus") = 0 [ 204.642368][ T6482] [ 204.642368][ T6482] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 204.642368][ T6482] [ 204.657024][ T5864] [ 204.657024][ T5864] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 204.657024][ T5864] [ 204.679535][ T5864] [ 204.679535][ T5864] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 204.679535][ T5864] [pid 6482] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6481] <... munmap resumed>) = 0 [pid 6482] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6482] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6481] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 6481] ioctl(4, LOOP_SET_FD, 3 [pid 6482] <... futex resumed>) = 1 [pid 6479] <... futex resumed>) = 0 [pid 6482] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6479] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6479] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6482] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6482] chdir("./file0") = 0 [pid 6482] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6479] <... futex resumed>) = 0 [pid 6479] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6481] <... ioctl resumed>) = 0 [pid 6482] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6479] <... futex resumed>) = 0 [pid 6481] close(3) = 0 [pid 6481] close(4) = 0 [pid 6481] mkdir("./bus", 0777) = 0 [pid 6479] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 204.728345][ T6481] loop4: detected capacity change from 0 to 32768 [ 204.765210][ T6482] read_mapping_page failed! [ 204.767671][ T6481] [ 204.767671][ T6481] ... Log Wrap ... Log Wrap ... Log Wrap ... [pid 6481] mount("/dev/loop4", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 5864] <... umount2 resumed>) = 0 [pid 5864] umount2("./44/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6482] <... open resumed>) = -1 EIO (Input/output error) [pid 5864] newfstatat(AT_FDCWD, "./44/bus", [pid 6481] <... mount resumed>) = 0 [pid 6482] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6479] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5864] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6479] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] umount2("./44/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6481] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5864] openat(AT_FDCWD, "./44/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6479] <... futex resumed>) = 0 [pid 6481] chdir("./bus") = 0 [pid 6481] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6481] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6480] <... futex resumed>) = 0 [pid 6480] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 204.767671][ T6481] [ 204.783680][ T6482] ERROR: (device loop0): txCommit: [ 204.783680][ T6482] [pid 6480] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6482] <... futex resumed>) = 0 [pid 6481] chdir("./file0" [pid 6479] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5864] <... openat resumed>) = 4 [pid 5864] newfstatat(4, "", [pid 6482] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x1) [pid 5864] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6481] <... chdir resumed>) = 0 [pid 6481] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6480] <... futex resumed>) = 0 [pid 6481] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6480] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6480] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5864] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 6481] <... open resumed>) = -1 EIO (Input/output error) [pid 5864] getdents64(4, [pid 6481] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6480] <... futex resumed>) = 0 [pid 5864] <... getdents64 resumed>0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5864] close(4 [pid 6480] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6480] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5864] <... close resumed>) = 0 [pid 6481] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x9) [pid 5864] rmdir("./44/bus") = 0 [pid 5864] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5864] close(3) = 0 [pid 6482] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6479] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 204.831991][ T6482] read_mapping_page failed! [ 204.834504][ T6481] read_mapping_page failed! [ 204.841108][ T6481] ERROR: (device loop4): txCommit: [ 204.841108][ T6481] [ 204.856386][ T6482] ERROR: (device loop0): txCommit: [ 204.856386][ T6482] [ 204.870098][ T6481] read_mapping_page failed! [pid 5864] rmdir("./44" [pid 6482] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6479] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] <... rmdir resumed>) = 0 [pid 5864] mkdir("./45", 0777 [pid 6482] <... futex resumed>) = 0 [pid 6479] <... futex resumed>) = 0 [pid 6482] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6479] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5864] <... mkdir resumed>) = 0 [pid 6479] <... mmap resumed>) = 0x7f46d9f00000 [pid 5864] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 6480] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6480] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 6481] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6480] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6480] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 6481] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6480] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6480] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6479] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE [pid 6480] <... futex resumed>) = 0 [pid 6480] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6481] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6479] <... mprotect resumed>) = 0 [pid 5864] ioctl(3, LOOP_CLR_FD [pid 6479] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5864] <... ioctl resumed>) = 0 [pid 6479] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5866] <... close resumed>) = 0 [pid 5864] close(3 [pid 6479] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0} [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6479] <... clone3 resumed> => {parent_tid=[6485]}, 88) = 6485 [pid 6479] rt_sigprocmask(SIG_SETMASK, [], [pid 5866] <... clone resumed>, child_tidptr=0x555566de8690) = 6486 ./strace-static-x86_64: Process 6486 attached [pid 6486] set_robust_list(0x555566de86a0, 24) = 0 [pid 6486] chdir("./46"./strace-static-x86_64: Process 6485 attached ) = 0 [pid 6479] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6479] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6485] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053 [pid 6479] <... futex resumed>) = 0 [pid 6481] <... openat resumed>) = -1 EIO (Input/output error) [pid 6486] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6481] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6480] <... futex resumed>) = 0 [pid 6480] exit_group(0) = ? [ 204.888641][ T6481] ERROR: (device loop4): txCommit: [ 204.888641][ T6481] [ 204.920777][ T6481] read_mapping_page failed! [ 204.927753][ T6481] ERROR: (device loop4): txCommit: [ 204.927753][ T6481] executing program [pid 6485] <... rseq resumed>) = 0 [pid 6479] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6486] <... prctl resumed>) = 0 [pid 6485] set_robust_list(0x7f46d9f209a0, 24) = 0 [pid 6485] rt_sigprocmask(SIG_SETMASK, [], [pid 6486] setpgid(0, 0) = 0 [pid 6486] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6486] write(3, "1000", 4) = 4 [pid 6486] close(3) = 0 [pid 6486] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6486] write(1, "executing program\n", 18) = 18 [pid 6486] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6481] +++ exited with 0 +++ [pid 6480] +++ exited with 0 +++ [pid 6485] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6486] <... futex resumed>) = 0 [pid 6486] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6486] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6486] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6486] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6480, si_uid=0, si_status=0, si_utime=9 /* 0.09 s */, si_stime=27 /* 0.27 s */} --- [pid 6485] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6486] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5867] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 6486] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6486] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0}./strace-static-x86_64: Process 6487 attached => {parent_tid=[6487]}, 88) = 6487 [pid 6486] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6486] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6487] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6486] <... futex resumed>) = 0 [pid 6487] <... rseq resumed>) = 0 [pid 6486] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6487] set_robust_list(0x7f46d9f419a0, 24) = 0 [pid 6487] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6487] memfd_create("syzkaller", 0) = 3 [pid 6487] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 5867] umount2("./45", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./45", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5867] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(3, [pid 6479] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5867] <... getdents64 resumed>0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5867] umount2("./45/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./45/binderfs", [pid 6485] <... openat resumed>) = -1 EIO (Input/output error) [pid 5867] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6484] <... write resumed>) = 16777216 [pid 6485] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] unlink("./45/binderfs" [pid 6479] exit_group(0) = ? [pid 5867] <... unlink resumed>) = 0 [pid 6485] <... futex resumed>) = ? [pid 6482] <... futex resumed>) = ? [pid 5867] umount2("./45/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6482] +++ exited with 0 +++ [ 204.974299][ T6485] read_mapping_page failed! [ 204.992253][ T6485] ERROR: (device loop0): txCommit: [ 204.992253][ T6485] [pid 6485] +++ exited with 0 +++ [pid 6479] +++ exited with 0 +++ [pid 5863] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6479, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=24 /* 0.24 s */} --- [pid 5863] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5863] umount2("./45", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] openat(AT_FDCWD, "./45", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5863] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5863] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5863] umount2("./45/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] newfstatat(AT_FDCWD, "./45/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5863] unlink("./45/binderfs") = 0 [pid 5863] umount2("./45/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6484] munmap(0x7f46d1a00000, 138412032) = 0 [pid 6484] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [ 205.074645][ T5867] [ 205.074645][ T5867] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 205.074645][ T5867] [ 205.096146][ T5863] [ 205.096146][ T5863] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 205.096146][ T5863] [pid 6484] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5867] <... umount2 resumed>) = 0 [pid 5867] umount2("./45/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./45/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] umount2("./45/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./45/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5867] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(4, [pid 6484] close(3 [pid 5867] <... getdents64 resumed>0x555566df1770 /* 2 entries */, 32768) = 48 [pid 6484] <... close resumed>) = 0 [pid 6484] close(4 [pid 5867] getdents64(4, [pid 6484] <... close resumed>) = 0 [pid 5867] <... getdents64 resumed>0x555566df1770 /* 0 entries */, 32768) = 0 [pid 6484] mkdir("./bus", 0777 [pid 5867] close(4 [pid 6484] <... mkdir resumed>) = 0 [pid 5867] <... close resumed>) = 0 [pid 6484] mount("/dev/loop2", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [ 205.135185][ T5867] [ 205.135185][ T5867] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 205.135185][ T5867] [ 205.146832][ T6484] loop2: detected capacity change from 0 to 32768 [ 205.154760][ T5863] [ 205.154760][ T5863] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 205.154760][ T5863] [pid 5867] rmdir("./45/bus") = 0 [pid 5863] <... umount2 resumed>) = 0 [pid 5867] getdents64(3, [pid 5863] umount2("./45/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] <... getdents64 resumed>0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5863] newfstatat(AT_FDCWD, "./45/bus", [pid 5867] close(3 [pid 5863] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] <... close resumed>) = 0 [pid 5863] umount2("./45/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5867] rmdir("./45" [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5867] <... rmdir resumed>) = 0 [pid 5863] openat(AT_FDCWD, "./45/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5867] mkdir("./46", 0777 [pid 5863] <... openat resumed>) = 4 [pid 5867] <... mkdir resumed>) = 0 [pid 5863] newfstatat(4, "", [pid 6484] <... mount resumed>) = 0 [pid 5867] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5863] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5863] getdents64(4, [pid 6484] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5867] <... openat resumed>) = 3 [pid 5863] <... getdents64 resumed>0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5867] ioctl(3, LOOP_CLR_FD [pid 5863] getdents64(4, [pid 6484] <... openat resumed>) = 3 [pid 5867] <... ioctl resumed>) = 0 [pid 5863] <... getdents64 resumed>0x555566df1770 /* 0 entries */, 32768) = 0 [pid 6484] chdir("./bus" [pid 5867] close(3 [pid 5863] close(4 [pid 6484] <... chdir resumed>) = 0 [pid 5863] <... close resumed>) = 0 [pid 5863] rmdir("./45/bus" [pid 6484] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5863] <... rmdir resumed>) = 0 [pid 5863] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [ 205.199856][ T6484] [ 205.199856][ T6484] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 205.199856][ T6484] [pid 6484] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5863] close(3 [pid 6484] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] <... close resumed>) = 0 [pid 6484] <... futex resumed>) = 1 [pid 6483] <... futex resumed>) = 0 [pid 5863] rmdir("./45" [pid 6484] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 6483] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] <... rmdir resumed>) = 0 [pid 5863] mkdir("./46", 0777 [pid 6484] chdir("./file0") = 0 [pid 6483] <... futex resumed>) = 0 [pid 5863] <... mkdir resumed>) = 0 [pid 6483] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6484] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6484] <... futex resumed>) = 0 [pid 6483] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6484] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6483] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6484] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6483] <... futex resumed>) = 0 [pid 5863] <... openat resumed>) = 3 [pid 6484] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6483] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5863] ioctl(3, LOOP_CLR_FD) = 0 [pid 5863] close(3 [pid 6483] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6483] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6483] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f00000 [pid 6483] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE [pid 6484] <... open resumed>) = -1 EIO (Input/output error) [pid 6483] <... mprotect resumed>) = 0 [ 205.286122][ T6484] read_mapping_page failed! [ 205.290966][ T6484] ERROR: (device loop2): txCommit: [ 205.290966][ T6484] [pid 6483] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6484] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6483] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6483] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0} [pid 6484] <... futex resumed>) = 0 [pid 6484] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6483] <... clone3 resumed> => {parent_tid=[6488]}, 88) = 6488 [pid 6483] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 6488 attached [pid 6483] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6483] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5864] <... close resumed>) = 0 [pid 6488] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053) = 0 [pid 6488] set_robust_list(0x7f46d9f209a0, 24) = 0 [pid 6488] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6488] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x5) [pid 5864] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6489 attached [pid 6489] set_robust_list(0x555566de86a0, 24) = 0 [pid 6489] chdir("./45") = 0 [pid 6489] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6489] setpgid(0, 0) = 0 [pid 6489] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6489] write(3, "1000", 4) = 4 [pid 5864] <... clone resumed>, child_tidptr=0x555566de8690) = 6489 [pid 6489] close(3) = 0 [pid 6489] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6489] write(1, "executing program\n", 18) = 18 [pid 6489] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6489] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6489] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6489] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6483] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6483] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6484] <... futex resumed>) = 0 [pid 6483] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6484] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6489] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6489] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6489] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} [pid 6488] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6488] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6488] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 6490 attached [pid 6489] <... clone3 resumed> => {parent_tid=[6490]}, 88) = 6490 [pid 6489] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6490] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [ 205.387748][ T6488] read_mapping_page failed! [ 205.392473][ T6488] ERROR: (device loop2): txCommit: [ 205.392473][ T6488] [pid 6489] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6490] <... rseq resumed>) = 0 [pid 6489] <... futex resumed>) = 0 [pid 6490] set_robust_list(0x7f46d9f419a0, 24 [pid 6489] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6490] <... set_robust_list resumed>) = 0 [pid 6490] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6490] memfd_create("syzkaller", 0) = 3 [pid 6490] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 6487] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6484] <... openat resumed>) = -1 EIO (Input/output error) [pid 6484] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6483] <... futex resumed>) = 0 [pid 6483] exit_group(0 [pid 6488] <... futex resumed>) = ? [pid 6483] <... exit_group resumed>) = ? [pid 6488] +++ exited with 0 +++ [pid 6484] +++ exited with 0 +++ [pid 6483] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6483, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=31 /* 0.31 s */} --- [ 205.440560][ T6484] read_mapping_page failed! [ 205.447531][ T6484] ERROR: (device loop2): txCommit: [ 205.447531][ T6484] [pid 5865] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5865] umount2("./46", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./46", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5865] umount2("./46/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./46/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./46/binderfs") = 0 [pid 5865] umount2("./46/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5867] <... close resumed>) = 0 [pid 5865] <... umount2 resumed>) = 0 [pid 5863] <... close resumed>) = 0 [pid 5865] umount2("./46/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./46/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] umount2("./46/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./46/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5865] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5865] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5865] close(4) = 0 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5865] rmdir("./46/bus"./strace-static-x86_64: Process 6491 attached ) = 0 [pid 5865] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5863] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6491] set_robust_list(0x555566de86a0, 24) = 0 [pid 5865] close(3) = 0 [pid 6491] chdir("./46"./strace-static-x86_64: Process 6492 attached ) = 0 [pid 5865] rmdir("./46" [pid 6491] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6492] set_robust_list(0x555566de86a0, 24 [pid 6491] <... prctl resumed>) = 0 [pid 6492] <... set_robust_list resumed>) = 0 [ 205.574581][ T5865] [ 205.574581][ T5865] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 205.574581][ T5865] [ 205.601292][ T5865] [ 205.601292][ T5865] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 205.601292][ T5865] [pid 6492] chdir("./46" [pid 6491] setpgid(0, 0 [pid 5865] <... rmdir resumed>) = 0 [pid 6491] <... setpgid resumed>) = 0 [pid 6492] <... chdir resumed>) = 0 [pid 5867] <... clone resumed>, child_tidptr=0x555566de8690) = 6491 [pid 5865] mkdir("./47", 0777 [pid 6491] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5865] <... mkdir resumed>) = 0 [pid 5863] <... clone resumed>, child_tidptr=0x555566de8690) = 6492 [pid 6492] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5865] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5865] ioctl(3, LOOP_CLR_FD) = 0 [pid 5865] close(3 [pid 6492] <... prctl resumed>) = 0 [pid 6491] <... openat resumed>) = 3 [pid 6491] write(3, "1000", 4 [pid 6492] setpgid(0, 0 [pid 6491] <... write resumed>) = 4 [pid 6492] <... setpgid resumed>) = 0 [pid 6492] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6491] close(3 [pid 6492] <... openat resumed>) = 3 [pid 6491] <... close resumed>) = 0 [pid 6492] write(3, "1000", 4executing program [pid 6491] symlink("/dev/binderfs", "./binderfs" [pid 6492] <... write resumed>) = 4 [pid 6491] <... symlink resumed>) = 0 [pid 6492] close(3 [pid 6491] write(1, "executing program\n", 18 [pid 6492] <... close resumed>) = 0 [pid 6491] <... write resumed>) = 18 [pid 6492] symlink("/dev/binderfs", "./binderfs" [pid 6491] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6492] <... symlink resumed>) = 0 [pid 6491] <... futex resumed>) = 0 executing program [pid 6492] write(1, "executing program\n", 18 [pid 6491] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, [pid 6492] <... write resumed>) = 18 [pid 6491] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6492] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6491] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6492] <... futex resumed>) = 0 [pid 6491] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6492] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, [pid 6491] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6491] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE [pid 6492] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6491] <... mprotect resumed>) = 0 [pid 6492] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6491] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6492] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6491] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6492] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6491] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} [pid 6492] <... mmap resumed>) = 0x7f46d9f21000 ./strace-static-x86_64: Process 6493 attached [pid 6493] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6492] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE [pid 6491] <... clone3 resumed> => {parent_tid=[6493]}, 88) = 6493 [pid 6491] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6492] <... mprotect resumed>) = 0 [pid 6491] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6493] <... rseq resumed>) = 0 [pid 6493] set_robust_list(0x7f46d9f419a0, 24 [pid 6492] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6491] <... futex resumed>) = 0 [pid 6493] <... set_robust_list resumed>) = 0 [pid 6492] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6491] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6493] rt_sigprocmask(SIG_SETMASK, [], [pid 6492] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} [pid 6493] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6494 attached [pid 6493] memfd_create("syzkaller", 0) = 3 [pid 6492] <... clone3 resumed> => {parent_tid=[6494]}, 88) = 6494 [pid 6494] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053) = 0 [pid 6493] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6492] rt_sigprocmask(SIG_SETMASK, [], [pid 6494] set_robust_list(0x7f46d9f419a0, 24) = 0 [pid 6493] <... mmap resumed>) = 0x7f46d1a00000 [pid 6492] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6494] rt_sigprocmask(SIG_SETMASK, [], [pid 6492] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6494] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6494] memfd_create("syzkaller", 0 [pid 6492] <... futex resumed>) = 0 [pid 6494] <... memfd_create resumed>) = 3 [pid 6492] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6494] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 6487] <... write resumed>) = 16777216 [pid 6487] munmap(0x7f46d1a00000, 138412032) = 0 [pid 6487] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 6487] ioctl(4, LOOP_SET_FD, 3 [pid 6490] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6487] <... ioctl resumed>) = 0 [pid 6487] close(3) = 0 [pid 6487] close(4) = 0 [pid 6487] mkdir("./bus", 0777) = 0 [ 205.827985][ T6487] loop3: detected capacity change from 0 to 32768 [ 205.898935][ T6487] [ 205.898935][ T6487] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 205.898935][ T6487] [pid 6487] mount("/dev/loop3", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic,") = 0 [pid 6487] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6487] chdir("./bus") = 0 [pid 6487] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5865] <... close resumed>) = 0 [pid 6487] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6487] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6486] <... futex resumed>) = 0 [pid 6486] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6487] chdir("./file0" [pid 6486] <... futex resumed>) = 0 [pid 6486] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6487] <... chdir resumed>) = 0 [pid 6487] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6486] <... futex resumed>) = 0 [pid 6487] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6486] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6487] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6487] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6486] <... futex resumed>) = 0 [pid 6486] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6495 attached , child_tidptr=0x555566de8690) = 6495 [pid 6495] set_robust_list(0x555566de86a0, 24) = 0 [pid 6495] chdir("./47") = 0 [pid 6495] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6495] setpgid(0, 0) = 0 [pid 6495] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6495] write(3, "1000", 4) = 4 [pid 6495] close(3) = 0 [pid 6495] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6495] write(1, "executing program\n", 18) = 18 [pid 6495] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6495] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [ 205.992464][ T6487] read_mapping_page failed! [ 206.010613][ T6487] ERROR: (device loop3): txCommit: [ 206.010613][ T6487] [pid 6495] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6486] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6486] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6486] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f00000 [pid 6486] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6486] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6486] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0}./strace-static-x86_64: Process 6496 attached [pid 6496] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053 [pid 6486] <... clone3 resumed> => {parent_tid=[6496]}, 88) = 6496 [pid 6496] <... rseq resumed>) = 0 [pid 6486] rt_sigprocmask(SIG_SETMASK, [], [pid 6487] <... open resumed>) = -1 EIO (Input/output error) [pid 6496] set_robust_list(0x7f46d9f209a0, 24 [pid 6487] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6486] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6496] <... set_robust_list resumed>) = 0 [pid 6487] <... futex resumed>) = 0 [pid 6486] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6496] rt_sigprocmask(SIG_SETMASK, [], [pid 6487] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6486] <... futex resumed>) = 0 [pid 6496] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6486] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6496] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x7) [pid 6495] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6495] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6495] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6495] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} => {parent_tid=[6497]}, 88) = 6497 [pid 6495] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6495] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6495] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 6497 attached [pid 6494] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6497] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6496] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6497] <... rseq resumed>) = 0 [pid 6496] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6497] set_robust_list(0x7f46d9f419a0, 24 [pid 6496] <... futex resumed>) = 1 [pid 6486] <... futex resumed>) = 0 [pid 6497] <... set_robust_list resumed>) = 0 [pid 6496] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6486] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6497] rt_sigprocmask(SIG_SETMASK, [], [pid 6487] <... futex resumed>) = 0 [pid 6486] <... futex resumed>) = 1 [pid 6497] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6487] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6486] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 206.045337][ T6496] read_mapping_page failed! [ 206.049902][ T6496] ERROR: (device loop3): txCommit: [ 206.049902][ T6496] [pid 6497] memfd_create("syzkaller", 0) = 3 [pid 6497] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 6493] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6487] <... openat resumed>) = -1 EIO (Input/output error) [pid 6487] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6486] <... futex resumed>) = 0 [pid 6487] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6486] exit_group(0 [pid 6496] <... futex resumed>) = ? [pid 6487] <... futex resumed>) = ? [pid 6486] <... exit_group resumed>) = ? [pid 6496] +++ exited with 0 +++ [pid 6487] +++ exited with 0 +++ [pid 6486] +++ exited with 0 +++ [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6486, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=25 /* 0.25 s */} --- [pid 5866] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5866] umount2("./46", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] openat(AT_FDCWD, "./46", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5866] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5866] umount2("./46/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./46/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] unlink("./46/binderfs") = 0 [ 206.088273][ T6487] read_mapping_page failed! [ 206.093399][ T6487] ERROR: (device loop3): txCommit: [ 206.093399][ T6487] [pid 5866] umount2("./46/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 5866] umount2("./46/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./46/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] umount2("./46/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] openat(AT_FDCWD, "./46/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5866] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5866] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5866] close(4) = 0 [pid 5866] rmdir("./46/bus") = 0 [pid 5866] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5866] close(3) = 0 [pid 5866] rmdir("./46") = 0 [pid 5866] mkdir("./47", 0777) = 0 [pid 5866] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [ 206.144726][ T5866] [ 206.144726][ T5866] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 206.144726][ T5866] [ 206.163287][ T5866] [ 206.163287][ T5866] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 206.163287][ T5866] [pid 5866] ioctl(3, LOOP_CLR_FD) = 0 [pid 5866] close(3 [pid 6490] <... write resumed>) = 16777216 [pid 6490] munmap(0x7f46d1a00000, 138412032) = 0 [pid 6490] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 6490] ioctl(4, LOOP_SET_FD, 3) = 0 [ 206.310747][ T6490] loop1: detected capacity change from 0 to 32768 [pid 6490] close(3) = 0 [pid 6490] close(4) = 0 [pid 6490] mkdir("./bus", 0777) = 0 [pid 6490] mount("/dev/loop1", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6494] <... write resumed>) = 16777216 [pid 6494] munmap(0x7f46d1a00000, 138412032 [pid 6490] <... mount resumed>) = 0 [pid 6490] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6490] chdir("./bus") = 0 [pid 6490] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6490] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6490] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6489] <... futex resumed>) = 0 [pid 6489] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6490] <... futex resumed>) = 0 [pid 6489] <... futex resumed>) = 1 [pid 6490] chdir("./file0" [ 206.398852][ T6490] [ 206.398852][ T6490] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 206.398852][ T6490] [pid 6489] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6490] <... chdir resumed>) = 0 [pid 6497] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6490] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6490] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6489] <... futex resumed>) = 0 [pid 6489] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6489] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6494] <... munmap resumed>) = 0 [pid 6490] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6490] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6494] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 6494] ioctl(4, LOOP_SET_FD, 3 [pid 5866] <... close resumed>) = 0 [pid 6489] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6490] <... open resumed>) = -1 EIO (Input/output error) [pid 6489] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6489] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6490] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6489] <... mmap resumed>) = 0x7f46d9f00000 [pid 6490] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6494] <... ioctl resumed>) = 0 [pid 6489] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6489] <... mprotect resumed>) = 0 [pid 6494] close(3 [pid 6489] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6494] <... close resumed>) = 0 [pid 6489] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6494] close(4 [pid 6489] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0}./strace-static-x86_64: Process 6498 attached [pid 5866] <... clone resumed>, child_tidptr=0x555566de8690) = 6498 ./strace-static-x86_64: Process 6499 attached [pid 6498] set_robust_list(0x555566de86a0, 24 [pid 6494] <... close resumed>) = 0 [pid 6498] <... set_robust_list resumed>) = 0 [pid 6498] chdir("./47" [pid 6494] mkdir("./bus", 0777 [pid 6489] <... clone3 resumed> => {parent_tid=[6499]}, 88) = 6499 [pid 6498] <... chdir resumed>) = 0 [pid 6494] <... mkdir resumed>) = 0 [pid 6489] rt_sigprocmask(SIG_SETMASK, [], [pid 6498] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6494] mount("/dev/loop0", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6489] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6498] <... prctl resumed>) = 0 [pid 6489] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6498] setpgid(0, 0 [pid 6489] <... futex resumed>) = 0 [pid 6499] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053 [pid 6498] <... setpgid resumed>) = 0 [ 206.483568][ T6490] read_mapping_page failed! [ 206.488140][ T6490] ERROR: (device loop1): txCommit: [ 206.488140][ T6490] [ 206.504846][ T6494] loop0: detected capacity change from 0 to 32768 [pid 6489] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6499] <... rseq resumed>) = 0 [pid 6498] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6499] set_robust_list(0x7f46d9f209a0, 24) = 0 [pid 6499] rt_sigprocmask(SIG_SETMASK, [], [pid 6498] <... openat resumed>) = 3 [pid 6499] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6499] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x3) [pid 6498] write(3, "1000", 4) = 4 [pid 6498] close(3) = 0 [pid 6498] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6498] write(1, "executing program\n", 18executing program ) = 18 [pid 6499] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6498] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6499] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6498] <... futex resumed>) = 0 [pid 6489] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6499] <... futex resumed>) = 0 [pid 6489] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6498] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, [pid 6499] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6498] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6490] <... futex resumed>) = 0 [pid 6489] <... futex resumed>) = 1 [pid 6490] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [ 206.546025][ T6499] read_mapping_page failed! [ 206.550583][ T6499] ERROR: (device loop1): txCommit: [ 206.550583][ T6499] [ 206.573337][ T6494] [ 206.573337][ T6494] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 206.573337][ T6494] [pid 6489] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6493] <... write resumed>) = 16777216 [pid 6498] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6494] <... mount resumed>) = 0 [pid 6490] <... openat resumed>) = -1 EIO (Input/output error) [pid 6494] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6493] munmap(0x7f46d1a00000, 138412032 [pid 6490] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6498] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6494] <... openat resumed>) = 3 [pid 6498] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6494] chdir("./bus" [pid 6490] <... futex resumed>) = 1 [pid 6489] <... futex resumed>) = 0 [pid 6490] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6494] <... chdir resumed>) = 0 [pid 6489] exit_group(0 [pid 6494] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6499] <... futex resumed>) = ? [pid 6489] <... exit_group resumed>) = ? [pid 6499] +++ exited with 0 +++ [pid 6494] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6490] <... futex resumed>) = ? [pid 6494] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6498] <... mmap resumed>) = 0x7f46d9f21000 [pid 6498] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6498] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6494] <... futex resumed>) = 1 [pid 6492] <... futex resumed>) = 0 [pid 6490] +++ exited with 0 +++ [pid 6489] +++ exited with 0 +++ [pid 6494] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6492] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6489, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=25 /* 0.25 s */} --- [pid 6494] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6492] <... futex resumed>) = 0 [pid 5864] restart_syscall(<... resuming interrupted clone ...> [pid 6494] chdir("./file0" [pid 6492] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6498] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6498] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} [pid 6494] <... chdir resumed>) = 0 [pid 6494] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6500 attached ) = 1 [pid 6500] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6494] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6500] <... rseq resumed>) = 0 [pid 6500] set_robust_list(0x7f46d9f419a0, 24 [pid 6498] <... clone3 resumed> => {parent_tid=[6500]}, 88) = 6500 [pid 6492] <... futex resumed>) = 0 [pid 6500] <... set_robust_list resumed>) = 0 [pid 6498] rt_sigprocmask(SIG_SETMASK, [], [pid 6492] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] <... restart_syscall resumed>) = 0 [pid 6500] rt_sigprocmask(SIG_SETMASK, [], [pid 6498] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6494] <... futex resumed>) = 0 [pid 6492] <... futex resumed>) = 1 [pid 6500] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6498] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6494] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6492] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6498] <... futex resumed>) = 0 [pid 5864] umount2("./45", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6500] memfd_create("syzkaller", 0 [ 206.596923][ T6490] read_mapping_page failed! [ 206.601888][ T6490] ERROR: (device loop1): txCommit: [ 206.601888][ T6490] [ 206.636829][ T6494] read_mapping_page failed! [pid 6498] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5864] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6500] <... memfd_create resumed>) = 3 [pid 6500] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5864] openat(AT_FDCWD, "./45", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6500] <... mmap resumed>) = 0x7f46d1a00000 [pid 5864] <... openat resumed>) = 3 [pid 5864] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5864] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5864] umount2("./45/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] newfstatat(AT_FDCWD, "./45/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5864] unlink("./45/binderfs") = 0 [pid 5864] umount2("./45/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6493] <... munmap resumed>) = 0 [pid 6494] <... open resumed>) = -1 EIO (Input/output error) [pid 6494] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6492] <... futex resumed>) = 0 [pid 6494] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6493] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6492] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6494] <... futex resumed>) = 0 [pid 6492] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6493] <... openat resumed>) = 4 [pid 6493] ioctl(4, LOOP_SET_FD, 3 [ 206.646981][ T6494] ERROR: (device loop0): txCommit: [ 206.646981][ T6494] [ 206.667514][ T5864] [ 206.667514][ T5864] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 206.667514][ T5864] [ 206.684918][ T6493] loop4: detected capacity change from 0 to 32768 [ 206.692830][ T6494] read_mapping_page failed! [pid 6494] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x1) [pid 6493] <... ioctl resumed>) = 0 [pid 6493] close(3) = 0 [pid 6493] close(4) = 0 [pid 6493] mkdir("./bus", 0777) = 0 [pid 6493] mount("/dev/loop4", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6492] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6492] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6492] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f00000 [pid 6492] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6492] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6492] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0} => {parent_tid=[6501]}, 88) = 6501 [pid 6492] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6492] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6492] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6494] <... mknod resumed>) = -1 EIO (Input/output error) ./strace-static-x86_64: Process 6501 attached [pid 6494] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6501] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053) = 0 [pid 6501] set_robust_list(0x7f46d9f209a0, 24 [pid 6494] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6501] <... set_robust_list resumed>) = 0 [ 206.697718][ T5864] [ 206.697718][ T5864] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 206.697718][ T5864] [ 206.702740][ T6494] ERROR: (device loop0): txCommit: [ 206.702740][ T6494] [ 206.726765][ T6493] [ 206.726765][ T6493] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 206.726765][ T6493] [pid 6501] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6501] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 5864] <... umount2 resumed>) = 0 [pid 5864] umount2("./45/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] newfstatat(AT_FDCWD, "./45/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5864] umount2("./45/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] openat(AT_FDCWD, "./45/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5864] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5864] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5864] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5864] close(4) = 0 [pid 6493] <... mount resumed>) = 0 [pid 5864] rmdir("./45/bus" [pid 6493] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5864] <... rmdir resumed>) = 0 [pid 6493] <... openat resumed>) = 3 [pid 5864] getdents64(3, [pid 6493] chdir("./bus" [pid 5864] <... getdents64 resumed>0x555566de9730 /* 0 entries */, 32768) = 0 [pid 6493] <... chdir resumed>) = 0 [pid 5864] close(3 [pid 6493] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5864] <... close resumed>) = 0 [pid 6493] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5864] rmdir("./45" [pid 6493] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] <... rmdir resumed>) = 0 [pid 6493] <... futex resumed>) = 1 [pid 5864] mkdir("./46", 0777 [pid 6493] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6492] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5864] <... mkdir resumed>) = 0 [pid 6492] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 5864] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6492] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5864] <... openat resumed>) = 3 [pid 5864] ioctl(3, LOOP_CLR_FD [pid 6491] <... futex resumed>) = 0 [pid 5864] <... ioctl resumed>) = 0 [pid 6491] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] close(3 [pid 6491] <... futex resumed>) = 1 [pid 6501] <... openat resumed>) = -1 EIO (Input/output error) [pid 6493] <... futex resumed>) = 0 [pid 6491] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6493] chdir("./file0" [pid 6501] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 206.758992][ T6501] read_mapping_page failed! [ 206.776182][ T6501] ERROR: (device loop0): txCommit: [ 206.776182][ T6501] [pid 6492] exit_group(0 [pid 6494] <... futex resumed>) = ? [pid 6493] <... chdir resumed>) = 0 [pid 6492] <... exit_group resumed>) = ? [pid 6494] +++ exited with 0 +++ [pid 6501] +++ exited with 0 +++ [pid 6493] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6492] +++ exited with 0 +++ [pid 6493] <... futex resumed>) = 1 [pid 6491] <... futex resumed>) = 0 [pid 6493] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5863] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6492, si_uid=0, si_status=0, si_utime=11 /* 0.11 s */, si_stime=31 /* 0.31 s */} --- [pid 5863] restart_syscall(<... resuming interrupted clone ...> [pid 6491] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] <... restart_syscall resumed>) = 0 [pid 6493] <... futex resumed>) = 0 [pid 6491] <... futex resumed>) = 1 [pid 6493] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6491] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5863] umount2("./46", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] openat(AT_FDCWD, "./46", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5863] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5863] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5863] umount2("./46/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] newfstatat(AT_FDCWD, "./46/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5863] unlink("./46/binderfs") = 0 [pid 5863] umount2("./46/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6497] <... write resumed>) = 16777216 [pid 6493] <... open resumed>) = -1 EIO (Input/output error) [pid 6491] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6491] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6493] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6491] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6493] <... futex resumed>) = 0 [pid 6493] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6491] <... mmap resumed>) = 0x7f46d9f00000 [pid 6491] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6497] munmap(0x7f46d1a00000, 138412032 [ 206.829178][ T6493] read_mapping_page failed! [ 206.841969][ T6493] ERROR: (device loop4): txCommit: [ 206.841969][ T6493] [ 206.866084][ T5863] [ 206.866084][ T5863] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 206.866084][ T5863] [pid 6491] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6491] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0} => {parent_tid=[6502]}, 88) = 6502 [pid 6491] rt_sigprocmask(SIG_SETMASK, [], [pid 6497] <... munmap resumed>) = 0 [pid 6491] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6502 attached [pid 6502] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053 [pid 6491] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6502] <... rseq resumed>) = 0 [pid 6491] <... futex resumed>) = 0 [pid 6502] set_robust_list(0x7f46d9f209a0, 24 [pid 6491] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6502] <... set_robust_list resumed>) = 0 [pid 6502] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [ 206.894376][ T5863] [ 206.894376][ T5863] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 206.894376][ T5863] [pid 6502] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x9) [pid 6497] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5863] <... umount2 resumed>) = 0 [pid 6497] <... openat resumed>) = 4 [pid 5863] umount2("./46/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] newfstatat(AT_FDCWD, "./46/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5863] umount2("./46/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] openat(AT_FDCWD, "./46/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5863] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5863] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5863] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5863] close(4) = 0 [pid 5863] rmdir("./46/bus" [pid 6497] ioctl(4, LOOP_SET_FD, 3 [pid 5863] <... rmdir resumed>) = 0 [pid 5863] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5863] close(3) = 0 [pid 5863] rmdir("./46") = 0 [pid 5863] mkdir("./47", 0777) = 0 [pid 5863] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 6502] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6500] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6497] <... ioctl resumed>) = 0 [pid 5863] ioctl(3, LOOP_CLR_FD [pid 6502] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6491] <... futex resumed>) = 0 [pid 6502] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6491] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6497] close(3 [pid 6493] <... futex resumed>) = 0 [pid 6497] <... close resumed>) = 0 [pid 6491] <... futex resumed>) = 1 [pid 6497] close(4 [pid 6493] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6491] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6497] <... close resumed>) = 0 [pid 5863] <... ioctl resumed>) = 0 [ 206.935740][ T6502] read_mapping_page failed! [ 206.945426][ T6502] ERROR: (device loop4): txCommit: [ 206.945426][ T6502] [ 206.956815][ T6497] loop2: detected capacity change from 0 to 32768 [ 206.974401][ T6493] read_mapping_page failed! [ 206.979026][ T6493] ERROR: (device loop4): txCommit: [pid 5863] close(3 [pid 6497] mkdir("./bus", 0777) = 0 [pid 6497] mount("/dev/loop2", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6493] <... openat resumed>) = -1 EIO (Input/output error) [pid 6491] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 206.979026][ T6493] [pid 6493] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6491] exit_group(0 [pid 6493] ???( [pid 6491] <... exit_group resumed>) = ? [pid 6502] <... futex resumed>) = ? [pid 6493] <... ??? resumed>) = ? [pid 6493] +++ exited with 0 +++ [pid 6502] +++ exited with 0 +++ [pid 6491] +++ exited with 0 +++ [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6491, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=29 /* 0.29 s */} --- [pid 5867] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5867] umount2("./46", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./46", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5867] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [ 207.061304][ T6497] [ 207.061304][ T6497] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 207.061304][ T6497] [pid 5867] getdents64(3, [pid 6497] <... mount resumed>) = 0 [pid 5867] <... getdents64 resumed>0x555566de9730 /* 4 entries */, 32768) = 104 [pid 6497] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5867] umount2("./46/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6497] <... openat resumed>) = 3 [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6497] chdir("./bus" [pid 5867] newfstatat(AT_FDCWD, "./46/binderfs", [pid 6497] <... chdir resumed>) = 0 [pid 6497] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5867] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6497] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5867] unlink("./46/binderfs" [pid 6497] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] <... unlink resumed>) = 0 [pid 6497] <... futex resumed>) = 1 [pid 5867] umount2("./46/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6497] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6495] <... futex resumed>) = 0 [pid 6495] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6497] <... futex resumed>) = 0 [pid 6495] <... futex resumed>) = 1 [pid 6495] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6497] chdir("./file0" [pid 5864] <... close resumed>) = 0 [pid 5864] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6497] <... chdir resumed>) = 0 [pid 6497] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6495] <... futex resumed>) = 0 [pid 6497] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6495] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6497] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6495] <... futex resumed>) = 0 [pid 6497] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6495] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6503 attached [pid 6503] set_robust_list(0x555566de86a0, 24) = 0 [pid 6503] chdir("./46") = 0 [pid 6503] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6503] setpgid(0, 0) = 0 [pid 6503] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6503] write(3, "1000", 4) = 4 [pid 6503] close(3) = 0 [pid 6503] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6503] write(1, "executing program\n", 18executing program ) = 18 [pid 6503] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6503] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6503] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6503] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5864] <... clone resumed>, child_tidptr=0x555566de8690) = 6503 [pid 6503] <... mmap resumed>) = 0x7f46d9f21000 [pid 6497] <... open resumed>) = -1 EIO (Input/output error) [pid 6497] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6495] <... futex resumed>) = 0 [pid 6497] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6495] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6497] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6495] <... futex resumed>) = 0 [pid 6503] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE [pid 6497] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x5) [pid 6495] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6503] <... mprotect resumed>) = 0 [pid 6503] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6503] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0}./strace-static-x86_64: Process 6504 attached => {parent_tid=[6504]}, 88) = 6504 [pid 6503] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6503] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6503] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6504] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053) = 0 [pid 6504] set_robust_list(0x7f46d9f419a0, 24) = 0 [pid 6504] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6504] memfd_create("syzkaller", 0) = 3 [ 207.173834][ T5867] [ 207.173834][ T5867] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 207.173834][ T5867] [ 207.189835][ T6497] read_mapping_page failed! [ 207.195066][ T6497] ERROR: (device loop2): txCommit: [ 207.195066][ T6497] [ 207.204002][ T5867] [ 207.204002][ T5867] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 207.204002][ T5867] [ 207.218407][ T6497] read_mapping_page failed! [pid 6504] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 6497] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6497] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6495] <... futex resumed>) = 0 [pid 6495] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6495] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6497] <... futex resumed>) = 1 [ 207.222951][ T6497] ERROR: (device loop2): txCommit: [ 207.222951][ T6497] [pid 6497] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 5867] <... umount2 resumed>) = 0 [pid 6495] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5867] umount2("./46/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./46/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] umount2("./46/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./46/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5867] newfstatat(4, "", [pid 6497] <... openat resumed>) = -1 EIO (Input/output error) [pid 5867] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5867] getdents64(4, [pid 6497] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6497] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5867] <... getdents64 resumed>0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5867] close(4 [pid 6495] exit_group(0 [pid 5867] <... close resumed>) = 0 [pid 6495] <... exit_group resumed>) = ? [pid 6497] <... futex resumed>) = ? [pid 6497] +++ exited with 0 +++ [pid 6495] +++ exited with 0 +++ [pid 5867] rmdir("./46/bus" [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6495, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=32 /* 0.32 s */} --- [pid 5865] restart_syscall(<... resuming interrupted clone ...> [pid 5867] <... rmdir resumed>) = 0 [ 207.275039][ T6497] read_mapping_page failed! [ 207.279620][ T6497] ERROR: (device loop2): txCommit: [ 207.279620][ T6497] [pid 5867] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5867] close(3) = 0 [pid 5867] rmdir("./46") = 0 [pid 5867] mkdir("./47", 0777) = 0 [pid 5867] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5867] ioctl(3, LOOP_CLR_FD) = 0 [pid 5867] close(3 [pid 5863] <... close resumed>) = 0 [pid 5865] <... restart_syscall resumed>) = 0 [pid 5863] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5865] umount2("./47", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./47", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5865] umount2("./47/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./47/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./47/binderfs") = 0 [pid 5865] umount2("./47/bus", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6505 attached executing program [pid 6505] set_robust_list(0x555566de86a0, 24 [pid 5863] <... clone resumed>, child_tidptr=0x555566de8690) = 6505 [pid 6505] <... set_robust_list resumed>) = 0 [pid 6505] chdir("./47") = 0 [pid 6505] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6505] setpgid(0, 0) = 0 [pid 6505] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6505] write(3, "1000", 4) = 4 [pid 6505] close(3) = 0 [pid 6505] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6505] write(1, "executing program\n", 18) = 18 [pid 6505] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6505] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6505] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6505] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6505] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6505] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6505] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0}./strace-static-x86_64: Process 6506 attached => {parent_tid=[6506]}, 88) = 6506 [pid 6500] <... write resumed>) = 16777216 [pid 6506] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6505] rt_sigprocmask(SIG_SETMASK, [], [pid 6500] munmap(0x7f46d1a00000, 138412032 [pid 6506] <... rseq resumed>) = 0 [pid 6505] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6506] set_robust_list(0x7f46d9f419a0, 24 [pid 6505] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6506] <... set_robust_list resumed>) = 0 [pid 6505] <... futex resumed>) = 0 [pid 6506] rt_sigprocmask(SIG_SETMASK, [], [pid 6505] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6506] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6506] memfd_create("syzkaller", 0) = 3 [pid 6506] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 6500] <... munmap resumed>) = 0 [pid 6500] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [ 207.386801][ T5865] [ 207.386801][ T5865] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 207.386801][ T5865] [ 207.404854][ T5865] [ 207.404854][ T5865] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 207.404854][ T5865] [pid 6500] ioctl(4, LOOP_SET_FD, 3 [pid 5865] <... umount2 resumed>) = 0 [pid 5865] umount2("./47/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6500] <... ioctl resumed>) = 0 [pid 5865] newfstatat(AT_FDCWD, "./47/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] umount2("./47/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6500] close(3 [pid 5865] openat(AT_FDCWD, "./47/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6500] <... close resumed>) = 0 [pid 6500] close(4 [pid 5865] <... openat resumed>) = 4 [pid 6500] <... close resumed>) = 0 [pid 5865] newfstatat(4, "", [pid 6500] mkdir("./bus", 0777 [pid 5865] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6500] <... mkdir resumed>) = 0 [pid 5865] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5865] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 6500] mount("/dev/loop3", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 5865] close(4) = 0 [pid 5865] rmdir("./47/bus") = 0 [pid 5865] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./47") = 0 [pid 5865] mkdir("./48", 0777) = 0 [pid 5865] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5865] ioctl(3, LOOP_CLR_FD) = 0 [ 207.450253][ T6500] loop3: detected capacity change from 0 to 32768 [ 207.489712][ T6500] [ 207.489712][ T6500] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 207.489712][ T6500] [pid 5865] close(3 [pid 6500] <... mount resumed>) = 0 [pid 6500] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6500] chdir("./bus") = 0 [pid 6500] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6500] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6500] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6498] <... futex resumed>) = 0 [pid 6498] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6500] <... futex resumed>) = 0 [pid 6498] <... futex resumed>) = 1 [pid 6500] chdir("./file0" [pid 6498] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6500] <... chdir resumed>) = 0 [pid 6500] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6498] <... futex resumed>) = 0 [pid 6500] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6498] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6498] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6504] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6500] <... open resumed>) = -1 EIO (Input/output error) [pid 5867] <... close resumed>) = 0 [pid 6500] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6498] <... futex resumed>) = 0 [ 207.600695][ T6500] read_mapping_page failed! [ 207.618605][ T6500] ERROR: (device loop3): txCommit: [ 207.618605][ T6500] [pid 6500] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x7) [pid 6498] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6498] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6507 attached [pid 6507] set_robust_list(0x555566de86a0, 24) = 0 [pid 5867] <... clone resumed>, child_tidptr=0x555566de8690) = 6507 [pid 6507] chdir("./47") = 0 [pid 6507] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6507] setpgid(0, 0) = 0 [pid 6507] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6500] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6500] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6498] <... futex resumed>) = 0 [pid 6498] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6498] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6500] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6507] write(3, "1000", 4) = 4 [ 207.655715][ T6500] read_mapping_page failed! [ 207.660289][ T6500] ERROR: (device loop3): txCommit: [ 207.660289][ T6500] executing program [pid 6507] close(3) = 0 [pid 6507] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6507] write(1, "executing program\n", 18) = 18 [pid 6507] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6507] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6507] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6507] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6507] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6507] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6507] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} => {parent_tid=[6508]}, 88) = 6508 ./strace-static-x86_64: Process 6508 attached [pid 6507] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6507] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6507] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6508] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053) = 0 [pid 6508] set_robust_list(0x7f46d9f419a0, 24) = 0 [pid 6508] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6508] memfd_create("syzkaller", 0) = 3 [pid 6508] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 6500] <... openat resumed>) = -1 EIO (Input/output error) [pid 6500] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6498] <... futex resumed>) = 0 [pid 6498] exit_group(0) = ? [ 207.705919][ T6500] read_mapping_page failed! [ 207.710553][ T6500] ERROR: (device loop3): txCommit: [ 207.710553][ T6500] [pid 6500] +++ exited with 0 +++ [pid 6498] +++ exited with 0 +++ [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6498, si_uid=0, si_status=0, si_utime=13 /* 0.13 s */, si_stime=28 /* 0.28 s */} --- [pid 5866] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5866] umount2("./47", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] openat(AT_FDCWD, "./47", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5866] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5866] umount2("./47/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./47/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] unlink("./47/binderfs") = 0 [pid 5866] umount2("./47/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6506] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5865] <... close resumed>) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6509 attached [pid 5866] <... umount2 resumed>) = 0 [pid 5865] <... clone resumed>, child_tidptr=0x555566de8690) = 6509 [pid 5866] umount2("./47/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6509] set_robust_list(0x555566de86a0, 24 [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./47/bus", [pid 6509] <... set_robust_list resumed>) = 0 [pid 5866] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] umount2("./47/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6509] chdir("./48" [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6509] <... chdir resumed>) = 0 [pid 5866] openat(AT_FDCWD, "./47/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6509] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5866] <... openat resumed>) = 4 [pid 5866] newfstatat(4, "", [pid 6509] setpgid(0, 0) = 0 [pid 5866] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 6509] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5866] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5866] close(4 [pid 6509] <... openat resumed>) = 3 [pid 5866] <... close resumed>) = 0 [pid 6509] write(3, "1000", 4) = 4 [pid 5866] rmdir("./47/bus" [pid 6509] close(3) = 0 [pid 5866] <... rmdir resumed>) = 0 [pid 5866] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5866] close(3) = 0 [pid 6509] symlink("/dev/binderfs", "./binderfs" [pid 5866] rmdir("./47" [pid 6509] <... symlink resumed>) = 0 [pid 5866] <... rmdir resumed>) = 0 [ 207.794890][ T5866] [ 207.794890][ T5866] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 207.794890][ T5866] [ 207.817004][ T5866] [ 207.817004][ T5866] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 207.817004][ T5866] [pid 5866] mkdir("./48", 0777) = 0 [pid 6509] write(1, "executing program\n", 18 [pid 5866] openat(AT_FDCWD, "/dev/loop3", O_RDWRexecuting program [pid 6509] <... write resumed>) = 18 [pid 5866] <... openat resumed>) = 3 [pid 6509] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] ioctl(3, LOOP_CLR_FD [pid 6509] <... futex resumed>) = 0 [pid 5866] <... ioctl resumed>) = 0 [pid 6509] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, [pid 5866] close(3 [pid 6509] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6509] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6509] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6509] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6509] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6509] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0}./strace-static-x86_64: Process 6510 attached [pid 6510] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6509] <... clone3 resumed> => {parent_tid=[6510]}, 88) = 6510 [pid 6510] <... rseq resumed>) = 0 [pid 6510] set_robust_list(0x7f46d9f419a0, 24 [pid 6509] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6509] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6510] <... set_robust_list resumed>) = 0 [pid 6510] rt_sigprocmask(SIG_SETMASK, [], [pid 6509] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6510] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6510] memfd_create("syzkaller", 0) = 3 [pid 6510] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 6504] <... write resumed>) = 16777216 [pid 6504] munmap(0x7f46d1a00000, 138412032) = 0 [pid 6504] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 6504] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6504] close(3) = 0 [pid 6504] close(4) = 0 [pid 6504] mkdir("./bus", 0777) = 0 [pid 6504] mount("/dev/loop1", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6508] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6504] <... mount resumed>) = 0 [pid 6504] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [ 208.065685][ T6504] loop1: detected capacity change from 0 to 32768 [ 208.091752][ T6504] [ 208.091752][ T6504] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 208.091752][ T6504] [pid 6504] chdir("./bus") = 0 [pid 6504] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6504] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6503] <... futex resumed>) = 0 [pid 6504] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6503] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6504] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6504] chdir("./file0") = 0 [pid 6504] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6504] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL) = 0 [pid 6503] <... futex resumed>) = 1 [pid 6504] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6503] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6503] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6504] <... futex resumed>) = 0 [pid 6503] <... futex resumed>) = 1 [pid 6504] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6503] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6506] <... write resumed>) = 16777216 [pid 5866] <... close resumed>) = 0 [pid 6506] munmap(0x7f46d1a00000, 138412032 [pid 6504] <... open resumed>) = -1 EIO (Input/output error) [ 208.167082][ T6504] read_mapping_page failed! [ 208.171649][ T6504] ERROR: (device loop1): txCommit: [ 208.171649][ T6504] [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6504] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6503] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6504] <... futex resumed>) = 0 [pid 6503] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] <... clone resumed>, child_tidptr=0x555566de8690) = 6511 [pid 6504] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x3) [pid 6503] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6511 attached [pid 6503] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6511] set_robust_list(0x555566de86a0, 24) = 0 [pid 6511] chdir("./48") = 0 [pid 6511] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6511] setpgid(0, 0) = 0 [pid 6511] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6511] write(3, "1000", 4) = 4 [pid 6506] <... munmap resumed>) = 0 [pid 6511] close(3) = 0 [pid 6511] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6511] write(1, "executing program\n", 18 [pid 6504] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6511] <... write resumed>) = 18 [pid 6504] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6506] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6511] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6504] <... futex resumed>) = 1 [pid 6503] <... futex resumed>) = 0 [pid 6511] <... futex resumed>) = 0 [pid 6506] <... openat resumed>) = 4 [pid 6504] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6503] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6511] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, [pid 6506] ioctl(4, LOOP_SET_FD, 3 [pid 6503] <... futex resumed>) = 0 [pid 6511] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6503] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6511] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [ 208.232272][ T6504] read_mapping_page failed! [ 208.252320][ T6504] ERROR: (device loop1): txCommit: [ 208.252320][ T6504] [ 208.275469][ T6504] read_mapping_page failed! [pid 6511] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6511] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6511] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6506] <... ioctl resumed>) = 0 [pid 6511] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} [pid 6504] <... openat resumed>) = -1 EIO (Input/output error) [pid 6506] close(3) = 0 [pid 6511] <... clone3 resumed> => {parent_tid=[6512]}, 88) = 6512 [pid 6504] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6511] rt_sigprocmask(SIG_SETMASK, [], [pid 6504] <... futex resumed>) = 1 [pid 6503] <... futex resumed>) = 0 [pid 6511] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6506] close(4 [pid 6503] exit_group(0 [pid 6511] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6506] <... close resumed>) = 0 [pid 6503] <... exit_group resumed>) = ? [pid 6511] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6506] mkdir("./bus", 0777 [pid 6504] +++ exited with 0 +++ [pid 6506] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 6512 attached [pid 6503] +++ exited with 0 +++ [pid 6506] mount("/dev/loop0", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6512] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 5864] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6503, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=29 /* 0.29 s */} --- [pid 6512] <... rseq resumed>) = 0 [pid 5864] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 6512] set_robust_list(0x7f46d9f419a0, 24) = 0 [pid 5864] umount2("./46", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6512] rt_sigprocmask(SIG_SETMASK, [], [pid 5864] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6512] <... rt_sigprocmask resumed>NULL, 8) = 0 [ 208.280643][ T6506] loop0: detected capacity change from 0 to 32768 [ 208.287687][ T6504] ERROR: (device loop1): txCommit: [ 208.287687][ T6504] [pid 5864] openat(AT_FDCWD, "./46", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6512] memfd_create("syzkaller", 0 [pid 5864] <... openat resumed>) = 3 [pid 6512] <... memfd_create resumed>) = 3 [pid 6512] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 6510] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6506] <... mount resumed>) = 0 [pid 5864] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5864] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5864] umount2("./46/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6506] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5864] newfstatat(AT_FDCWD, "./46/binderfs", [pid 6506] <... openat resumed>) = 3 [pid 5864] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6506] chdir("./bus" [pid 5864] unlink("./46/binderfs") = 0 [pid 6506] <... chdir resumed>) = 0 [pid 5864] umount2("./46/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6506] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6506] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6505] <... futex resumed>) = 0 [pid 6506] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6505] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6506] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6506] chdir("./file0" [pid 6505] <... futex resumed>) = 0 [pid 6505] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6506] <... chdir resumed>) = 0 [pid 6506] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6505] <... futex resumed>) = 0 [pid 6506] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6505] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6506] <... futex resumed>) = 0 [pid 6505] <... futex resumed>) = 1 [pid 6506] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [ 208.329109][ T6506] [ 208.329109][ T6506] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 208.329109][ T6506] [ 208.362115][ T6506] read_mapping_page failed! [ 208.368640][ T6506] ERROR: (device loop0): txCommit: [ 208.368640][ T6506] [ 208.376860][ T5864] [pid 6505] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 6505] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 6505] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 6505] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 6505] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6505] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f00000 [pid 6505] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6505] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6505] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0} [pid 6506] <... open resumed>) = -1 EIO (Input/output error) [pid 6506] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6505] <... clone3 resumed> => {parent_tid=[6513]}, 88) = 6513 [pid 6506] <... futex resumed>) = 0 [pid 6505] rt_sigprocmask(SIG_SETMASK, [], [pid 6506] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6505] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6505] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6505] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6513 attached [pid 6513] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053) = 0 [pid 6513] set_robust_list(0x7f46d9f209a0, 24) = 0 [pid 6513] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [ 208.376860][ T5864] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 208.376860][ T5864] [ 208.403585][ T5864] [ 208.403585][ T5864] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 208.403585][ T5864] [ 208.418282][ T6513] read_mapping_page failed! [pid 6513] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x1) [pid 5864] <... umount2 resumed>) = 0 [pid 5864] umount2("./46/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] newfstatat(AT_FDCWD, "./46/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5864] umount2("./46/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] openat(AT_FDCWD, "./46/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5864] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5864] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5864] getdents64(4, [pid 6513] <... mknod resumed>) = -1 EIO (Input/output error) [pid 5864] <... getdents64 resumed>0x555566df1770 /* 0 entries */, 32768) = 0 [pid 6505] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6505] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [ 208.422943][ T6513] ERROR: (device loop0): txCommit: [ 208.422943][ T6513] [pid 5864] close(4 [pid 6513] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6506] <... futex resumed>) = 0 [pid 6505] <... futex resumed>) = 1 [pid 6506] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6505] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5864] <... close resumed>) = 0 [pid 6513] <... futex resumed>) = 0 [pid 6513] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5864] rmdir("./46/bus") = 0 [pid 5864] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5864] close(3) = 0 [pid 5864] rmdir("./46") = 0 [pid 5864] mkdir("./47", 0777) = 0 [pid 6506] <... openat resumed>) = -1 EIO (Input/output error) [pid 5864] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6506] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] <... openat resumed>) = 3 [pid 6506] <... futex resumed>) = 1 [pid 6505] <... futex resumed>) = 0 [pid 5864] ioctl(3, LOOP_CLR_FD [pid 6505] exit_group(0 [pid 6513] <... futex resumed>) = ? [pid 6505] <... exit_group resumed>) = ? [pid 5864] <... ioctl resumed>) = 0 [pid 6513] +++ exited with 0 +++ [pid 5864] close(3 [pid 6506] +++ exited with 0 +++ [pid 6505] +++ exited with 0 +++ [pid 5863] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6505, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=30 /* 0.30 s */} --- [pid 5863] umount2("./47", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] openat(AT_FDCWD, "./47", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5863] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5863] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5863] umount2("./47/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 208.473436][ T6506] read_mapping_page failed! [ 208.478119][ T6506] ERROR: (device loop0): txCommit: [ 208.478119][ T6506] [pid 5863] newfstatat(AT_FDCWD, "./47/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6508] <... write resumed>) = 16777216 [pid 5863] unlink("./47/binderfs") = 0 [pid 5863] umount2("./47/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6508] munmap(0x7f46d1a00000, 138412032) = 0 [ 208.573895][ T5863] [ 208.573895][ T5863] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 208.573895][ T5863] [ 208.593761][ T5863] [ 208.593761][ T5863] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 208.593761][ T5863] [pid 6508] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6512] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6508] <... openat resumed>) = 4 [pid 5863] <... umount2 resumed>) = 0 [pid 6508] ioctl(4, LOOP_SET_FD, 3 [pid 5863] umount2("./47/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] newfstatat(AT_FDCWD, "./47/bus", [pid 6508] <... ioctl resumed>) = 0 [pid 6508] close(3 [pid 5863] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5863] umount2("./47/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6508] <... close resumed>) = 0 [pid 5863] openat(AT_FDCWD, "./47/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6508] close(4) = 0 [pid 5863] <... openat resumed>) = 4 [pid 6508] mkdir("./bus", 0777 [pid 5863] newfstatat(4, "", [pid 6508] <... mkdir resumed>) = 0 [pid 6508] mount("/dev/loop4", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 5863] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5863] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5863] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5863] close(4) = 0 [ 208.669686][ T6508] loop4: detected capacity change from 0 to 32768 [pid 5863] rmdir("./47/bus") = 0 [pid 5863] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5863] close(3 [pid 6508] <... mount resumed>) = 0 [pid 5863] <... close resumed>) = 0 [pid 6508] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5863] rmdir("./47") = 0 [pid 5863] mkdir("./48", 0777) = 0 [pid 5863] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 6510] <... write resumed>) = 16777216 [pid 6508] <... openat resumed>) = 3 [pid 5863] ioctl(3, LOOP_CLR_FD [pid 6510] munmap(0x7f46d1a00000, 138412032 [pid 6508] chdir("./bus" [pid 5863] <... ioctl resumed>) = 0 [ 208.714955][ T6508] [ 208.714955][ T6508] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 208.714955][ T6508] [pid 5863] close(3 [pid 6508] <... chdir resumed>) = 0 [pid 6508] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6508] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6508] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6507] <... futex resumed>) = 0 [pid 6507] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6508] <... futex resumed>) = 0 [pid 6508] chdir("./file0") = 0 [pid 6508] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6508] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6507] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6510] <... munmap resumed>) = 0 [pid 6507] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6510] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 6507] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6507] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6508] <... futex resumed>) = 0 [pid 6508] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6510] ioctl(4, LOOP_SET_FD, 3 [pid 5864] <... close resumed>) = 0 [pid 5864] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6514 attached , child_tidptr=0x555566de8690) = 6514 [pid 6514] set_robust_list(0x555566de86a0, 24) = 0 [pid 6514] chdir("./47") = 0 [pid 6514] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6514] setpgid(0, 0) = 0 [pid 6514] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6510] <... ioctl resumed>) = 0 [pid 6510] close(3 [pid 6514] <... openat resumed>) = 3 [pid 6514] write(3, "1000", 4 [pid 6507] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6514] <... write resumed>) = 4 [pid 6507] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6514] close(3 [pid 6507] <... futex resumed>) = 0 [pid 6514] <... close resumed>) = 0 [pid 6507] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6514] symlink("/dev/binderfs", "./binderfs" [pid 6507] <... mmap resumed>) = 0x7f46d9f00000 [pid 6514] <... symlink resumed>) = 0 [pid 6510] <... close resumed>) = 0 [pid 6507] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6510] close(4 [pid 6507] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6507] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0} [pid 6510] <... close resumed>) = 0 [pid 6507] <... clone3 resumed> => {parent_tid=[6515]}, 88) = 6515 executing program ./strace-static-x86_64: Process 6515 attached [pid 6514] write(1, "executing program\n", 18 [pid 6510] mkdir("./bus", 0777 [pid 6507] rt_sigprocmask(SIG_SETMASK, [], [pid 6514] <... write resumed>) = 18 [pid 6507] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6514] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6507] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6514] <... futex resumed>) = 0 [pid 6510] <... mkdir resumed>) = 0 [pid 6508] <... open resumed>) = -1 EIO (Input/output error) [pid 6507] <... futex resumed>) = 0 [pid 6514] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, [pid 6507] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6514] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6510] mount("/dev/loop2", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6514] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6508] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6514] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6514] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6514] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6514] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6508] <... futex resumed>) = 0 [ 208.807768][ T6510] loop2: detected capacity change from 0 to 32768 [ 208.823810][ T6508] read_mapping_page failed! [ 208.828461][ T6508] ERROR: (device loop4): txCommit: [ 208.828461][ T6508] [pid 6514] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} [pid 6508] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6515] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053) = 0 [pid 6514] <... clone3 resumed> => {parent_tid=[6516]}, 88) = 6516 [pid 6515] set_robust_list(0x7f46d9f209a0, 24 [pid 6514] rt_sigprocmask(SIG_SETMASK, [], [pid 6515] <... set_robust_list resumed>) = 0 [pid 6514] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6515] rt_sigprocmask(SIG_SETMASK, [], [pid 6514] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6515] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6514] <... futex resumed>) = 0 [pid 6515] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x9) [pid 6514] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 6516 attached [pid 6516] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053) = 0 [pid 6516] set_robust_list(0x7f46d9f419a0, 24) = 0 [pid 6516] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6516] memfd_create("syzkaller", 0) = 3 [pid 6516] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6510] <... mount resumed>) = 0 [pid 6516] <... mmap resumed>) = 0x7f46d1a00000 [pid 6510] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6507] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6510] chdir("./bus" [pid 6507] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6510] <... chdir resumed>) = 0 [pid 6508] <... futex resumed>) = 0 [pid 6507] <... futex resumed>) = 1 [pid 6510] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6508] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6507] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6510] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6515] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6515] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6510] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6515] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6510] <... futex resumed>) = 1 [pid 6509] <... futex resumed>) = 0 [ 208.880208][ T6510] [ 208.880208][ T6510] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 208.880208][ T6510] [ 208.887031][ T6515] read_mapping_page failed! [ 208.917128][ T6515] ERROR: (device loop4): txCommit: [ 208.917128][ T6515] [pid 6509] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6510] chdir("./file0" [pid 6509] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6510] <... chdir resumed>) = 0 [pid 6510] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6509] <... futex resumed>) = 0 [pid 6509] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6510] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6509] <... futex resumed>) = 0 [pid 6509] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6507] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 208.955990][ T6508] read_mapping_page failed! [ 208.960563][ T6508] ERROR: (device loop4): txCommit: [ 208.960563][ T6508] [ 208.975818][ T6510] read_mapping_page failed! [pid 6508] <... openat resumed>) = -1 EIO (Input/output error) [pid 6508] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6507] exit_group(0 [pid 6515] <... futex resumed>) = ? [pid 6508] <... futex resumed>) = ? [pid 6507] <... exit_group resumed>) = ? [pid 6515] +++ exited with 0 +++ [pid 6508] +++ exited with 0 +++ [pid 6507] +++ exited with 0 +++ [pid 6510] <... open resumed>) = -1 EIO (Input/output error) [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6507, si_uid=0, si_status=0, si_utime=10 /* 0.10 s */, si_stime=29 /* 0.29 s */} --- [pid 6510] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6509] <... futex resumed>) = 0 [pid 6510] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6509] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6510] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6509] <... futex resumed>) = 0 [pid 6510] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x5) [pid 6509] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] umount2("./47", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6510] <... mknod resumed>) = -1 EIO (Input/output error) [pid 5867] openat(AT_FDCWD, "./47", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6510] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] <... openat resumed>) = 3 [pid 6510] <... futex resumed>) = 1 [pid 6509] <... futex resumed>) = 0 [pid 5867] newfstatat(3, "", [pid 6510] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6509] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6510] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6509] <... futex resumed>) = 0 [pid 5867] getdents64(3, [pid 6510] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6509] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] <... getdents64 resumed>0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5863] <... close resumed>) = 0 [pid 6512] <... write resumed>) = 16777216 [ 209.003453][ T6510] ERROR: (device loop2): txCommit: [ 209.003453][ T6510] [ 209.022774][ T6510] read_mapping_page failed! [ 209.034910][ T6510] ERROR: (device loop2): txCommit: [ 209.034910][ T6510] [pid 5867] umount2("./47/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6512] munmap(0x7f46d1a00000, 138412032 [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5863] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5867] newfstatat(AT_FDCWD, "./47/binderfs", ./strace-static-x86_64: Process 6517 attached {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6517] set_robust_list(0x555566de86a0, 24 [pid 5867] unlink("./47/binderfs" [pid 6517] <... set_robust_list resumed>) = 0 [pid 5867] <... unlink resumed>) = 0 [pid 6517] chdir("./48" [pid 6510] <... openat resumed>) = -1 EIO (Input/output error) [pid 5867] umount2("./47/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5863] <... clone resumed>, child_tidptr=0x555566de8690) = 6517 [pid 6510] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6509] <... futex resumed>) = 0 [pid 6510] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6509] exit_group(0 [pid 6517] <... chdir resumed>) = 0 [pid 6509] <... exit_group resumed>) = ? [pid 6510] <... futex resumed>) = ? [pid 6510] +++ exited with 0 +++ [pid 6509] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6509, si_uid=0, si_status=0, si_utime=12 /* 0.12 s */, si_stime=22 /* 0.22 s */} --- [pid 5865] restart_syscall(<... resuming interrupted clone ...> [pid 6517] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5865] <... restart_syscall resumed>) = 0 [pid 5865] umount2("./48", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./48", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5865] umount2("./48/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./48/binderfs", [pid 6517] <... prctl resumed>) = 0 [pid 5865] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./48/binderfs") = 0 [pid 5865] umount2("./48/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6517] setpgid(0, 0) = 0 [ 209.073964][ T6510] read_mapping_page failed! [ 209.082356][ T6510] ERROR: (device loop2): txCommit: [ 209.082356][ T6510] [ 209.112054][ T5867] [ 209.112054][ T5867] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 209.112054][ T5867] [pid 6517] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6517] write(3, "1000", 4 [pid 6512] <... munmap resumed>) = 0 [pid 6517] <... write resumed>) = 4 [pid 6517] close(3) = 0 [pid 6512] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6517] symlink("/dev/binderfs", "./binderfs" [pid 6512] <... openat resumed>) = 4 [pid 6517] <... symlink resumed>) = 0 [pid 6512] ioctl(4, LOOP_SET_FD, 3 [pid 6517] write(1, "executing program\n", 18 [pid 6512] <... ioctl resumed>) = 0 executing program [pid 6512] close(3 [pid 6517] <... write resumed>) = 18 [pid 6512] <... close resumed>) = 0 [pid 6512] close(4) = 0 [pid 6517] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6517] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, [pid 6512] mkdir("./bus", 0777 [pid 6517] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6512] <... mkdir resumed>) = 0 [pid 5867] <... umount2 resumed>) = 0 [pid 6512] mount("/dev/loop3", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6517] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5867] umount2("./47/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6517] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6517] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6517] <... mmap resumed>) = 0x7f46d9f21000 [pid 5867] newfstatat(AT_FDCWD, "./47/bus", [pid 6517] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE [pid 5867] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6517] <... mprotect resumed>) = 0 [pid 5867] umount2("./47/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6517] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6517] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5867] openat(AT_FDCWD, "./47/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6517] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} [pid 5867] <... openat resumed>) = 4 ./strace-static-x86_64: Process 6518 attached [pid 6517] <... clone3 resumed> => {parent_tid=[6518]}, 88) = 6518 [pid 5867] newfstatat(4, "", [pid 6518] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6517] rt_sigprocmask(SIG_SETMASK, [], [pid 6518] <... rseq resumed>) = 0 [pid 5867] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6517] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6518] set_robust_list(0x7f46d9f419a0, 24) = 0 [pid 6517] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] getdents64(4, [pid 6518] rt_sigprocmask(SIG_SETMASK, [], [pid 6517] <... futex resumed>) = 0 [pid 6518] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6517] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5867] <... getdents64 resumed>0x555566df1770 /* 2 entries */, 32768) = 48 [ 209.128081][ T5865] [ 209.128081][ T5865] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 209.128081][ T5865] [ 209.133217][ T5867] [ 209.133217][ T5867] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 209.133217][ T5867] [ 209.144982][ T5865] [ 209.144982][ T5865] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 209.144982][ T5865] [ 209.163793][ T6512] loop3: detected capacity change from 0 to 32768 [pid 6518] memfd_create("syzkaller", 0 [pid 6516] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5867] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5867] close(4 [pid 6518] <... memfd_create resumed>) = 3 [pid 5867] <... close resumed>) = 0 [pid 6518] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5867] rmdir("./47/bus" [pid 6518] <... mmap resumed>) = 0x7f46d1a00000 [pid 5867] <... rmdir resumed>) = 0 [pid 5867] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5867] close(3) = 0 [pid 5867] rmdir("./47" [pid 6512] <... mount resumed>) = 0 [pid 5867] <... rmdir resumed>) = 0 [pid 6512] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5867] mkdir("./48", 0777 [pid 6512] <... openat resumed>) = 3 [pid 6512] chdir("./bus" [pid 5867] <... mkdir resumed>) = 0 [pid 6512] <... chdir resumed>) = 0 [pid 6512] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6512] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] <... umount2 resumed>) = 0 [pid 6512] <... futex resumed>) = 1 [pid 6511] <... futex resumed>) = 0 [pid 6512] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6511] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5865] umount2("./48/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6512] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6511] <... futex resumed>) = 0 [pid 6512] chdir("./file0" [pid 6511] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] <... openat resumed>) = 3 [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6512] <... chdir resumed>) = 0 [pid 5867] ioctl(3, LOOP_CLR_FD [pid 5865] newfstatat(AT_FDCWD, "./48/bus", [pid 6512] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] <... ioctl resumed>) = 0 [pid 5865] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6512] <... futex resumed>) = 1 [pid 6511] <... futex resumed>) = 0 [pid 5867] close(3 [pid 5865] umount2("./48/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6512] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [ 209.192501][ T6512] [ 209.192501][ T6512] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 209.192501][ T6512] [pid 6511] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6512] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6511] <... futex resumed>) = 0 [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6512] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6511] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5865] openat(AT_FDCWD, "./48/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5865] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5865] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5865] close(4) = 0 [pid 5865] rmdir("./48/bus") = 0 [pid 5865] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5865] close(3 [pid 6512] <... open resumed>) = -1 EIO (Input/output error) [pid 5865] <... close resumed>) = 0 [pid 5865] rmdir("./48") = 0 [pid 6512] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] mkdir("./49", 0777 [pid 6512] <... futex resumed>) = 1 [pid 6511] <... futex resumed>) = 0 [pid 6512] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6511] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] <... mkdir resumed>) = 0 [pid 6511] <... futex resumed>) = 1 [pid 5865] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6511] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6512] <... futex resumed>) = 0 [pid 6512] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x7) [pid 5865] <... openat resumed>) = 3 [ 209.255674][ T6512] read_mapping_page failed! [ 209.260248][ T6512] ERROR: (device loop3): txCommit: [ 209.260248][ T6512] [pid 5865] ioctl(3, LOOP_CLR_FD) = 0 [pid 5865] close(3 [pid 6511] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6511] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6511] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6512] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6511] <... mmap resumed>) = 0x7f46d9f00000 [pid 6511] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6512] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6511] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6512] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6511] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6511] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0}./strace-static-x86_64: Process 6519 attached [ 209.300456][ T6512] read_mapping_page failed! [ 209.316829][ T6512] ERROR: (device loop3): txCommit: [ 209.316829][ T6512] [pid 6519] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053 [pid 6511] <... clone3 resumed> => {parent_tid=[6519]}, 88) = 6519 [pid 6511] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6511] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6519] <... rseq resumed>) = 0 [pid 6511] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6519] set_robust_list(0x7f46d9f209a0, 24) = 0 [pid 6519] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6519] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777) = -1 EIO (Input/output error) [pid 6519] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6511] <... futex resumed>) = 0 [pid 6519] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6511] exit_group(0 [pid 6519] <... futex resumed>) = ? [pid 6511] <... exit_group resumed>) = ? [pid 6519] +++ exited with 0 +++ [pid 6512] <... futex resumed>) = ? [pid 6512] +++ exited with 0 +++ [pid 6511] +++ exited with 0 +++ [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6511, si_uid=0, si_status=0, si_utime=9 /* 0.09 s */, si_stime=32 /* 0.32 s */} --- [ 209.392739][ T6519] read_mapping_page failed! [ 209.404075][ T6519] ERROR: (device loop3): txCommit: [ 209.404075][ T6519] [pid 5866] umount2("./48", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] openat(AT_FDCWD, "./48", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5866] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5866] umount2("./48/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./48/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] unlink("./48/binderfs") = 0 [pid 5866] umount2("./48/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5867] <... close resumed>) = 0 [ 209.506992][ T5866] [ 209.506992][ T5866] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 209.506992][ T5866] [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555566de8690) = 6520 ./strace-static-x86_64: Process 6520 attached [pid 6520] set_robust_list(0x555566de86a0, 24) = 0 [pid 6520] chdir("./48") = 0 [pid 6520] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6520] setpgid(0, 0) = 0 [pid 6520] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6520] write(3, "1000", 4) = 4 [pid 6520] close(3) = 0 [pid 6520] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6520] write(1, "executing program\n", 18executing program ) = 18 [pid 6520] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6520] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6520] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6520] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6520] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6520] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6520] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0}./strace-static-x86_64: Process 6521 attached [pid 5865] <... close resumed>) = 0 [pid 6521] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053) = 0 [pid 6520] <... clone3 resumed> => {parent_tid=[6521]}, 88) = 6521 [pid 6521] set_robust_list(0x7f46d9f419a0, 24 [pid 6520] rt_sigprocmask(SIG_SETMASK, [], [pid 6521] <... set_robust_list resumed>) = 0 [pid 6520] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6521] rt_sigprocmask(SIG_SETMASK, [], [pid 6520] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6521] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6520] <... futex resumed>) = 0 [pid 6521] memfd_create("syzkaller", 0 [pid 6520] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6521] <... memfd_create resumed>) = 3 [pid 6521] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6522 attached [pid 5866] <... umount2 resumed>) = 0 [ 209.548917][ T5866] [ 209.548917][ T5866] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 209.548917][ T5866] [pid 5866] umount2("./48/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6522] set_robust_list(0x555566de86a0, 24) = 0 [pid 6522] chdir("./49") = 0 [pid 6522] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6522] setpgid(0, 0) = 0 [pid 6522] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5865] <... clone resumed>, child_tidptr=0x555566de8690) = 6522 [pid 6522] <... openat resumed>) = 3 [pid 5866] newfstatat(AT_FDCWD, "./48/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6522] write(3, "1000", 4) = 4 [pid 5866] umount2("./48/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6522] close(3 [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6522] <... close resumed>) = 0 [pid 5866] openat(AT_FDCWD, "./48/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 6522] symlink("/dev/binderfs", "./binderfs" [pid 5866] newfstatat(4, "", executing program [pid 6522] <... symlink resumed>) = 0 [pid 5866] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(4, [pid 6522] write(1, "executing program\n", 18) = 18 [pid 6522] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6522] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6522] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6522] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6522] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6522] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6518] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5866] <... getdents64 resumed>0x555566df1770 /* 2 entries */, 32768) = 48 [pid 6522] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} [pid 6516] <... write resumed>) = 16777216 [pid 5866] getdents64(4, [pid 6522] <... clone3 resumed> => {parent_tid=[6523]}, 88) = 6523 [pid 6522] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 6523 attached [pid 6522] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6522] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6523] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053) = 0 [pid 6523] set_robust_list(0x7f46d9f419a0, 24) = 0 [pid 6523] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6523] memfd_create("syzkaller", 0) = 3 [pid 6523] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 6516] munmap(0x7f46d1a00000, 138412032 [pid 5866] <... getdents64 resumed>0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5866] close(4) = 0 [pid 5866] rmdir("./48/bus") = 0 [pid 5866] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5866] close(3) = 0 [pid 6516] <... munmap resumed>) = 0 [pid 5866] rmdir("./48") = 0 [pid 6516] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5866] mkdir("./49", 0777 [pid 6516] ioctl(4, LOOP_SET_FD, 3 [pid 5866] <... mkdir resumed>) = 0 [pid 6516] <... ioctl resumed>) = 0 [pid 5866] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6516] close(3 [pid 5866] <... openat resumed>) = 3 [pid 6516] <... close resumed>) = 0 [pid 5866] ioctl(3, LOOP_CLR_FD [pid 6516] close(4) = 0 [pid 5866] <... ioctl resumed>) = 0 [pid 6516] mkdir("./bus", 0777 [pid 5866] close(3 [pid 6516] <... mkdir resumed>) = 0 [ 209.705183][ T6516] loop1: detected capacity change from 0 to 32768 [pid 6516] mount("/dev/loop1", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic,") = 0 [pid 6516] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6516] chdir("./bus") = 0 [pid 6516] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6516] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6514] <... futex resumed>) = 0 [pid 6516] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6514] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6514] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6516] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6516] chdir("./file0") = 0 [ 209.774427][ T6516] [ 209.774427][ T6516] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 209.774427][ T6516] [pid 6516] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6514] <... futex resumed>) = 0 [pid 6516] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6514] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6514] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6516] <... open resumed>) = -1 EIO (Input/output error) [ 209.874145][ T6516] read_mapping_page failed! [ 209.878729][ T6516] ERROR: (device loop1): txCommit: [ 209.878729][ T6516] [pid 6516] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6514] <... futex resumed>) = 0 [pid 6516] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6514] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6516] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6514] <... futex resumed>) = 0 [pid 6516] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x3) [pid 6514] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6521] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6516] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6516] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6514] <... futex resumed>) = 0 [pid 6516] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6514] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6516] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6514] <... futex resumed>) = 0 [pid 6516] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [ 209.918463][ T6516] read_mapping_page failed! [ 209.937780][ T6516] ERROR: (device loop1): txCommit: [ 209.937780][ T6516] [ 209.971772][ T6516] read_mapping_page failed! [pid 6514] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6523] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6516] <... openat resumed>) = -1 EIO (Input/output error) [pid 5866] <... close resumed>) = 0 [pid 6516] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6514] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6516] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6514] exit_group(0 [pid 6516] <... futex resumed>) = ? [pid 6514] <... exit_group resumed>) = ? [pid 6516] +++ exited with 0 +++ [pid 6514] +++ exited with 0 +++ [pid 5864] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6514, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=27 /* 0.27 s */} --- [pid 5864] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5864] umount2("./47", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] openat(AT_FDCWD, "./47", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5864] newfstatat(3, "", [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5864] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6518] <... write resumed>) = 16777216 [pid 5864] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5864] umount2("./47/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6518] munmap(0x7f46d1a00000, 138412032 [pid 5864] newfstatat(AT_FDCWD, "./47/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5864] unlink("./47/binderfs"./strace-static-x86_64: Process 6524 attached [pid 6524] set_robust_list(0x555566de86a0, 24 [pid 5866] <... clone resumed>, child_tidptr=0x555566de8690) = 6524 [pid 5864] <... unlink resumed>) = 0 [pid 5864] umount2("./47/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6524] <... set_robust_list resumed>) = 0 [pid 6524] chdir("./49") = 0 [pid 6524] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6524] setpgid(0, 0) = 0 [pid 6524] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6524] write(3, "1000", 4) = 4 [pid 6524] close(3) = 0 [pid 6524] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6524] write(1, "executing program\n", 18) = 18 [pid 6524] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 209.992295][ T6516] ERROR: (device loop1): txCommit: [ 209.992295][ T6516] [pid 6524] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6524] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6518] <... munmap resumed>) = 0 [pid 6518] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6524] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6518] <... openat resumed>) = 4 [pid 6524] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6518] ioctl(4, LOOP_SET_FD, 3 [pid 6524] <... mmap resumed>) = 0x7f46d9f21000 [pid 6524] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6524] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6524] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} => {parent_tid=[6525]}, 88) = 6525 [pid 6524] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6524] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6524] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 6525 attached [pid 6525] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053) = 0 [pid 6525] set_robust_list(0x7f46d9f419a0, 24) = 0 [pid 6525] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6525] memfd_create("syzkaller", 0) = 3 [pid 6525] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 6518] <... ioctl resumed>) = 0 [pid 5864] <... umount2 resumed>) = 0 [pid 5864] umount2("./47/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] newfstatat(AT_FDCWD, "./47/bus", [pid 6518] close(3 [pid 5864] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6518] <... close resumed>) = 0 [pid 5864] umount2("./47/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6518] close(4 [pid 5864] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6518] <... close resumed>) = 0 [pid 5864] openat(AT_FDCWD, "./47/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6518] mkdir("./bus", 0777 [pid 5864] <... openat resumed>) = 4 [pid 6518] <... mkdir resumed>) = 0 [pid 5864] newfstatat(4, "", [pid 6518] mount("/dev/loop0", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 5864] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5864] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5864] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5864] close(4) = 0 [pid 5864] rmdir("./47/bus") = 0 [ 210.054001][ T5864] [ 210.054001][ T5864] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 210.054001][ T5864] [ 210.065553][ T5864] [ 210.065553][ T5864] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 210.065553][ T5864] [ 210.083746][ T6518] loop0: detected capacity change from 0 to 32768 [pid 5864] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5864] close(3) = 0 [pid 5864] rmdir("./47") = 0 [pid 5864] mkdir("./48", 0777) = 0 [pid 5864] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5864] ioctl(3, LOOP_CLR_FD) = 0 [ 210.184930][ T6518] [ 210.184930][ T6518] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 210.184930][ T6518] [pid 5864] close(3 [pid 6518] <... mount resumed>) = 0 [pid 6518] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6518] chdir("./bus") = 0 [pid 6518] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6518] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6517] <... futex resumed>) = 0 [pid 6518] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6517] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6518] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6518] chdir("./file0" [pid 6517] <... futex resumed>) = 0 [pid 6517] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6518] <... chdir resumed>) = 0 [pid 6518] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6517] <... futex resumed>) = 0 [pid 6517] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6518] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6517] <... futex resumed>) = 0 [pid 6517] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6518] <... open resumed>) = -1 EIO (Input/output error) [pid 6518] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6517] <... futex resumed>) = 0 [pid 6517] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6517] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 210.278273][ T6518] read_mapping_page failed! [ 210.282857][ T6518] ERROR: (device loop0): txCommit: [ 210.282857][ T6518] [pid 6518] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x1)) = -1 EIO (Input/output error) [pid 6521] <... write resumed>) = 16777216 [pid 6521] munmap(0x7f46d1a00000, 138412032 [pid 6518] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6517] <... futex resumed>) = 0 [pid 6518] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6517] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6518] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6517] <... futex resumed>) = 0 [pid 6518] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6517] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6521] <... munmap resumed>) = 0 [ 210.329551][ T6518] read_mapping_page failed! [ 210.334174][ T6518] ERROR: (device loop0): txCommit: [ 210.334174][ T6518] [ 210.367698][ T6518] read_mapping_page failed! [ 210.372507][ T6518] ERROR: (device loop0): txCommit: [ 210.372507][ T6518] [pid 6521] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 6518] <... openat resumed>) = -1 EIO (Input/output error) [pid 6521] ioctl(4, LOOP_SET_FD, 3 [pid 6518] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6521] <... ioctl resumed>) = 0 [pid 6518] <... futex resumed>) = 1 [pid 6517] <... futex resumed>) = 0 [pid 6521] close(3 [pid 6518] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6517] exit_group(0 [pid 6521] <... close resumed>) = 0 [pid 6518] <... futex resumed>) = ? [pid 6517] <... exit_group resumed>) = ? [pid 6521] close(4 [pid 6518] +++ exited with 0 +++ [pid 6521] <... close resumed>) = 0 [pid 6517] +++ exited with 0 +++ [pid 6521] mkdir("./bus", 0777 [pid 5863] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6517, si_uid=0, si_status=0, si_utime=10 /* 0.10 s */, si_stime=28 /* 0.28 s */} --- [pid 5863] restart_syscall(<... resuming interrupted clone ...> [pid 6521] <... mkdir resumed>) = 0 [pid 6521] mount("/dev/loop4", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 5863] <... restart_syscall resumed>) = 0 [pid 5863] umount2("./48", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] openat(AT_FDCWD, "./48", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5863] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [ 210.396036][ T6521] loop4: detected capacity change from 0 to 32768 [pid 5863] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5863] umount2("./48/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] newfstatat(AT_FDCWD, "./48/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5863] unlink("./48/binderfs") = 0 [pid 5863] umount2("./48/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6525] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6523] <... write resumed>) = 16777216 [ 210.437269][ T5863] [ 210.437269][ T5863] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 210.437269][ T5863] [ 210.451588][ T6521] [ 210.451588][ T6521] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 210.451588][ T6521] [pid 6523] munmap(0x7f46d1a00000, 138412032 [pid 5864] <... close resumed>) = 0 [pid 6521] <... mount resumed>) = 0 [pid 6521] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5864] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6526 attached [pid 6523] <... munmap resumed>) = 0 [pid 6521] <... openat resumed>) = 3 [pid 6526] set_robust_list(0x555566de86a0, 24 [pid 6521] chdir("./bus" [pid 6526] <... set_robust_list resumed>) = 0 [pid 6523] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6521] <... chdir resumed>) = 0 [pid 5864] <... clone resumed>, child_tidptr=0x555566de8690) = 6526 [pid 6526] chdir("./48" [pid 6521] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6526] <... chdir resumed>) = 0 [pid 6523] <... openat resumed>) = 4 [pid 6521] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6526] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6523] ioctl(4, LOOP_SET_FD, 3 [pid 6521] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6526] <... prctl resumed>) = 0 [pid 6521] <... futex resumed>) = 1 [pid 6520] <... futex resumed>) = 0 [pid 6521] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6526] setpgid(0, 0 [pid 6520] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6526] <... setpgid resumed>) = 0 [pid 6520] <... futex resumed>) = 1 [pid 6526] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6520] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6526] <... openat resumed>) = 3 [pid 6526] write(3, "1000", 4) = 4 [pid 6526] close(3) = 0 [pid 6526] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6526] write(1, "executing program\n", 18) = 18 [pid 6526] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6526] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6526] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6526] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6526] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6521] <... futex resumed>) = 0 [pid 6526] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6521] chdir("./file0" [pid 6526] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6526] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0}./strace-static-x86_64: Process 6527 attached [pid 6521] <... chdir resumed>) = 0 [pid 6526] <... clone3 resumed> => {parent_tid=[6527]}, 88) = 6527 [pid 6521] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6527] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6526] rt_sigprocmask(SIG_SETMASK, [], [pid 6527] <... rseq resumed>) = 0 [pid 6526] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6527] set_robust_list(0x7f46d9f419a0, 24 [pid 6526] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6527] <... set_robust_list resumed>) = 0 [pid 6526] <... futex resumed>) = 0 [pid 6527] rt_sigprocmask(SIG_SETMASK, [], [pid 6526] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6527] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6527] memfd_create("syzkaller", 0) = 3 [pid 6527] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 6521] <... futex resumed>) = 1 [pid 6520] <... futex resumed>) = 0 [pid 5863] <... umount2 resumed>) = 0 [pid 6521] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6520] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6520] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6523] <... ioctl resumed>) = 0 [pid 6521] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 210.480860][ T5863] [ 210.480860][ T5863] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 210.480860][ T5863] [ 210.511407][ T6523] loop2: detected capacity change from 0 to 32768 [pid 6521] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6523] close(3 [pid 6521] <... open resumed>) = -1 EIO (Input/output error) [pid 5863] umount2("./48/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6523] <... close resumed>) = 0 [pid 6521] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6523] close(4 [pid 6521] <... futex resumed>) = 1 [pid 6520] <... futex resumed>) = 0 [pid 5863] newfstatat(AT_FDCWD, "./48/bus", [pid 6523] <... close resumed>) = 0 [pid 6521] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6520] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6523] mkdir("./bus", 0777 [pid 6521] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6520] <... futex resumed>) = 0 [pid 5863] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6521] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x9) [ 210.535763][ T6521] read_mapping_page failed! [ 210.540321][ T6521] ERROR: (device loop4): txCommit: [ 210.540321][ T6521] [pid 6520] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6523] <... mkdir resumed>) = 0 [pid 5863] umount2("./48/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6523] mount("/dev/loop2", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6521] <... mknod resumed>) = -1 EIO (Input/output error) [pid 5863] openat(AT_FDCWD, "./48/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6521] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] <... openat resumed>) = 4 [pid 5863] newfstatat(4, "", [pid 6521] <... futex resumed>) = 1 [pid 6520] <... futex resumed>) = 0 [pid 5863] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6521] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5863] getdents64(4, [pid 6520] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] <... getdents64 resumed>0x555566df1770 /* 2 entries */, 32768) = 48 [pid 6521] <... futex resumed>) = 0 [pid 6520] <... futex resumed>) = 1 [pid 5863] getdents64(4, [pid 6521] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6520] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5863] <... getdents64 resumed>0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5863] close(4) = 0 [pid 5863] rmdir("./48/bus") = 0 [pid 5863] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5863] close(3) = 0 [pid 5863] rmdir("./48" [pid 6521] <... openat resumed>) = -1 EIO (Input/output error) [pid 5863] <... rmdir resumed>) = 0 [pid 6521] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] mkdir("./49", 0777 [pid 6521] <... futex resumed>) = 1 [pid 6520] <... futex resumed>) = 0 [pid 6520] exit_group(0) = ? [pid 5863] <... mkdir resumed>) = 0 [ 210.586752][ T6521] read_mapping_page failed! [ 210.591630][ T6521] ERROR: (device loop4): txCommit: [ 210.591630][ T6521] [ 210.611047][ T6521] read_mapping_page failed! [ 210.616330][ T6521] ERROR: (device loop4): txCommit: [ 210.616330][ T6521] [pid 6521] +++ exited with 0 +++ [pid 6520] +++ exited with 0 +++ [pid 5863] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6520, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=29 /* 0.29 s */} --- [pid 5863] <... openat resumed>) = 3 [pid 5863] ioctl(3, LOOP_CLR_FD [pid 5867] umount2("./48", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5863] <... ioctl resumed>) = 0 [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./48", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5867] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5867] umount2("./48/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5863] close(3 [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./48/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] unlink("./48/binderfs") = 0 [ 210.641124][ T6523] [ 210.641124][ T6523] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 210.641124][ T6523] [pid 5867] umount2("./48/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6523] <... mount resumed>) = 0 [pid 6523] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6523] chdir("./bus") = 0 [pid 6523] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6523] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6522] <... futex resumed>) = 0 [pid 6523] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6522] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6523] <... futex resumed>) = 0 [pid 6523] chdir("./file0" [pid 6522] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6523] <... chdir resumed>) = 0 [pid 6523] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6522] <... futex resumed>) = 0 [pid 6522] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6523] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6522] <... futex resumed>) = 0 [ 210.684638][ T5867] [ 210.684638][ T5867] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 210.684638][ T5867] [ 210.716142][ T5867] [ 210.716142][ T5867] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 210.716142][ T5867] [ 210.727340][ T6523] read_mapping_page failed! [pid 6522] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 6522] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] <... umount2 resumed>) = 0 [pid 6523] <... open resumed>) = -1 EIO (Input/output error) [pid 6522] <... futex resumed>) = 0 [pid 6523] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6522] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6523] <... futex resumed>) = 0 [pid 6522] <... mmap resumed>) = 0x7f46d9f00000 [pid 6523] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6522] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6522] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6522] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0} => {parent_tid=[6528]}, 88) = 6528 ./strace-static-x86_64: Process 6528 attached [pid 6522] rt_sigprocmask(SIG_SETMASK, [], [pid 5867] umount2("./48/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6522] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6522] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6522] <... futex resumed>) = 0 [pid 6522] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] newfstatat(AT_FDCWD, "./48/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 210.732119][ T6523] ERROR: (device loop2): txCommit: [ 210.732119][ T6523] [pid 6528] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053) = 0 [pid 6528] set_robust_list(0x7f46d9f209a0, 24 [pid 5867] umount2("./48/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6528] <... set_robust_list resumed>) = 0 [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6528] rt_sigprocmask(SIG_SETMASK, [], [pid 5867] openat(AT_FDCWD, "./48/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6528] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5867] <... openat resumed>) = 4 [pid 6528] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x5) [pid 5867] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5867] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5867] close(4) = 0 [pid 5867] rmdir("./48/bus") = 0 [pid 5867] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5867] close(3) = 0 [pid 5867] rmdir("./48") = 0 [pid 5867] mkdir("./49", 0777) = 0 [pid 5867] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5867] ioctl(3, LOOP_CLR_FD) = 0 [ 210.781080][ T6528] read_mapping_page failed! [pid 5867] close(3 [pid 6522] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6522] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6528] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6523] <... futex resumed>) = 0 [pid 6522] <... futex resumed>) = 1 [pid 6523] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [ 210.803304][ T6528] ERROR: (device loop2): txCommit: [ 210.803304][ T6528] [pid 6522] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6528] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6528] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6523] <... openat resumed>) = -1 EIO (Input/output error) [pid 6525] <... write resumed>) = 16777216 [pid 6523] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6525] munmap(0x7f46d1a00000, 138412032 [pid 6523] <... futex resumed>) = 1 [pid 6522] <... futex resumed>) = 0 [pid 6522] exit_group(0 [pid 6528] <... futex resumed>) = ? [pid 6522] <... exit_group resumed>) = ? [pid 6528] +++ exited with 0 +++ [pid 6523] +++ exited with 0 +++ [pid 6522] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6522, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=30 /* 0.30 s */} --- [ 210.847970][ T6523] read_mapping_page failed! [ 210.852543][ T6523] ERROR: (device loop2): txCommit: [ 210.852543][ T6523] [pid 5865] restart_syscall(<... resuming interrupted clone ...> [pid 6525] <... munmap resumed>) = 0 [pid 6525] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 5865] <... restart_syscall resumed>) = 0 [pid 5863] <... close resumed>) = 0 [pid 5865] umount2("./49", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./49", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 6525] ioctl(4, LOOP_SET_FD, 3 [pid 5863] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5865] umount2("./49/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./49/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./49/binderfs") = 0 [pid 5865] umount2("./49/bus", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6529 attached [pid 6525] <... ioctl resumed>) = 0 [pid 5863] <... clone resumed>, child_tidptr=0x555566de8690) = 6529 [pid 6529] set_robust_list(0x555566de86a0, 24 [pid 6525] close(3 [pid 6529] <... set_robust_list resumed>) = 0 [pid 6525] <... close resumed>) = 0 [pid 6525] close(4 [pid 6529] chdir("./49" [pid 6525] <... close resumed>) = 0 [pid 6529] <... chdir resumed>) = 0 [pid 6525] mkdir("./bus", 0777 [pid 6529] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6525] <... mkdir resumed>) = 0 [pid 6529] <... prctl resumed>) = 0 [pid 6525] mount("/dev/loop3", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6529] setpgid(0, 0) = 0 [pid 6529] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6527] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6529] <... openat resumed>) = 3 [pid 6529] write(3, "1000", 4) = 4 [pid 6529] close(3) = 0 [pid 6529] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6529] write(1, "executing program\n", 18) = 18 [pid 6529] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6529] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6529] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6529] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6529] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6529] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [ 210.926475][ T6525] loop3: detected capacity change from 0 to 32768 [ 210.935532][ T5865] [ 210.935532][ T5865] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 210.935532][ T5865] [ 210.962005][ T5865] [ 210.962005][ T5865] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 210.962005][ T5865] [pid 6529] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0}./strace-static-x86_64: Process 6530 attached => {parent_tid=[6530]}, 88) = 6530 [pid 6530] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 5865] <... umount2 resumed>) = 0 [pid 6530] <... rseq resumed>) = 0 [pid 6530] set_robust_list(0x7f46d9f419a0, 24 [pid 6529] rt_sigprocmask(SIG_SETMASK, [], [pid 6530] <... set_robust_list resumed>) = 0 [pid 6529] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6530] rt_sigprocmask(SIG_SETMASK, [], [pid 6529] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6530] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6529] <... futex resumed>) = 0 [pid 6525] <... mount resumed>) = 0 [pid 6530] memfd_create("syzkaller", 0 [pid 6529] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6525] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5865] umount2("./49/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6530] <... memfd_create resumed>) = 3 [pid 6525] chdir("./bus" [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6530] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6525] <... chdir resumed>) = 0 [pid 5865] newfstatat(AT_FDCWD, "./49/bus", [pid 6530] <... mmap resumed>) = 0x7f46d1a00000 [pid 6525] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5865] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6525] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5865] umount2("./49/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6525] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6525] <... futex resumed>) = 1 [pid 6525] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6524] <... futex resumed>) = 0 [pid 5865] openat(AT_FDCWD, "./49/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6524] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] <... openat resumed>) = 4 [pid 6524] <... futex resumed>) = 1 [pid 5865] newfstatat(4, "", [pid 6524] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5865] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5865] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5865] close(4) = 0 [pid 5865] rmdir("./49/bus") = 0 [pid 5865] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./49") = 0 [pid 5865] mkdir("./50", 0777) = 0 [pid 5865] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [ 211.001512][ T6525] [ 211.001512][ T6525] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 211.001512][ T6525] [pid 5865] ioctl(3, LOOP_CLR_FD) = 0 [pid 6525] <... futex resumed>) = 0 [pid 5865] close(3 [pid 6525] chdir("./file0") = 0 [pid 6525] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6524] <... futex resumed>) = 0 [pid 6525] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6524] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6525] <... futex resumed>) = 0 [pid 6524] <... futex resumed>) = 1 [pid 6524] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6525] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6524] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6524] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6524] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f00000 [pid 6524] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6524] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6524] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0} => {parent_tid=[6531]}, 88) = 6531 [pid 6524] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6524] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6524] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6531 attached [pid 6525] <... open resumed>) = -1 EIO (Input/output error) [pid 5867] <... close resumed>) = 0 [pid 6525] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6532 attached [pid 6525] <... futex resumed>) = 0 [pid 6531] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053) = 0 [pid 6525] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5867] <... clone resumed>, child_tidptr=0x555566de8690) = 6532 [pid 6532] set_robust_list(0x555566de86a0, 24 [pid 6531] set_robust_list(0x7f46d9f209a0, 24 [pid 6532] <... set_robust_list resumed>) = 0 [pid 6531] <... set_robust_list resumed>) = 0 [ 211.123992][ T6525] read_mapping_page failed! [ 211.128556][ T6525] ERROR: (device loop3): txCommit: [ 211.128556][ T6525] [pid 6531] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6531] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x7) [pid 6532] chdir("./49") = 0 [pid 6532] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6532] setpgid(0, 0) = 0 [pid 6532] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6532] write(3, "1000", 4 [pid 6524] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6532] <... write resumed>) = 4 [pid 6524] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6532] close(3 [pid 6525] <... futex resumed>) = 0 [pid 6524] <... futex resumed>) = 1 [pid 6532] <... close resumed>) = 0 [pid 6525] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6524] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6532] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6532] write(1, "executing program\n", 18) = 18 [pid 6532] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 211.184876][ T6531] read_mapping_page failed! [ 211.201304][ T6531] ERROR: (device loop3): txCommit: [ 211.201304][ T6531] [pid 6532] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6531] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6532] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6532] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6532] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6532] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6531] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6532] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} [pid 6531] <... futex resumed>) = 0 [pid 6531] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6525] <... openat resumed>) = -1 EIO (Input/output error) [pid 6532] <... clone3 resumed> => {parent_tid=[6533]}, 88) = 6533 [pid 6525] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6532] rt_sigprocmask(SIG_SETMASK, [], [pid 6525] <... futex resumed>) = 1 [pid 6532] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6525] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6532] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6532] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6524] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6533 attached [pid 6533] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6524] exit_group(0 [pid 6525] <... futex resumed>) = ? [pid 6533] <... rseq resumed>) = 0 [pid 6524] <... exit_group resumed>) = ? [pid 6531] <... futex resumed>) = ? [pid 6533] set_robust_list(0x7f46d9f419a0, 24 [pid 6531] +++ exited with 0 +++ [pid 6525] +++ exited with 0 +++ [pid 6524] +++ exited with 0 +++ [pid 6533] <... set_robust_list resumed>) = 0 [pid 6533] rt_sigprocmask(SIG_SETMASK, [], [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6524, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=33 /* 0.33 s */} --- [pid 6533] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6533] memfd_create("syzkaller", 0 [pid 5866] umount2("./49", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] openat(AT_FDCWD, "./49", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5866] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6533] <... memfd_create resumed>) = 3 [pid 5866] getdents64(3, [pid 6533] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5866] <... getdents64 resumed>0x555566de9730 /* 4 entries */, 32768) = 104 [pid 6533] <... mmap resumed>) = 0x7f46d1a00000 [pid 5866] umount2("./49/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./49/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] unlink("./49/binderfs") = 0 [ 211.244059][ T6525] read_mapping_page failed! [ 211.248699][ T6525] ERROR: (device loop3): txCommit: [ 211.248699][ T6525] [ 211.275316][ T5866] [ 211.275316][ T5866] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 211.275316][ T5866] [pid 5866] umount2("./49/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 5866] umount2("./49/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./49/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] umount2("./49/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] openat(AT_FDCWD, "./49/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5866] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5866] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5866] close(4) = 0 [pid 5866] rmdir("./49/bus") = 0 [pid 5866] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5866] close(3) = 0 [pid 5866] rmdir("./49") = 0 [pid 5866] mkdir("./50", 0777) = 0 [pid 5866] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5866] ioctl(3, LOOP_CLR_FD) = 0 [ 211.293368][ T5866] [ 211.293368][ T5866] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 211.293368][ T5866] [pid 5866] close(3 [pid 6527] <... write resumed>) = 16777216 [pid 6527] munmap(0x7f46d1a00000, 138412032) = 0 [pid 6527] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 6527] ioctl(4, LOOP_SET_FD, 3 [pid 5865] <... close resumed>) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6527] <... ioctl resumed>) = 0 [pid 6527] close(3) = 0 [pid 6527] close(4) = 0 [pid 6527] mkdir("./bus", 0777) = 0 [pid 5865] <... clone resumed>, child_tidptr=0x555566de8690) = 6534 ./strace-static-x86_64: Process 6534 attached [pid 6527] mount("/dev/loop1", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6534] set_robust_list(0x555566de86a0, 24) = 0 [pid 6534] chdir("./50") = 0 [pid 6534] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6534] setpgid(0, 0) = 0 [pid 6534] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program ) = 3 [pid 6534] write(3, "1000", 4) = 4 [pid 6534] close(3) = 0 [pid 6534] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6534] write(1, "executing program\n", 18) = 18 [pid 6534] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6534] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6534] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [ 211.415456][ T6527] loop1: detected capacity change from 0 to 32768 [pid 6534] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6534] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6534] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6534] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0}./strace-static-x86_64: Process 6535 attached => {parent_tid=[6535]}, 88) = 6535 [pid 6534] rt_sigprocmask(SIG_SETMASK, [], [pid 6535] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6534] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6535] <... rseq resumed>) = 0 [pid 6534] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6535] set_robust_list(0x7f46d9f419a0, 24 [pid 6534] <... futex resumed>) = 0 [pid 6534] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6535] <... set_robust_list resumed>) = 0 [pid 6535] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6535] memfd_create("syzkaller", 0 [pid 6530] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6535] <... memfd_create resumed>) = 3 [pid 6535] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 6527] <... mount resumed>) = 0 [pid 6527] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6527] chdir("./bus") = 0 [pid 6527] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [ 211.481150][ T6527] [ 211.481150][ T6527] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 211.481150][ T6527] [pid 6527] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6527] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6526] <... futex resumed>) = 0 [pid 6526] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6527] <... futex resumed>) = 0 [pid 6526] <... futex resumed>) = 1 [pid 6527] chdir("./file0" [pid 6526] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6527] <... chdir resumed>) = 0 [pid 6527] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6526] <... futex resumed>) = 0 [pid 6527] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6526] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6527] <... futex resumed>) = 0 [pid 6526] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 211.555373][ T6527] read_mapping_page failed! [pid 6527] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010) = -1 EIO (Input/output error) [pid 6527] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6526] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6527] <... futex resumed>) = 0 [pid 6527] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6526] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6527] <... futex resumed>) = 0 [pid 6526] <... futex resumed>) = 1 [pid 6527] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x3) [pid 6526] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6527] <... mknod resumed>) = -1 EIO (Input/output error) [ 211.581754][ T6527] ERROR: (device loop1): txCommit: [ 211.581754][ T6527] [ 211.616406][ T6527] read_mapping_page failed! [ 211.620974][ T6527] ERROR: (device loop1): txCommit: [ 211.620974][ T6527] [pid 5866] <... close resumed>) = 0 [pid 6527] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6526] <... futex resumed>) = 0 [pid 6527] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6526] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6526] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6536 attached [pid 6527] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6526] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}executing program [pid 6536] set_robust_list(0x555566de86a0, 24 [pid 6527] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6536] <... set_robust_list resumed>) = 0 [pid 6536] chdir("./50") = 0 [pid 6536] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6536] setpgid(0, 0) = 0 [pid 6536] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6536] write(3, "1000", 4) = 4 [pid 6536] close(3) = 0 [pid 6536] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5866] <... clone resumed>, child_tidptr=0x555566de8690) = 6536 [pid 6536] write(1, "executing program\n", 18) = 18 [pid 6536] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6536] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6536] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6536] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6536] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6536] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6536] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0}./strace-static-x86_64: Process 6537 attached => {parent_tid=[6537]}, 88) = 6537 [pid 6536] rt_sigprocmask(SIG_SETMASK, [], [pid 6537] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6536] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6533] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6537] <... rseq resumed>) = 0 [pid 6537] set_robust_list(0x7f46d9f419a0, 24 [pid 6536] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6537] <... set_robust_list resumed>) = 0 [pid 6536] <... futex resumed>) = 0 [pid 6537] rt_sigprocmask(SIG_SETMASK, [], [pid 6536] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6537] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6537] memfd_create("syzkaller", 0) = 3 [pid 6537] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 6527] <... openat resumed>) = -1 EIO (Input/output error) [pid 6527] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6526] <... futex resumed>) = 0 [pid 6527] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6526] exit_group(0 [pid 6527] <... futex resumed>) = ? [pid 6526] <... exit_group resumed>) = ? [ 211.678358][ T6527] read_mapping_page failed! [ 211.685756][ T6527] ERROR: (device loop1): txCommit: [ 211.685756][ T6527] [pid 6527] +++ exited with 0 +++ [pid 6526] +++ exited with 0 +++ [pid 5864] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6526, si_uid=0, si_status=0, si_utime=11 /* 0.11 s */, si_stime=32 /* 0.32 s */} --- [pid 5864] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5864] umount2("./48", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] openat(AT_FDCWD, "./48", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5864] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5864] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5864] umount2("./48/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] newfstatat(AT_FDCWD, "./48/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5864] unlink("./48/binderfs") = 0 [ 211.790433][ T5864] [ 211.790433][ T5864] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 211.790433][ T5864] [pid 5864] umount2("./48/bus", MNT_FORCE|UMOUNT_NOFOLLOW [ 211.833768][ T5864] [ 211.833768][ T5864] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 211.833768][ T5864] [pid 6535] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6530] <... write resumed>) = 16777216 [pid 5864] <... umount2 resumed>) = 0 [pid 5864] umount2("./48/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] newfstatat(AT_FDCWD, "./48/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5864] umount2("./48/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] openat(AT_FDCWD, "./48/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 6530] munmap(0x7f46d1a00000, 138412032 [pid 5864] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5864] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5864] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5864] close(4) = 0 [pid 5864] rmdir("./48/bus") = 0 [pid 5864] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5864] close(3 [pid 6530] <... munmap resumed>) = 0 [pid 5864] <... close resumed>) = 0 [pid 5864] rmdir("./48" [pid 6530] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5864] <... rmdir resumed>) = 0 [pid 6530] <... openat resumed>) = 4 [pid 6530] ioctl(4, LOOP_SET_FD, 3 [pid 5864] mkdir("./49", 0777) = 0 [pid 5864] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 6530] <... ioctl resumed>) = 0 [pid 5864] ioctl(3, LOOP_CLR_FD) = 0 [pid 5864] close(3 [pid 6530] close(3) = 0 [pid 6530] close(4) = 0 [pid 6530] mkdir("./bus", 0777) = 0 [ 211.950456][ T6530] loop0: detected capacity change from 0 to 32768 [pid 6530] mount("/dev/loop0", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6537] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6530] <... mount resumed>) = 0 [pid 6530] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [ 212.013781][ T6530] [ 212.013781][ T6530] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 212.013781][ T6530] [pid 6530] chdir("./bus") = 0 [pid 6530] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6530] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6529] <... futex resumed>) = 0 [pid 6530] chdir("./file0" [pid 6529] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6529] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6530] <... chdir resumed>) = 0 [pid 6530] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6530] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6529] <... futex resumed>) = 0 [pid 6529] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6530] <... futex resumed>) = 0 [pid 6529] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6530] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6533] <... write resumed>) = 16777216 [pid 6530] <... open resumed>) = -1 EIO (Input/output error) [pid 6529] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6529] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6533] munmap(0x7f46d1a00000, 138412032 [pid 6529] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6530] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 212.110684][ T6530] read_mapping_page failed! [ 212.120617][ T6530] ERROR: (device loop0): txCommit: [ 212.120617][ T6530] [pid 6530] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6533] <... munmap resumed>) = 0 [pid 6529] <... mmap resumed>) = 0x7f46d9f00000 [pid 6529] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6533] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6529] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6533] <... openat resumed>) = 4 [pid 6533] ioctl(4, LOOP_SET_FD, 3 [pid 6529] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6529] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0}./strace-static-x86_64: Process 6538 attached [pid 6538] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053 [pid 6529] <... clone3 resumed> => {parent_tid=[6538]}, 88) = 6538 [pid 6538] <... rseq resumed>) = 0 [pid 6529] rt_sigprocmask(SIG_SETMASK, [], [pid 6538] set_robust_list(0x7f46d9f209a0, 24 [pid 6529] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6538] <... set_robust_list resumed>) = 0 [pid 6529] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6538] rt_sigprocmask(SIG_SETMASK, [], [pid 6529] <... futex resumed>) = 0 [pid 6538] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6529] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6538] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x1) [pid 6533] <... ioctl resumed>) = 0 [pid 6533] close(3) = 0 [pid 6533] close(4) = 0 [pid 6533] mkdir("./bus", 0777) = 0 [pid 6533] mount("/dev/loop4", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6538] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6538] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6529] <... futex resumed>) = 0 [pid 6538] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6529] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6529] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6530] <... futex resumed>) = 0 [ 212.194456][ T6533] loop4: detected capacity change from 0 to 32768 [ 212.204566][ T6538] read_mapping_page failed! [ 212.209128][ T6538] ERROR: (device loop0): txCommit: [ 212.209128][ T6538] [ 212.220986][ T6533] [ 212.220986][ T6533] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 212.220986][ T6533] [pid 6530] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 5864] <... close resumed>) = 0 [pid 5864] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6539 attached , child_tidptr=0x555566de8690) = 6539 [pid 6533] <... mount resumed>) = 0 [pid 6533] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6539] set_robust_list(0x555566de86a0, 24 [pid 6533] <... openat resumed>) = 3 [pid 6533] chdir("./bus") = 0 [pid 6539] <... set_robust_list resumed>) = 0 [pid 6533] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6533] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6532] <... futex resumed>) = 0 [pid 6533] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6539] chdir("./49" [pid 6532] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6539] <... chdir resumed>) = 0 [pid 6535] <... write resumed>) = 16777216 [pid 6532] <... futex resumed>) = 1 [pid 6539] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6532] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6539] <... prctl resumed>) = 0 [pid 6539] setpgid(0, 0 [pid 6533] <... futex resumed>) = 0 [pid 6539] <... setpgid resumed>) = 0 [pid 6533] chdir("./file0" [pid 6539] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6533] <... chdir resumed>) = 0 [pid 6539] <... openat resumed>) = 3 [pid 6533] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6532] <... futex resumed>) = 0 [pid 6539] write(3, "1000", 4 [pid 6532] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6539] <... write resumed>) = 4 [pid 6532] <... futex resumed>) = 0 [pid 6539] close(3 [pid 6532] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6539] <... close resumed>) = 0 [pid 6535] munmap(0x7f46d1a00000, 138412032 [pid 6533] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6530] <... openat resumed>) = -1 EIO (Input/output error) [pid 6539] symlink("/dev/binderfs", "./binderfs" [pid 6530] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6529] <... futex resumed>) = 0 [pid 6539] <... symlink resumed>) = 0 [pid 6530] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [ 212.255799][ T6530] read_mapping_page failed! [ 212.260373][ T6530] ERROR: (device loop0): txCommit: [ 212.260373][ T6530] [pid 6529] exit_group(0executing program [pid 6539] write(1, "executing program\n", 18 [pid 6538] <... futex resumed>) = ? [pid 6530] <... futex resumed>) = ? [pid 6529] <... exit_group resumed>) = ? [pid 6539] <... write resumed>) = 18 [pid 6539] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6538] +++ exited with 0 +++ [pid 6539] <... futex resumed>) = 0 [pid 6539] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6530] +++ exited with 0 +++ [pid 6529] +++ exited with 0 +++ [pid 6539] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5863] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6529, si_uid=0, si_status=0, si_utime=9 /* 0.09 s */, si_stime=26 /* 0.26 s */} --- [pid 6539] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5863] restart_syscall(<... resuming interrupted clone ...> [pid 6539] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6539] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE [pid 6535] <... munmap resumed>) = 0 [pid 6532] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5863] <... restart_syscall resumed>) = 0 [pid 6532] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6535] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6539] <... mprotect resumed>) = 0 [pid 6533] <... open resumed>) = -1 EIO (Input/output error) [pid 6532] <... futex resumed>) = 0 [pid 6532] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [ 212.305320][ T6533] read_mapping_page failed! [ 212.309898][ T6533] ERROR: (device loop4): txCommit: [ 212.309898][ T6533] [pid 6539] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6537] <... write resumed>) = 16777216 [pid 6535] <... openat resumed>) = 4 [pid 6533] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] umount2("./49", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6539] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6537] munmap(0x7f46d1a00000, 138412032 [pid 6535] ioctl(4, LOOP_SET_FD, 3 [pid 6533] <... futex resumed>) = 0 [pid 6532] <... mmap resumed>) = 0x7f46d9f00000 [pid 6539] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} [pid 6533] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6532] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6540 attached [pid 6532] <... mprotect resumed>) = 0 [pid 5863] openat(AT_FDCWD, "./49", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6540] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6539] <... clone3 resumed> => {parent_tid=[6540]}, 88) = 6540 [pid 6532] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5863] <... openat resumed>) = 3 [pid 6540] <... rseq resumed>) = 0 [pid 5863] newfstatat(3, "", [pid 6540] set_robust_list(0x7f46d9f419a0, 24 [pid 6532] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6540] <... set_robust_list resumed>) = 0 [pid 6539] rt_sigprocmask(SIG_SETMASK, [], [pid 5863] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6540] rt_sigprocmask(SIG_SETMASK, [], [pid 6539] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6540] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6532] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0} [pid 5863] getdents64(3, [pid 6539] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6540] memfd_create("syzkaller", 0) = 3 [pid 6539] <... futex resumed>) = 0 [pid 5863] <... getdents64 resumed>0x555566de9730 /* 4 entries */, 32768) = 104 [pid 6540] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6539] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5863] umount2("./49/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6540] <... mmap resumed>) = 0x7f46d1a00000 ./strace-static-x86_64: Process 6541 attached [pid 6537] <... munmap resumed>) = 0 [pid 6535] <... ioctl resumed>) = 0 [pid 6532] <... clone3 resumed> => {parent_tid=[6541]}, 88) = 6541 [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6535] close(3 [pid 5863] newfstatat(AT_FDCWD, "./49/binderfs", [pid 6535] <... close resumed>) = 0 [pid 6532] rt_sigprocmask(SIG_SETMASK, [], [pid 6541] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053 [pid 6535] close(4 [pid 6532] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5863] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6541] <... rseq resumed>) = 0 [pid 6535] <... close resumed>) = 0 [pid 6532] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] unlink("./49/binderfs" [pid 6541] set_robust_list(0x7f46d9f209a0, 24 [pid 6535] mkdir("./bus", 0777 [pid 6532] <... futex resumed>) = 0 [pid 6541] <... set_robust_list resumed>) = 0 [pid 6535] <... mkdir resumed>) = 0 [pid 6532] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5863] <... unlink resumed>) = 0 [pid 6541] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6537] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5863] umount2("./49/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6541] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x9) [pid 6537] <... openat resumed>) = 4 [pid 6537] ioctl(4, LOOP_SET_FD, 3 [ 212.358237][ T6535] loop2: detected capacity change from 0 to 32768 [ 212.386565][ T6541] read_mapping_page failed! [ 212.391151][ T6541] ERROR: (device loop4): txCommit: [ 212.391151][ T6541] [ 212.400974][ T6537] loop3: detected capacity change from 0 to 32768 [pid 6535] mount("/dev/loop2", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6541] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6541] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6532] <... futex resumed>) = 0 [pid 6532] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6532] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6533] <... futex resumed>) = 0 [pid 6533] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6537] <... ioctl resumed>) = 0 [pid 6541] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6535] <... mount resumed>) = 0 [pid 6535] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6535] chdir("./bus") = 0 [pid 6535] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6535] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6535] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6537] close(3 [pid 6534] <... futex resumed>) = 0 [pid 6533] <... openat resumed>) = -1 EIO (Input/output error) [pid 6533] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6532] <... futex resumed>) = 0 [pid 6532] exit_group(0 [pid 6541] <... futex resumed>) = ? [pid 6532] <... exit_group resumed>) = ? [pid 6541] +++ exited with 0 +++ [pid 6533] <... futex resumed>) = ? [pid 6537] <... close resumed>) = 0 [pid 6534] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6537] close(4 [pid 6534] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6535] <... futex resumed>) = 0 [pid 6535] chdir("./file0" [pid 6537] <... close resumed>) = 0 [pid 6535] <... chdir resumed>) = 0 [pid 5863] <... umount2 resumed>) = 0 [pid 6537] mkdir("./bus", 0777 [pid 6535] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6535] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6537] <... mkdir resumed>) = 0 [pid 6534] <... futex resumed>) = 0 [pid 5863] umount2("./49/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6537] mount("/dev/loop3", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6534] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6535] <... futex resumed>) = 0 [pid 6534] <... futex resumed>) = 1 [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6535] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 5863] newfstatat(AT_FDCWD, "./49/bus", [ 212.404508][ T6535] [ 212.404508][ T6535] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 212.404508][ T6535] [ 212.418594][ T5863] [ 212.418594][ T5863] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 212.418594][ T5863] [ 212.420442][ T6533] read_mapping_page failed! [ 212.437408][ T6533] ERROR: (device loop4): txCommit: [ 212.437408][ T6533] [ 212.439880][ T5863] [ 212.439880][ T5863] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 212.439880][ T5863] [pid 6534] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5863] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5863] umount2("./49/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] openat(AT_FDCWD, "./49/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 6533] +++ exited with 0 +++ [pid 6532] +++ exited with 0 +++ [pid 5863] newfstatat(4, "", [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6532, si_uid=0, si_status=0, si_utime=11 /* 0.11 s */, si_stime=26 /* 0.26 s */} --- [pid 5863] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 5863] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5863] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5863] close(4) = 0 [pid 5863] rmdir("./49/bus") = 0 [pid 5863] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5863] close(3) = 0 [pid 5863] rmdir("./49") = 0 [pid 5863] mkdir("./50", 0777 [pid 5867] <... restart_syscall resumed>) = 0 [pid 5863] <... mkdir resumed>) = 0 [pid 5863] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5867] umount2("./49", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5863] <... openat resumed>) = 3 [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./49", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5863] ioctl(3, LOOP_CLR_FD [pid 5867] <... openat resumed>) = 3 [pid 5863] <... ioctl resumed>) = 0 [pid 5867] newfstatat(3, "", [pid 5863] close(3 [pid 5867] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5867] umount2("./49/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6534] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6534] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] newfstatat(AT_FDCWD, "./49/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 212.477710][ T6535] read_mapping_page failed! [ 212.489516][ T6535] ERROR: (device loop2): txCommit: [ 212.489516][ T6535] [ 212.491457][ T6537] [ 212.491457][ T6537] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 212.491457][ T6537] [pid 5867] unlink("./49/binderfs" [pid 6534] <... futex resumed>) = 0 [pid 5867] <... unlink resumed>) = 0 [pid 6534] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5867] umount2("./49/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6534] <... mmap resumed>) = 0x7f46d9f00000 [pid 6534] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6534] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6535] <... open resumed>) = -1 EIO (Input/output error) [pid 6535] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6535] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6534] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0}./strace-static-x86_64: Process 6542 attached [pid 6537] <... mount resumed>) = 0 [pid 6542] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053 [pid 6537] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6534] <... clone3 resumed> => {parent_tid=[6542]}, 88) = 6542 [pid 6542] <... rseq resumed>) = 0 [pid 6534] rt_sigprocmask(SIG_SETMASK, [], [pid 6537] <... openat resumed>) = 3 [pid 6542] set_robust_list(0x7f46d9f209a0, 24 [pid 6534] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6534] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6542] <... set_robust_list resumed>) = 0 [ 212.529840][ T5867] [ 212.529840][ T5867] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 212.529840][ T5867] [ 212.567030][ T5867] [ 212.567030][ T5867] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 212.567030][ T5867] [pid 6542] rt_sigprocmask(SIG_SETMASK, [], [pid 6537] chdir("./bus" [pid 6534] <... futex resumed>) = 0 [pid 6534] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6542] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6537] <... chdir resumed>) = 0 [pid 6542] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x5) [pid 6537] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5867] <... umount2 resumed>) = 0 [pid 6537] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6536] <... futex resumed>) = 0 [pid 6537] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6536] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6537] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6537] chdir("./file0" [pid 6536] <... futex resumed>) = 0 [pid 5867] umount2("./49/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6537] <... chdir resumed>) = 0 [pid 6536] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./49/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] umount2("./49/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./49/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5867] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5867] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5867] close(4) = 0 [pid 5867] rmdir("./49/bus") = 0 [pid 5867] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5867] close(3) = 0 [pid 5867] rmdir("./49") = 0 [pid 6542] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6537] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] mkdir("./50", 0777 [pid 6537] <... futex resumed>) = 1 [pid 6542] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6537] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6536] <... futex resumed>) = 0 [pid 5867] <... mkdir resumed>) = 0 [pid 5867] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6542] <... futex resumed>) = 1 [pid 6536] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6534] <... futex resumed>) = 0 [pid 5867] <... openat resumed>) = 3 [pid 5867] ioctl(3, LOOP_CLR_FD) = 0 [pid 5867] close(3 [pid 6542] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6537] <... futex resumed>) = 0 [pid 6536] <... futex resumed>) = 1 [pid 6534] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6537] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6536] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6534] <... futex resumed>) = 1 [pid 6535] <... futex resumed>) = 0 [pid 6535] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [ 212.603854][ T6542] read_mapping_page failed! [ 212.623775][ T6542] ERROR: (device loop2): txCommit: [ 212.623775][ T6542] [pid 6534] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6536] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6534] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6536] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6536] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f00000 [pid 6535] <... openat resumed>) = -1 EIO (Input/output error) [pid 6535] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6535] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6537] <... open resumed>) = -1 EIO (Input/output error) [pid 6537] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6537] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6534] exit_group(0 [pid 6536] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE [pid 6534] <... exit_group resumed>) = ? [pid 6542] <... futex resumed>) = ? [pid 6535] <... futex resumed>) = ? [pid 6542] +++ exited with 0 +++ [pid 6536] <... mprotect resumed>) = 0 [pid 6535] +++ exited with 0 +++ [pid 6536] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6536] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0} [pid 6534] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6534, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=29 /* 0.29 s */} --- [pid 6536] <... clone3 resumed> => {parent_tid=[6543]}, 88) = 6543 ./strace-static-x86_64: Process 6543 attached [ 212.651984][ T6535] read_mapping_page failed! [ 212.660271][ T6537] read_mapping_page failed! [ 212.673021][ T6535] ERROR: (device loop2): txCommit: [ 212.673021][ T6535] [ 212.686290][ T6537] ERROR: (device loop3): txCommit: [ 212.686290][ T6537] [pid 6536] rt_sigprocmask(SIG_SETMASK, [], [pid 5865] restart_syscall(<... resuming interrupted clone ...> [pid 6536] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6536] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] <... restart_syscall resumed>) = 0 [pid 6536] <... futex resumed>) = 0 [pid 6536] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6543] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053) = 0 [pid 6543] set_robust_list(0x7f46d9f209a0, 24) = 0 [pid 5865] umount2("./50", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6543] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6543] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x7) [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./50", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6543] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6540] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5865] <... openat resumed>) = 3 [pid 5865] newfstatat(3, "", [pid 6543] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6543] <... futex resumed>) = 1 [pid 6536] <... futex resumed>) = 0 [pid 6543] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5865] getdents64(3, [pid 6536] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5865] <... getdents64 resumed>0x555566de9730 /* 4 entries */, 32768) = 104 [pid 6536] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6537] <... futex resumed>) = 0 [ 212.737837][ T6543] read_mapping_page failed! [ 212.742398][ T6543] ERROR: (device loop3): txCommit: [ 212.742398][ T6543] [pid 6537] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 5865] umount2("./50/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./50/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./50/binderfs") = 0 [pid 5865] umount2("./50/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5863] <... close resumed>) = 0 [pid 6537] <... openat resumed>) = -1 EIO (Input/output error) [pid 5863] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6537] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6544 attached ) = 1 [pid 6536] <... futex resumed>) = 0 [pid 6544] set_robust_list(0x555566de86a0, 24 [pid 6537] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5863] <... clone resumed>, child_tidptr=0x555566de8690) = 6544 [pid 6544] <... set_robust_list resumed>) = 0 [pid 6536] exit_group(0) = ? [pid 6543] <... futex resumed>) = ? [pid 6537] <... futex resumed>) = ? [pid 6543] +++ exited with 0 +++ [ 212.787633][ T6537] read_mapping_page failed! [ 212.792208][ T6537] ERROR: (device loop3): txCommit: [ 212.792208][ T6537] [ 212.819291][ T5865] [ 212.819291][ T5865] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 212.819291][ T5865] [pid 6544] chdir("./50" [pid 6537] +++ exited with 0 +++ [pid 6536] +++ exited with 0 +++ [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6536, si_uid=0, si_status=0, si_utime=10 /* 0.10 s */, si_stime=28 /* 0.28 s */} --- [pid 6544] <... chdir resumed>) = 0 [pid 6544] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6544] setpgid(0, 0 [pid 5866] umount2("./50", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5865] <... umount2 resumed>) = 0 [pid 6544] <... setpgid resumed>) = 0 [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6544] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5866] openat(AT_FDCWD, "./50", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 6544] <... openat resumed>) = 3 [pid 5866] newfstatat(3, "", [pid 6544] write(3, "1000", 4) = 4 [pid 5866] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6544] close(3 [pid 5866] getdents64(3, [pid 6544] <... close resumed>) = 0 [pid 5866] <... getdents64 resumed>0x555566de9730 /* 4 entries */, 32768) = 104 [pid 6544] symlink("/dev/binderfs", "./binderfs" [pid 5866] umount2("./50/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6544] <... symlink resumed>) = 0 executing program [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6544] write(1, "executing program\n", 18 [pid 5866] newfstatat(AT_FDCWD, "./50/binderfs", [pid 6544] <... write resumed>) = 18 [pid 6544] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] umount2("./50/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6544] <... futex resumed>) = 0 [pid 5866] unlink("./50/binderfs" [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./50/bus", [pid 6544] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, [pid 5865] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] umount2("./50/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5866] <... unlink resumed>) = 0 [pid 6544] <... rt_sigaction resumed>NULL, 8) = 0 [ 212.844925][ T5865] [ 212.844925][ T5865] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 212.844925][ T5865] [pid 6544] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5866] umount2("./50/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6544] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./50/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6544] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5865] <... openat resumed>) = 4 [pid 5865] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6544] <... mmap resumed>) = 0x7f46d9f21000 [pid 5867] <... close resumed>) = 0 [pid 5865] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5865] getdents64(4, [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5865] <... getdents64 resumed>0x555566df1770 /* 0 entries */, 32768) = 0 [pid 6544] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE [pid 5865] close(4 [pid 6544] <... mprotect resumed>) = 0 [pid 5865] <... close resumed>) = 0 [pid 5865] rmdir("./50/bus" [pid 6544] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5865] <... rmdir resumed>) = 0 [pid 5865] getdents64(3, [pid 6544] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6544] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} [pid 5865] <... getdents64 resumed>0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 ./strace-static-x86_64: Process 6545 attached [pid 5865] rmdir("./50" [pid 6545] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6544] <... clone3 resumed> => {parent_tid=[6545]}, 88) = 6545 [pid 5865] <... rmdir resumed>) = 0 [pid 6544] rt_sigprocmask(SIG_SETMASK, [], [pid 6545] <... rseq resumed>) = 0 [pid 6544] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6544] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6545] set_robust_list(0x7f46d9f419a0, 24 [pid 6544] <... futex resumed>) = 0 [pid 6545] <... set_robust_list resumed>) = 0 [pid 6544] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6545] rt_sigprocmask(SIG_SETMASK, [], [pid 5867] <... clone resumed>, child_tidptr=0x555566de8690) = 6546 [pid 5865] mkdir("./51", 0777./strace-static-x86_64: Process 6546 attached [pid 6545] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6546] set_robust_list(0x555566de86a0, 24 [pid 6545] memfd_create("syzkaller", 0 [pid 5865] <... mkdir resumed>) = 0 [pid 6546] <... set_robust_list resumed>) = 0 [pid 6545] <... memfd_create resumed>) = 3 [pid 5865] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6546] chdir("./50" [pid 6545] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5866] <... umount2 resumed>) = 0 [pid 6546] <... chdir resumed>) = 0 [pid 6545] <... mmap resumed>) = 0x7f46d1a00000 [pid 5865] <... openat resumed>) = 3 [pid 5866] umount2("./50/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6546] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./50/bus", [pid 5865] ioctl(3, LOOP_CLR_FD [pid 6546] setpgid(0, 0 [pid 5866] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] <... ioctl resumed>) = 0 [pid 6546] <... setpgid resumed>) = 0 [pid 5866] umount2("./50/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5865] close(3 [pid 6546] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5866] openat(AT_FDCWD, "./50/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6546] <... openat resumed>) = 3 [pid 6546] write(3, "1000", 4 [pid 5866] <... openat resumed>) = 4 [pid 6546] <... write resumed>) = 4 [pid 5866] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [ 212.896149][ T5866] [ 212.896149][ T5866] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 212.896149][ T5866] [ 212.907397][ T5866] [ 212.907397][ T5866] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 212.907397][ T5866] [pid 6546] close(3 [pid 5866] getdents64(4, [pid 6546] <... close resumed>) = 0 [pid 5866] <... getdents64 resumed>0x555566df1770 /* 0 entries */, 32768) = 0 [pid 6546] symlink("/dev/binderfs", "./binderfs" [pid 5866] close(4) = 0 [pid 5866] rmdir("./50/bus") = 0 [pid 6546] <... symlink resumed>) = 0 [pid 5866] getdents64(3, executing program 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 6546] write(1, "executing program\n", 18) = 18 [pid 6546] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] close(3 [pid 6546] <... futex resumed>) = 0 [pid 5866] <... close resumed>) = 0 [pid 6546] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 5866] rmdir("./50" [pid 6546] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5866] <... rmdir resumed>) = 0 [pid 6546] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5866] mkdir("./51", 0777 [pid 6546] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6546] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6546] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5866] <... mkdir resumed>) = 0 [pid 6546] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0}./strace-static-x86_64: Process 6547 attached [pid 5866] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6547] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6546] <... clone3 resumed> => {parent_tid=[6547]}, 88) = 6547 [pid 6547] <... rseq resumed>) = 0 [pid 6546] rt_sigprocmask(SIG_SETMASK, [], [pid 5866] <... openat resumed>) = 3 [pid 6547] set_robust_list(0x7f46d9f419a0, 24 [pid 6546] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6547] <... set_robust_list resumed>) = 0 [pid 6546] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] ioctl(3, LOOP_CLR_FD [pid 6547] rt_sigprocmask(SIG_SETMASK, [], [pid 6546] <... futex resumed>) = 0 [pid 5866] <... ioctl resumed>) = 0 [pid 6547] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6546] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5866] close(3 [pid 6547] memfd_create("syzkaller", 0) = 3 [pid 6547] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 6540] <... write resumed>) = 16777216 [pid 6540] munmap(0x7f46d1a00000, 138412032) = 0 [pid 6540] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 6540] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6540] close(3) = 0 [pid 6540] close(4) = 0 [pid 6540] mkdir("./bus", 0777) = 0 [ 213.165124][ T6540] loop1: detected capacity change from 0 to 32768 [pid 6540] mount("/dev/loop1", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6545] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5865] <... close resumed>) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6548 attached [pid 6540] <... mount resumed>) = 0 [pid 6548] set_robust_list(0x555566de86a0, 24) = 0 [pid 5865] <... clone resumed>, child_tidptr=0x555566de8690) = 6548 [pid 6540] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6548] chdir("./51" [pid 6540] <... openat resumed>) = 3 [pid 6548] <... chdir resumed>) = 0 [pid 6548] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6540] chdir("./bus" [pid 6548] <... prctl resumed>) = 0 [pid 6540] <... chdir resumed>) = 0 [pid 6548] setpgid(0, 0 [pid 6540] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6548] <... setpgid resumed>) = 0 [pid 6540] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6548] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6540] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6539] <... futex resumed>) = 0 [pid 6539] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6539] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6540] <... futex resumed>) = 1 [pid 6540] chdir("./file0" [pid 6548] <... openat resumed>) = 3 [pid 6548] write(3, "1000", 4) = 4 [pid 6548] close(3) = 0 [pid 6548] symlink("/dev/binderfs", "./binderfs" [pid 6540] <... chdir resumed>) = 0 [pid 6540] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6539] <... futex resumed>) = 0 [pid 6540] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6539] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6548] <... symlink resumed>) = 0 [pid 6540] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6539] <... futex resumed>) = 0 [pid 6540] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010executing program [pid 6539] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6548] write(1, "executing program\n", 18) = 18 [ 213.231854][ T6540] [ 213.231854][ T6540] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 213.231854][ T6540] [pid 6548] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6548] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6548] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6548] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 5866] <... close resumed>) = 0 [pid 6548] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6548] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6548] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0}./strace-static-x86_64: Process 6549 attached => {parent_tid=[6549]}, 88) = 6549 [ 213.293895][ T6540] read_mapping_page failed! [ 213.298467][ T6540] ERROR: (device loop1): txCommit: [ 213.298467][ T6540] [pid 6540] <... open resumed>) = -1 EIO (Input/output error) [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6548] rt_sigprocmask(SIG_SETMASK, [], [pid 6540] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6548] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6540] <... futex resumed>) = 1 [pid 6539] <... futex resumed>) = 0 [pid 6540] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x3) [pid 6539] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6550 attached [pid 6548] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6550] set_robust_list(0x555566de86a0, 24 [pid 6548] <... futex resumed>) = 0 [pid 6539] <... futex resumed>) = 0 [pid 6550] <... set_robust_list resumed>) = 0 [pid 6548] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6550] chdir("./51" [pid 6539] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6550] <... chdir resumed>) = 0 [pid 5866] <... clone resumed>, child_tidptr=0x555566de8690) = 6550 [pid 6549] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053) = 0 [pid 6549] set_robust_list(0x7f46d9f419a0, 24 [pid 6550] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6549] <... set_robust_list resumed>) = 0 [pid 6549] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6549] memfd_create("syzkaller", 0) = 3 [pid 6549] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 6550] <... prctl resumed>) = 0 [pid 6550] setpgid(0, 0) = 0 [pid 6550] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6540] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6540] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6539] <... futex resumed>) = 0 [pid 6539] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6550] <... openat resumed>) = 3 [pid 6550] write(3, "1000", 4 [pid 6539] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6550] <... write resumed>) = 4 [pid 6550] close(3 [pid 6540] <... futex resumed>) = 1 [pid 6550] <... close resumed>) = 0 [pid 6550] symlink("/dev/binderfs", "./binderfs" [pid 6540] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777executing program [pid 6550] <... symlink resumed>) = 0 [pid 6550] write(1, "executing program\n", 18) = 18 [pid 6550] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 213.337042][ T6540] read_mapping_page failed! [ 213.341608][ T6540] ERROR: (device loop1): txCommit: [ 213.341608][ T6540] [ 213.375492][ T6540] read_mapping_page failed! [ 213.380058][ T6540] ERROR: (device loop1): txCommit: [ 213.380058][ T6540] [pid 6550] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6550] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6550] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6550] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6550] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6550] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0}./strace-static-x86_64: Process 6551 attached [pid 6551] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6550] <... clone3 resumed> => {parent_tid=[6551]}, 88) = 6551 [pid 6547] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6550] rt_sigprocmask(SIG_SETMASK, [], [pid 6551] <... rseq resumed>) = 0 [pid 6551] set_robust_list(0x7f46d9f419a0, 24 [pid 6550] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6551] <... set_robust_list resumed>) = 0 [pid 6550] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6551] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6551] memfd_create("syzkaller", 0 [pid 6539] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6540] <... openat resumed>) = -1 EIO (Input/output error) [pid 6551] <... memfd_create resumed>) = 3 [pid 6550] <... futex resumed>) = 0 [pid 6540] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6550] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6551] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6540] <... futex resumed>) = 0 [pid 6551] <... mmap resumed>) = 0x7f46d1a00000 [pid 6540] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6539] exit_group(0 [pid 6540] <... futex resumed>) = ? [pid 6539] <... exit_group resumed>) = ? [pid 6540] +++ exited with 0 +++ [pid 6539] +++ exited with 0 +++ [pid 5864] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6539, si_uid=0, si_status=0, si_utime=9 /* 0.09 s */, si_stime=28 /* 0.28 s */} --- [pid 5864] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5864] umount2("./49", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] openat(AT_FDCWD, "./49", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5864] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5864] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5864] umount2("./49/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] newfstatat(AT_FDCWD, "./49/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5864] unlink("./49/binderfs") = 0 [ 213.483559][ T5864] [ 213.483559][ T5864] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 213.483559][ T5864] [ 213.513789][ T5864] [ 213.513789][ T5864] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 213.513789][ T5864] [pid 5864] umount2("./49/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 5864] umount2("./49/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] newfstatat(AT_FDCWD, "./49/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5864] umount2("./49/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] openat(AT_FDCWD, "./49/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5864] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5864] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5864] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5864] close(4) = 0 [pid 5864] rmdir("./49/bus") = 0 [pid 5864] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5864] close(3) = 0 [pid 5864] rmdir("./49") = 0 [pid 6545] <... write resumed>) = 16777216 [pid 6545] munmap(0x7f46d1a00000, 138412032 [pid 5864] mkdir("./50", 0777) = 0 [pid 5864] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5864] ioctl(3, LOOP_CLR_FD) = 0 [pid 5864] close(3 [pid 6545] <... munmap resumed>) = 0 [pid 6545] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 6545] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6545] close(3) = 0 [pid 6545] close(4) = 0 [ 213.654317][ T6545] loop0: detected capacity change from 0 to 32768 [pid 6545] mkdir("./bus", 0777) = 0 [pid 6545] mount("/dev/loop0", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6549] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6551] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6545] <... mount resumed>) = 0 [pid 6545] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6545] chdir("./bus") = 0 [pid 6545] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6545] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6545] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6544] <... futex resumed>) = 0 [pid 6544] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6545] <... futex resumed>) = 0 [pid 6544] <... futex resumed>) = 1 [pid 6545] chdir("./file0" [ 213.731147][ T6545] [ 213.731147][ T6545] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 213.731147][ T6545] [pid 6544] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6545] <... chdir resumed>) = 0 [pid 6545] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6544] <... futex resumed>) = 0 [pid 6545] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6544] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6544] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6547] <... write resumed>) = 16777216 [pid 6547] munmap(0x7f46d1a00000, 138412032 [pid 6545] <... open resumed>) = -1 EIO (Input/output error) [pid 6545] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6545] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6547] <... munmap resumed>) = 0 [pid 6544] <... futex resumed>) = 0 [pid 6547] openat(AT_FDCWD, "/dev/loop4", O_RDWR [ 213.793209][ T6545] read_mapping_page failed! [ 213.803086][ T6545] ERROR: (device loop0): txCommit: [ 213.803086][ T6545] [pid 6544] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6547] <... openat resumed>) = 4 [pid 6545] <... futex resumed>) = 0 [pid 6544] <... futex resumed>) = 1 [pid 6547] ioctl(4, LOOP_SET_FD, 3 [pid 6545] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x1) [pid 6544] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6547] <... ioctl resumed>) = 0 [pid 6547] close(3) = 0 [pid 6547] close(4) = 0 [pid 6545] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6545] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 213.849472][ T6545] read_mapping_page failed! [ 213.855215][ T6547] loop4: detected capacity change from 0 to 32768 [ 213.861971][ T6545] ERROR: (device loop0): txCommit: [ 213.861971][ T6545] [pid 6545] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6547] mkdir("./bus", 0777 [pid 6544] <... futex resumed>) = 0 [pid 6547] <... mkdir resumed>) = 0 [pid 6544] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6544] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6545] <... futex resumed>) = 0 [pid 6545] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6547] mount("/dev/loop4", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 5864] <... close resumed>) = 0 [pid 5864] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555566de8690) = 6552 ./strace-static-x86_64: Process 6552 attached [pid 6552] set_robust_list(0x555566de86a0, 24) = 0 [pid 6545] <... openat resumed>) = -1 EIO (Input/output error) [pid 6552] chdir("./50" [pid 6545] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6552] <... chdir resumed>) = 0 [pid 6545] <... futex resumed>) = 1 [pid 6544] <... futex resumed>) = 0 [pid 6552] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6545] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6544] exit_group(0 [pid 6552] <... prctl resumed>) = 0 [pid 6545] <... futex resumed>) = ? [pid 6544] <... exit_group resumed>) = ? [pid 6552] setpgid(0, 0 [pid 6545] +++ exited with 0 +++ [pid 6552] <... setpgid resumed>) = 0 [pid 6552] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6547] <... mount resumed>) = 0 [pid 6552] <... openat resumed>) = 3 [pid 6547] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6552] write(3, "1000", 4 [pid 6547] <... openat resumed>) = 3 [pid 6544] +++ exited with 0 +++ [pid 6552] <... write resumed>) = 4 [pid 6547] chdir("./bus" [pid 6552] close(3 [pid 6547] <... chdir resumed>) = 0 [pid 6552] <... close resumed>) = 0 [pid 5863] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6544, si_uid=0, si_status=0, si_utime=9 /* 0.09 s */, si_stime=31 /* 0.31 s */} --- [pid 6552] symlink("/dev/binderfs", "./binderfs" [pid 6547] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5863] restart_syscall(<... resuming interrupted clone ...> [pid 6552] <... symlink resumed>) = 0 [pid 6547] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6547] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6552] write(1, "executing program\n", 18 [pid 6547] <... futex resumed>) = 1 [pid 6546] <... futex resumed>) = 0 [pid 5863] <... restart_syscall resumed>) = 0 [pid 6546] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000executing program ) = 0 [pid 6552] <... write resumed>) = 18 [pid 6547] chdir("./file0" [pid 6546] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6547] <... chdir resumed>) = 0 [pid 6547] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] umount2("./50", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6547] <... futex resumed>) = 1 [pid 6546] <... futex resumed>) = 0 [pid 6547] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6546] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6552] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6547] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6546] <... futex resumed>) = 0 [pid 5863] openat(AT_FDCWD, "./50", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6552] <... futex resumed>) = 0 [ 213.896367][ T6545] read_mapping_page failed! [ 213.900937][ T6545] ERROR: (device loop0): txCommit: [ 213.900937][ T6545] [ 213.920410][ T6547] [ 213.920410][ T6547] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 213.920410][ T6547] [pid 6547] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6546] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6552] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, [pid 5863] <... openat resumed>) = 3 [pid 5863] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5863] getdents64(3, [pid 6552] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5863] <... getdents64 resumed>0x555566de9730 /* 4 entries */, 32768) = 104 [pid 6552] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5863] umount2("./50/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6552] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6552] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5863] newfstatat(AT_FDCWD, "./50/binderfs", [pid 6552] <... mmap resumed>) = 0x7f46d9f21000 [pid 5863] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6552] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE [pid 5863] unlink("./50/binderfs" [pid 6552] <... mprotect resumed>) = 0 [pid 5863] <... unlink resumed>) = 0 [pid 6552] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6552] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} [pid 5863] umount2("./50/bus", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6553 attached [pid 6553] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053) = 0 [pid 6553] set_robust_list(0x7f46d9f419a0, 24) = 0 [pid 6552] <... clone3 resumed> => {parent_tid=[6553]}, 88) = 6553 [pid 6552] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6552] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6553] rt_sigprocmask(SIG_SETMASK, [], [pid 6552] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6547] <... open resumed>) = -1 EIO (Input/output error) [pid 6553] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6547] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6553] memfd_create("syzkaller", 0 [pid 6546] <... futex resumed>) = 0 [pid 6546] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6546] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6547] <... futex resumed>) = 1 [ 213.958643][ T6547] read_mapping_page failed! [ 213.974349][ T6547] ERROR: (device loop4): txCommit: [ 213.974349][ T6547] [ 213.993622][ T5863] [ 213.993622][ T5863] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 213.993622][ T5863] [pid 6547] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x9) [pid 6553] <... memfd_create resumed>) = 3 [pid 6553] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 6547] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6547] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6546] <... futex resumed>) = 0 [ 214.007559][ T6547] read_mapping_page failed! [ 214.012348][ T6547] ERROR: (device loop4): txCommit: [ 214.012348][ T6547] [ 214.023061][ T5863] [ 214.023061][ T5863] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 214.023061][ T5863] [pid 6547] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6546] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6546] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6547] <... openat resumed>) = -1 EIO (Input/output error) [pid 6549] <... write resumed>) = 16777216 [pid 6549] munmap(0x7f46d1a00000, 138412032 [pid 6547] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6546] <... futex resumed>) = 0 [pid 6547] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6546] exit_group(0 [pid 6547] <... futex resumed>) = ? [pid 6546] <... exit_group resumed>) = ? [pid 6547] +++ exited with 0 +++ [pid 6546] +++ exited with 0 +++ [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6546, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=29 /* 0.29 s */} --- [pid 5867] umount2("./50", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./50", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5867] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5867] umount2("./50/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./50/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] unlink("./50/binderfs") = 0 [ 214.056951][ T6547] read_mapping_page failed! [ 214.061514][ T6547] ERROR: (device loop4): txCommit: [ 214.061514][ T6547] [pid 5867] umount2("./50/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6549] <... munmap resumed>) = 0 [pid 5863] <... umount2 resumed>) = 0 [pid 5863] umount2("./50/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] newfstatat(AT_FDCWD, "./50/bus", [pid 6549] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5863] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6549] <... openat resumed>) = 4 [pid 5863] umount2("./50/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6549] ioctl(4, LOOP_SET_FD, 3 [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5863] openat(AT_FDCWD, "./50/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5863] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5863] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5863] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5863] close(4) = 0 [pid 5863] rmdir("./50/bus") = 0 [pid 5863] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5863] close(3) = 0 [pid 5863] rmdir("./50") = 0 [pid 5863] mkdir("./51", 0777) = 0 [pid 5863] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5863] ioctl(3, LOOP_CLR_FD) = 0 [pid 5863] close(3 [pid 6551] <... write resumed>) = 16777216 [pid 6549] <... ioctl resumed>) = 0 [pid 5867] <... umount2 resumed>) = 0 [pid 6551] munmap(0x7f46d1a00000, 138412032 [pid 6549] close(3) = 0 [pid 6549] close(4) = 0 [ 214.123665][ T5867] [ 214.123665][ T5867] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 214.123665][ T5867] [ 214.138461][ T6549] loop2: detected capacity change from 0 to 32768 [ 214.155225][ T5867] [ 214.155225][ T5867] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 214.155225][ T5867] [pid 6549] mkdir("./bus", 0777) = 0 [pid 5867] umount2("./50/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6549] mount("/dev/loop2", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./50/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] umount2("./50/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./50/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5867] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(4, [pid 6551] <... munmap resumed>) = 0 [pid 5867] <... getdents64 resumed>0x555566df1770 /* 2 entries */, 32768) = 48 [pid 6551] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5867] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5867] close(4 [pid 6551] <... openat resumed>) = 4 [pid 5867] <... close resumed>) = 0 [pid 6551] ioctl(4, LOOP_SET_FD, 3 [pid 5867] rmdir("./50/bus") = 0 [pid 5867] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 6551] <... ioctl resumed>) = 0 [pid 5867] close(3 [pid 6551] close(3) = 0 [pid 5867] <... close resumed>) = 0 [pid 6551] close(4) = 0 [pid 5867] rmdir("./50" [pid 6551] mkdir("./bus", 0777) = 0 [pid 5867] <... rmdir resumed>) = 0 [pid 6551] mount("/dev/loop3", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 5867] mkdir("./51", 0777) = 0 [pid 5867] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5867] ioctl(3, LOOP_CLR_FD) = 0 [pid 5867] close(3 [pid 6549] <... mount resumed>) = 0 [pid 6549] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6549] chdir("./bus") = 0 [pid 6549] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6549] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6548] <... futex resumed>) = 0 [pid 6549] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6548] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6548] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6549] <... futex resumed>) = 0 [ 214.237294][ T6551] loop3: detected capacity change from 0 to 32768 [ 214.254737][ T6549] [ 214.254737][ T6549] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 214.254737][ T6549] [pid 6549] chdir("./file0") = 0 [pid 6549] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6548] <... futex resumed>) = 0 [pid 6549] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6548] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6549] <... futex resumed>) = 0 [pid 6548] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6549] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010) = -1 EIO (Input/output error) [pid 6551] <... mount resumed>) = 0 [pid 6548] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6551] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6548] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6551] <... openat resumed>) = 3 [pid 6548] <... futex resumed>) = 0 [ 214.335526][ T6551] [ 214.335526][ T6551] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 214.335526][ T6551] [ 214.356694][ T6549] read_mapping_page failed! [ 214.374711][ T6549] ERROR: (device loop2): txCommit: [ 214.374711][ T6549] [pid 6551] chdir("./bus") = 0 [pid 6548] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6551] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6551] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6551] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6549] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6549] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6548] <... mmap resumed>) = 0x7f46d9f00000 [pid 6548] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6548] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6548] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0}./strace-static-x86_64: Process 6554 attached => {parent_tid=[6554]}, 88) = 6554 [pid 6548] rt_sigprocmask(SIG_SETMASK, [], [pid 6554] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053 [pid 6553] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6550] <... futex resumed>) = 0 [pid 6548] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6554] <... rseq resumed>) = 0 [pid 6548] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6554] set_robust_list(0x7f46d9f209a0, 24 [pid 6548] <... futex resumed>) = 0 [pid 6554] <... set_robust_list resumed>) = 0 [pid 6548] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6554] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6550] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6554] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x5) [pid 6551] <... futex resumed>) = 0 [pid 6550] <... futex resumed>) = 1 [pid 6551] chdir("./file0" [pid 6550] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6551] <... chdir resumed>) = 0 [pid 6551] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6550] <... futex resumed>) = 0 [pid 6551] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6550] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6551] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6550] <... futex resumed>) = 0 [pid 6551] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6550] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6554] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6554] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] <... close resumed>) = 0 [pid 6554] <... futex resumed>) = 1 [pid 6548] <... futex resumed>) = 0 [pid 6548] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6549] <... futex resumed>) = 0 [pid 6548] <... futex resumed>) = 1 [pid 6549] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6548] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6554] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [ 214.435543][ T6554] read_mapping_page failed! [ 214.443074][ T6554] ERROR: (device loop2): txCommit: [ 214.443074][ T6554] [ 214.473694][ T6551] read_mapping_page failed! [ 214.480456][ T6549] read_mapping_page failed! [pid 5863] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6555 attached [pid 6550] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6550] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6550] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f00000 [pid 6550] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6555] set_robust_list(0x555566de86a0, 24 [pid 6550] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6555] <... set_robust_list resumed>) = 0 [pid 6550] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5863] <... clone resumed>, child_tidptr=0x555566de8690) = 6555 [pid 6550] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0} [pid 6555] chdir("./51" [pid 6550] <... clone3 resumed> => {parent_tid=[6556]}, 88) = 6556 [pid 6550] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6550] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6550] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6556 attached [pid 6556] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053) = 0 [pid 6556] set_robust_list(0x7f46d9f209a0, 24) = 0 [pid 6556] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6555] <... chdir resumed>) = 0 [pid 6556] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x7) [pid 6549] <... openat resumed>) = -1 EIO (Input/output error) [pid 6555] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6555] setpgid(0, 0 [pid 6549] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6548] <... futex resumed>) = 0 [pid 6548] exit_group(0) = ? [pid 6549] +++ exited with 0 +++ [pid 6554] <... futex resumed>) = ? [ 214.488143][ T6549] ERROR: (device loop2): txCommit: [ 214.488143][ T6549] [ 214.499857][ T6551] ERROR: (device loop3): txCommit: [ 214.499857][ T6551] [ 214.527930][ T6556] read_mapping_page failed! [ 214.532492][ T6556] ERROR: (device loop3): txCommit: [pid 6555] <... setpgid resumed>) = 0 [pid 6551] <... open resumed>) = -1 EIO (Input/output error) [pid 6551] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6555] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6551] <... futex resumed>) = 0 [pid 6551] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6556] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6555] <... openat resumed>) = 3 [pid 6554] +++ exited with 0 +++ [pid 6548] +++ exited with 0 +++ [pid 5867] <... close resumed>) = 0 [pid 6556] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6555] write(3, "1000", 4 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6548, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=29 /* 0.29 s */} --- [pid 6556] <... futex resumed>) = 1 [pid 6555] <... write resumed>) = 4 [pid 6550] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6557 attached [pid 6556] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6555] close(3 [ 214.532492][ T6556] [pid 6550] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6557] set_robust_list(0x555566de86a0, 24 [pid 6555] <... close resumed>) = 0 [pid 6551] <... futex resumed>) = 0 [pid 6550] <... futex resumed>) = 1 [pid 6557] <... set_robust_list resumed>) = 0 [pid 6555] symlink("/dev/binderfs", "./binderfs" [pid 6551] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6550] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5865] umount2("./51", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5867] <... clone resumed>, child_tidptr=0x555566de8690) = 6557 [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6557] chdir("./51" [pid 6555] <... symlink resumed>) = 0 [pid 6551] <... openat resumed>) = -1 EIO (Input/output error) [pid 5865] openat(AT_FDCWD, "./51", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6557] <... chdir resumed>) = 0 [pid 6555] write(1, "executing program\n", 18executing program [pid 6551] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] <... openat resumed>) = 3 [pid 6557] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6555] <... write resumed>) = 18 [pid 6551] <... futex resumed>) = 1 [pid 6550] <... futex resumed>) = 0 [pid 5865] newfstatat(3, "", [pid 6557] <... prctl resumed>) = 0 [pid 6555] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6551] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6550] exit_group(0 [pid 5865] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6557] setpgid(0, 0 [pid 6556] <... futex resumed>) = ? [pid 6555] <... futex resumed>) = 0 [pid 6550] <... exit_group resumed>) = ? [pid 5865] getdents64(3, [pid 6557] <... setpgid resumed>) = 0 [pid 6556] +++ exited with 0 +++ [pid 6555] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, [pid 6551] <... futex resumed>) = ? [pid 5865] <... getdents64 resumed>0x555566de9730 /* 4 entries */, 32768) = 104 [pid 6557] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6555] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6551] +++ exited with 0 +++ [pid 6550] +++ exited with 0 +++ [pid 5865] umount2("./51/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6557] <... openat resumed>) = 3 [pid 6555] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6557] write(3, "1000", 4 [pid 6555] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6550, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=32 /* 0.32 s */} --- [pid 5865] newfstatat(AT_FDCWD, "./51/binderfs", [pid 6557] <... write resumed>) = 4 [pid 6555] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5866] restart_syscall(<... resuming interrupted clone ...> [pid 5865] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6557] close(3 [pid 6555] <... mmap resumed>) = 0x7f46d9f21000 [pid 5865] unlink("./51/binderfs" [pid 5866] <... restart_syscall resumed>) = 0 [pid 6557] <... close resumed>) = 0 [pid 6555] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE [pid 5865] <... unlink resumed>) = 0 [pid 6557] symlink("/dev/binderfs", "./binderfs" [pid 6555] <... mprotect resumed>) = 0 [pid 5865] umount2("./51/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6557] <... symlink resumed>) = 0 [pid 6555] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5866] umount2("./51", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] openat(AT_FDCWD, "./51", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6557] write(1, "executing program\n", 18 [pid 5866] <... openat resumed>) = 3 executing program [pid 6557] <... write resumed>) = 18 [pid 5866] newfstatat(3, "", [pid 6557] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6555] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5866] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6557] <... futex resumed>) = 0 [pid 6555] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0}./strace-static-x86_64: Process 6558 attached [pid 6557] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, [pid 5866] getdents64(3, [pid 6558] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053) = 0 [pid 6557] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6555] <... clone3 resumed> => {parent_tid=[6558]}, 88) = 6558 [pid 5866] <... getdents64 resumed>0x555566de9730 /* 4 entries */, 32768) = 104 [pid 6558] set_robust_list(0x7f46d9f419a0, 24 [pid 5866] umount2("./51/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6558] <... set_robust_list resumed>) = 0 [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6558] rt_sigprocmask(SIG_SETMASK, [], [pid 5866] newfstatat(AT_FDCWD, "./51/binderfs", [pid 6558] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6558] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6557] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6555] rt_sigprocmask(SIG_SETMASK, [], [pid 5866] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6557] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6555] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6557] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6555] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] unlink("./51/binderfs" [pid 6558] <... futex resumed>) = 0 [pid 6557] <... mmap resumed>) = 0x7f46d9f21000 [pid 6555] <... futex resumed>) = 1 [pid 6558] memfd_create("syzkaller", 0 [pid 6557] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE [pid 6558] <... memfd_create resumed>) = 3 [pid 6557] <... mprotect resumed>) = 0 [pid 6555] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6558] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6557] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6558] <... mmap resumed>) = 0x7f46d1a00000 [pid 6557] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6557] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0}./strace-static-x86_64: Process 6559 attached [pid 6559] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6557] <... clone3 resumed> => {parent_tid=[6559]}, 88) = 6559 [pid 6559] <... rseq resumed>) = 0 [pid 6557] rt_sigprocmask(SIG_SETMASK, [], [pid 6559] set_robust_list(0x7f46d9f419a0, 24 [pid 6557] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6559] <... set_robust_list resumed>) = 0 [pid 6557] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6559] rt_sigprocmask(SIG_SETMASK, [], [pid 6557] <... futex resumed>) = 0 [pid 6559] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6557] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6559] memfd_create("syzkaller", 0 [pid 5866] <... unlink resumed>) = 0 [pid 5866] umount2("./51/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6559] <... memfd_create resumed>) = 3 [pid 6559] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [ 214.564527][ T6551] read_mapping_page failed! [ 214.569089][ T6551] ERROR: (device loop3): txCommit: [ 214.569089][ T6551] [ 214.598791][ T5865] [ 214.598791][ T5865] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 214.598791][ T5865] [pid 5865] <... umount2 resumed>) = 0 [pid 5865] umount2("./51/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./51/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] umount2("./51/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./51/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5865] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5865] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5865] close(4) = 0 [pid 5865] rmdir("./51/bus") = 0 [pid 5865] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./51") = 0 [pid 5865] mkdir("./52", 0777) = 0 [pid 5865] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [ 214.634329][ T5865] [ 214.634329][ T5865] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 214.634329][ T5865] [ 214.644106][ T5866] [ 214.644106][ T5866] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 214.644106][ T5866] [pid 5865] ioctl(3, LOOP_CLR_FD) = 0 [ 214.675201][ T5866] [ 214.675201][ T5866] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 214.675201][ T5866] [pid 5865] close(3 [pid 6553] <... write resumed>) = 16777216 [pid 6553] munmap(0x7f46d1a00000, 138412032) = 0 [pid 5866] <... umount2 resumed>) = 0 [pid 5866] umount2("./51/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./51/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] umount2("./51/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6553] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6553] ioctl(4, LOOP_SET_FD, 3 [pid 5866] openat(AT_FDCWD, "./51/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5866] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5866] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5866] close(4) = 0 [pid 5866] rmdir("./51/bus") = 0 [pid 5866] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5866] close(3) = 0 [pid 5866] rmdir("./51") = 0 [pid 5866] mkdir("./52", 0777) = 0 [pid 5866] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 6553] <... ioctl resumed>) = 0 [pid 5866] ioctl(3, LOOP_CLR_FD) = 0 [pid 6553] close(3) = 0 [pid 6553] close(4) = 0 [pid 6553] mkdir("./bus", 0777) = 0 [pid 5866] close(3 [ 214.790275][ T6553] loop1: detected capacity change from 0 to 32768 [pid 6553] mount("/dev/loop1", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic,") = 0 [pid 6553] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6553] chdir("./bus") = 0 [pid 6553] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6553] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6552] <... futex resumed>) = 0 [ 214.859743][ T6553] [ 214.859743][ T6553] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 214.859743][ T6553] [pid 6553] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6552] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6552] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6553] <... futex resumed>) = 0 [pid 6553] chdir("./file0") = 0 [pid 6553] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6552] <... futex resumed>) = 0 [pid 6553] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6552] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6553] <... futex resumed>) = 0 [pid 6552] <... futex resumed>) = 1 [pid 6553] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6552] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5865] <... close resumed>) = 0 [pid 6558] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6552] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6552] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6552] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f00000 [pid 6552] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6552] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6552] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0}./strace-static-x86_64: Process 6560 attached => {parent_tid=[6560]}, 88) = 6560 [pid 6560] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053 [pid 6552] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6560] <... rseq resumed>) = 0 [pid 6552] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6560] set_robust_list(0x7f46d9f209a0, 24 [pid 6552] <... futex resumed>) = 0 [pid 6560] <... set_robust_list resumed>) = 0 [pid 6552] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6560] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [ 214.987490][ T6553] read_mapping_page failed! [ 214.992059][ T6553] ERROR: (device loop1): txCommit: [ 214.992059][ T6553] [pid 6560] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x3) [pid 6553] <... open resumed>) = -1 EIO (Input/output error) [pid 6559] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6553] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6553] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 6561 attached [pid 6560] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6561] set_robust_list(0x555566de86a0, 24) = 0 [pid 6560] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] <... clone resumed>, child_tidptr=0x555566de8690) = 6561 [pid 6561] chdir("./52" [pid 6560] <... futex resumed>) = 1 [pid 6552] <... futex resumed>) = 0 [pid 6560] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6552] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6561] <... chdir resumed>) = 0 [ 215.029661][ T6560] read_mapping_page failed! [ 215.034915][ T6560] ERROR: (device loop1): txCommit: [ 215.034915][ T6560] [pid 6561] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6553] <... futex resumed>) = 0 [pid 6561] <... prctl resumed>) = 0 [pid 6552] <... futex resumed>) = 1 [pid 6561] setpgid(0, 0 [pid 6553] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6552] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6561] <... setpgid resumed>) = 0 [pid 6561] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6561] write(3, "1000", 4) = 4 [pid 6561] close(3) = 0 [pid 6561] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6561] write(1, "executing program\n", 18) = 18 [pid 6561] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6561] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6561] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6561] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6561] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6561] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6561] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} [pid 6553] <... openat resumed>) = -1 EIO (Input/output error) [pid 6561] <... clone3 resumed> => {parent_tid=[6562]}, 88) = 6562 ./strace-static-x86_64: Process 6562 attached [pid 6562] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053) = 0 [pid 6562] set_robust_list(0x7f46d9f419a0, 24) = 0 [pid 6562] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6562] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6561] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6561] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6562] <... futex resumed>) = 0 [pid 6561] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6553] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6562] memfd_create("syzkaller", 0 [pid 6553] <... futex resumed>) = 1 [pid 6552] <... futex resumed>) = 0 [pid 6562] <... memfd_create resumed>) = 3 [pid 6553] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6552] exit_group(0 [pid 6562] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6552] <... exit_group resumed>) = ? [pid 6560] <... futex resumed>) = ? [pid 6553] <... futex resumed>) = ? [pid 5866] <... close resumed>) = 0 [pid 6560] +++ exited with 0 +++ [pid 6562] <... mmap resumed>) = 0x7f46d1a00000 [pid 6553] +++ exited with 0 +++ [pid 6552] +++ exited with 0 +++ [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5864] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6552, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=32 /* 0.32 s */} --- [pid 5864] restart_syscall(<... resuming interrupted clone ...> [pid 5866] <... clone resumed>, child_tidptr=0x555566de8690) = 6563 [pid 5864] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 6563 attached [pid 5864] umount2("./50", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] openat(AT_FDCWD, "./50", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5864] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5864] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5864] umount2("./50/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] newfstatat(AT_FDCWD, "./50/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5864] unlink("./50/binderfs") = 0 [ 215.077257][ T6553] read_mapping_page failed! [ 215.081820][ T6553] ERROR: (device loop1): txCommit: [ 215.081820][ T6553] [pid 5864] umount2("./50/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6563] set_robust_list(0x555566de86a0, 24) = 0 [pid 6563] chdir("./52") = 0 [pid 6563] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6563] setpgid(0, 0) = 0 [pid 6563] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6563] write(3, "1000", 4) = 4 [pid 6563] close(3) = 0 [pid 6563] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6563] write(1, "executing program\n", 18executing program ) = 18 [pid 6563] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6563] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6563] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6563] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6563] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6563] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6563] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} => {parent_tid=[6564]}, 88) = 6564 [pid 6563] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6563] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6563] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 6564 attached [pid 6564] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053) = 0 [pid 6564] set_robust_list(0x7f46d9f419a0, 24) = 0 [pid 6564] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6564] memfd_create("syzkaller", 0) = 3 [pid 6564] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 5864] <... umount2 resumed>) = 0 [ 215.143607][ T5864] [ 215.143607][ T5864] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 215.143607][ T5864] [ 215.173299][ T5864] [ 215.173299][ T5864] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 215.173299][ T5864] [pid 5864] umount2("./50/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] newfstatat(AT_FDCWD, "./50/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5864] umount2("./50/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] openat(AT_FDCWD, "./50/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5864] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5864] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5864] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5864] close(4) = 0 [pid 5864] rmdir("./50/bus") = 0 [pid 5864] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5864] close(3) = 0 [pid 5864] rmdir("./50") = 0 [pid 5864] mkdir("./51", 0777) = 0 [pid 5864] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5864] ioctl(3, LOOP_CLR_FD) = 0 [pid 5864] close(3 [pid 6559] <... write resumed>) = 16777216 [pid 6559] munmap(0x7f46d1a00000, 138412032 [pid 6558] <... write resumed>) = 16777216 [pid 6558] munmap(0x7f46d1a00000, 138412032 [pid 6559] <... munmap resumed>) = 0 [pid 6558] <... munmap resumed>) = 0 [pid 6559] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 6559] ioctl(4, LOOP_SET_FD, 3 [pid 6558] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 6558] ioctl(4, LOOP_SET_FD, 3 [pid 6559] <... ioctl resumed>) = 0 [pid 6559] close(3) = 0 [pid 6559] close(4) = 0 [pid 6559] mkdir("./bus", 0777) = 0 [pid 6559] mount("/dev/loop4", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6562] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6558] <... ioctl resumed>) = 0 [ 215.428317][ T6559] loop4: detected capacity change from 0 to 32768 [ 215.439272][ T6558] loop0: detected capacity change from 0 to 32768 [pid 6564] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6558] close(3) = 0 [pid 6558] close(4) = 0 [pid 6558] mkdir("./bus", 0777) = 0 [pid 6558] mount("/dev/loop0", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6559] <... mount resumed>) = 0 [pid 6559] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6559] chdir("./bus") = 0 [pid 6559] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6559] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6559] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6557] <... futex resumed>) = 0 [pid 6557] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6559] <... futex resumed>) = 0 [pid 6557] <... futex resumed>) = 1 [pid 6559] chdir("./file0" [pid 6557] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6559] <... chdir resumed>) = 0 [pid 6559] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6557] <... futex resumed>) = 0 [pid 6557] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6557] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 215.512589][ T6559] [ 215.512589][ T6559] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 215.512589][ T6559] [ 215.544474][ T6559] read_mapping_page failed! [ 215.551460][ T6559] ERROR: (device loop4): txCommit: [ 215.551460][ T6559] [pid 6559] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6557] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6557] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 6559] <... open resumed>) = -1 EIO (Input/output error) [pid 6557] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6557] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6557] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f00000 [pid 6557] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6557] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6557] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0}./strace-static-x86_64: Process 6565 attached [pid 6559] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6557] <... clone3 resumed> => {parent_tid=[6565]}, 88) = 6565 [pid 6559] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6557] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6557] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6565] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053 [pid 6557] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6565] <... rseq resumed>) = 0 [pid 6565] set_robust_list(0x7f46d9f209a0, 24) = 0 [pid 6565] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6565] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x9) [pid 6558] <... mount resumed>) = 0 [pid 6558] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6558] chdir("./bus") = 0 [pid 6558] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6558] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6558] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6555] <... futex resumed>) = 0 [pid 6555] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6558] <... futex resumed>) = 0 [pid 6558] chdir("./file0" [pid 6555] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5864] <... close resumed>) = 0 [pid 6565] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6558] <... chdir resumed>) = 0 [pid 6558] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6555] <... futex resumed>) = 0 [pid 6558] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6555] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6555] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6565] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [ 215.573161][ T6558] [ 215.573161][ T6558] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 215.573161][ T6558] [ 215.599343][ T6565] read_mapping_page failed! [ 215.613242][ T6565] ERROR: (device loop4): txCommit: [ 215.613242][ T6565] [pid 5864] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6565] <... futex resumed>) = 1 [pid 6557] <... futex resumed>) = 0 [pid 6557] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6557] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6566 attached [pid 6565] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6559] <... futex resumed>) = 0 [pid 6559] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 5864] <... clone resumed>, child_tidptr=0x555566de8690) = 6566 executing program [pid 6566] set_robust_list(0x555566de86a0, 24) = 0 [pid 6566] chdir("./51") = 0 [pid 6566] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6566] setpgid(0, 0) = 0 [pid 6566] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6566] write(3, "1000", 4) = 4 [pid 6566] close(3) = 0 [pid 6566] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6566] write(1, "executing program\n", 18) = 18 [pid 6566] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6566] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6566] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6566] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6566] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6566] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6566] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} => {parent_tid=[6567]}, 88) = 6567 [pid 6566] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 6567 attached [pid 6566] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6566] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6567] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053) = 0 [ 215.643439][ T6558] read_mapping_page failed! [ 215.648023][ T6558] ERROR: (device loop0): txCommit: [ 215.648023][ T6558] [ 215.674990][ T6559] read_mapping_page failed! [pid 6558] <... open resumed>) = -1 EIO (Input/output error) [pid 6567] set_robust_list(0x7f46d9f419a0, 24 [pid 6555] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6567] <... set_robust_list resumed>) = 0 [pid 6567] rt_sigprocmask(SIG_SETMASK, [], [pid 6555] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6567] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6555] <... futex resumed>) = 0 [pid 6555] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6567] memfd_create("syzkaller", 0 [pid 6555] <... mmap resumed>) = 0x7f46d9f00000 [pid 6555] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE [pid 6567] <... memfd_create resumed>) = 3 [pid 6555] <... mprotect resumed>) = 0 [pid 6567] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6555] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6567] <... mmap resumed>) = 0x7f46d1a00000 [pid 6558] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6555] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0}./strace-static-x86_64: Process 6568 attached [pid 6558] <... futex resumed>) = 0 [pid 6558] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6555] <... clone3 resumed> => {parent_tid=[6568]}, 88) = 6568 [pid 6555] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6555] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6555] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6568] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053) = 0 [pid 6568] set_robust_list(0x7f46d9f209a0, 24) = 0 [pid 6568] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6559] <... openat resumed>) = -1 EIO (Input/output error) [pid 6568] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x1) [pid 6559] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6557] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6559] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6557] exit_group(0 [pid 6565] <... futex resumed>) = ? [pid 6559] <... futex resumed>) = ? [pid 6557] <... exit_group resumed>) = ? [pid 6565] +++ exited with 0 +++ [pid 6559] +++ exited with 0 +++ [pid 6557] +++ exited with 0 +++ [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6557, si_uid=0, si_status=0, si_utime=9 /* 0.09 s */, si_stime=24 /* 0.24 s */} --- [pid 5867] umount2("./51", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./51", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5867] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5867] umount2("./51/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./51/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] unlink("./51/binderfs") = 0 [ 215.690862][ T6559] ERROR: (device loop4): txCommit: [ 215.690862][ T6559] [ 215.704469][ T6568] read_mapping_page failed! [ 215.725817][ T6568] ERROR: (device loop0): txCommit: [ 215.725817][ T6568] [ 215.736304][ T5867] [pid 5867] umount2("./51/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6555] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6555] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6555] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6558] <... futex resumed>) = 0 [pid 6558] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6568] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6568] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6568] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6558] <... openat resumed>) = -1 EIO (Input/output error) [pid 6558] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6555] <... futex resumed>) = 0 [pid 6558] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6555] exit_group(0 [pid 6568] <... futex resumed>) = ? [pid 6558] <... futex resumed>) = ? [pid 6555] <... exit_group resumed>) = ? [pid 6568] +++ exited with 0 +++ [pid 6558] +++ exited with 0 +++ [pid 6555] +++ exited with 0 +++ [pid 5863] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6555, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=33 /* 0.33 s */} --- [pid 5863] umount2("./51", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] openat(AT_FDCWD, "./51", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5863] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5863] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5863] umount2("./51/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] newfstatat(AT_FDCWD, "./51/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5863] unlink("./51/binderfs") = 0 [ 215.736304][ T5867] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 215.736304][ T5867] [ 215.760239][ T6558] read_mapping_page failed! [ 215.771192][ T6558] ERROR: (device loop0): txCommit: [ 215.771192][ T6558] [ 215.779047][ T5867] [ 215.779047][ T5867] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 215.779047][ T5867] [pid 5863] umount2("./51/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5867] <... umount2 resumed>) = 0 [pid 5867] umount2("./51/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./51/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] umount2("./51/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./51/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5867] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5867] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5867] close(4) = 0 [ 215.823379][ T5863] [ 215.823379][ T5863] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 215.823379][ T5863] [ 215.863464][ T5863] [ 215.863464][ T5863] ... Log Wrap ... Log Wrap ... Log Wrap ... [pid 5867] rmdir("./51/bus") = 0 [pid 6562] <... write resumed>) = 16777216 [pid 5867] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5867] close(3) = 0 [pid 5867] rmdir("./51") = 0 [pid 5867] mkdir("./52", 0777) = 0 [pid 5867] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5867] ioctl(3, LOOP_CLR_FD) = 0 [pid 5867] close(3 [ 215.863464][ T5863] [pid 6562] munmap(0x7f46d1a00000, 138412032) = 0 [pid 6562] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 6562] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6562] close(3) = 0 [pid 6562] close(4) = 0 [pid 6562] mkdir("./bus", 0777) = 0 [pid 6562] mount("/dev/loop2", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6564] <... write resumed>) = 16777216 [pid 5863] <... umount2 resumed>) = 0 [ 215.925576][ T6562] loop2: detected capacity change from 0 to 32768 [pid 6564] munmap(0x7f46d1a00000, 138412032 [pid 5863] umount2("./51/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] newfstatat(AT_FDCWD, "./51/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5863] umount2("./51/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] openat(AT_FDCWD, "./51/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5863] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5863] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5863] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5863] close(4) = 0 [pid 5863] rmdir("./51/bus") = 0 [pid 5863] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5863] close(3) = 0 [pid 5863] rmdir("./51") = 0 [pid 5863] mkdir("./52", 0777) = 0 [pid 5863] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5863] ioctl(3, LOOP_CLR_FD) = 0 [pid 5863] close(3 [pid 6562] <... mount resumed>) = 0 [pid 6562] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6562] chdir("./bus") = 0 [pid 6562] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6562] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6564] <... munmap resumed>) = 0 [pid 6562] <... futex resumed>) = 1 [pid 6561] <... futex resumed>) = 0 [pid 6562] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6561] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6562] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6561] <... futex resumed>) = 0 [ 215.974491][ T6562] [ 215.974491][ T6562] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 215.974491][ T6562] [pid 6562] chdir("./file0" [pid 6561] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6562] <... chdir resumed>) = 0 [pid 6562] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6562] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6561] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6561] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6564] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6562] <... futex resumed>) = 0 [pid 6561] <... futex resumed>) = 1 [pid 6562] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6561] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6564] <... openat resumed>) = 4 [pid 6564] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6564] close(3) = 0 [pid 6561] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6561] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6564] close(4 [pid 6561] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f00000 [pid 6561] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE [pid 6564] <... close resumed>) = 0 [pid 6564] mkdir("./bus", 0777 [pid 6561] <... mprotect resumed>) = 0 [pid 6561] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6564] <... mkdir resumed>) = 0 [pid 6561] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6562] <... open resumed>) = -1 EIO (Input/output error) [pid 6561] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0} [pid 6562] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6562] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 6569 attached [pid 6561] <... clone3 resumed> => {parent_tid=[6569]}, 88) = 6569 [pid 6569] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053 [pid 6561] rt_sigprocmask(SIG_SETMASK, [], [pid 6569] <... rseq resumed>) = 0 [pid 6569] set_robust_list(0x7f46d9f209a0, 24 [ 216.054891][ T6562] read_mapping_page failed! [ 216.073471][ T6564] loop3: detected capacity change from 0 to 32768 [ 216.081073][ T6562] ERROR: (device loop2): txCommit: [ 216.081073][ T6562] [pid 6564] mount("/dev/loop3", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6561] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6569] <... set_robust_list resumed>) = 0 [pid 6569] rt_sigprocmask(SIG_SETMASK, [], [pid 6561] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6569] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6561] <... futex resumed>) = 0 [pid 6569] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x5) [pid 6561] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 216.112122][ T6569] read_mapping_page failed! [pid 6567] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6569] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6569] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6561] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6561] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6569] <... futex resumed>) = 0 [pid 6569] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6562] <... futex resumed>) = 0 [pid 6561] <... futex resumed>) = 1 [pid 6562] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [ 216.134096][ T6569] ERROR: (device loop2): txCommit: [ 216.134096][ T6569] [ 216.173311][ T6562] read_mapping_page failed! [ 216.177878][ T6562] ERROR: (device loop2): txCommit: [ 216.177878][ T6562] [pid 6561] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5867] <... close resumed>) = 0 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6570 attached , child_tidptr=0x555566de8690) = 6570 [pid 6570] set_robust_list(0x555566de86a0, 24) = 0 [pid 6564] <... mount resumed>) = 0 [pid 6562] <... openat resumed>) = -1 EIO (Input/output error) [pid 6564] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6570] chdir("./52" [pid 6564] <... openat resumed>) = 3 [pid 6562] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6570] <... chdir resumed>) = 0 [pid 6564] chdir("./bus" [pid 6562] <... futex resumed>) = 0 [pid 6561] exit_group(0 [pid 6570] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6569] <... futex resumed>) = ? [pid 6564] <... chdir resumed>) = 0 [pid 6561] <... exit_group resumed>) = ? [pid 6570] <... prctl resumed>) = 0 [pid 6569] +++ exited with 0 +++ [pid 6564] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6562] +++ exited with 0 +++ [pid 6561] +++ exited with 0 +++ [ 216.213420][ T6564] [ 216.213420][ T6564] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 216.213420][ T6564] [pid 6570] setpgid(0, 0 [pid 6564] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6561, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=29 /* 0.29 s */} --- [pid 6564] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] restart_syscall(<... resuming interrupted clone ...> [pid 6570] <... setpgid resumed>) = 0 [pid 6564] <... futex resumed>) = 1 [pid 6563] <... futex resumed>) = 0 [pid 5865] <... restart_syscall resumed>) = 0 [pid 6564] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6563] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6564] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6563] <... futex resumed>) = 0 [pid 6564] chdir("./file0" [pid 6563] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5863] <... close resumed>) = 0 [pid 6570] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5865] umount2("./52", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5863] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6570] <... openat resumed>) = 3 [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6570] write(3, "1000", 4 [pid 5865] openat(AT_FDCWD, "./52", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6570] <... write resumed>) = 4 [pid 6570] close(3./strace-static-x86_64: Process 6571 attached [pid 6564] <... chdir resumed>) = 0 [pid 5865] <... openat resumed>) = 3 [pid 6570] <... close resumed>) = 0 [pid 6571] set_robust_list(0x555566de86a0, 24 [pid 6570] symlink("/dev/binderfs", "./binderfs" [pid 5865] newfstatat(3, "", [pid 6571] <... set_robust_list resumed>) = 0 [pid 6564] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] <... clone resumed>, child_tidptr=0x555566de8690) = 6571 [pid 6571] chdir("./52" [pid 6564] <... futex resumed>) = 1 [pid 6563] <... futex resumed>) = 0 [pid 6563] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6564] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6563] <... futex resumed>) = 0 [pid 5865] getdents64(3, [pid 6571] <... chdir resumed>) = 0 [pid 6570] <... symlink resumed>) = 0 [pid 6563] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5865] <... getdents64 resumed>0x555566de9730 /* 4 entries */, 32768) = 104 [pid 6571] prctl(PR_SET_PDEATHSIG, SIGKILLexecuting program [pid 6570] write(1, "executing program\n", 18 [pid 5865] umount2("./52/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6571] <... prctl resumed>) = 0 [pid 6570] <... write resumed>) = 18 [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./52/binderfs", [pid 6570] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6571] setpgid(0, 0 [pid 6570] <... futex resumed>) = 0 [pid 5865] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6571] <... setpgid resumed>) = 0 [pid 6570] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, [pid 5865] unlink("./52/binderfs" [pid 6571] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6570] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5865] <... unlink resumed>) = 0 [pid 6571] <... openat resumed>) = 3 [pid 6570] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6564] <... open resumed>) = -1 EIO (Input/output error) [pid 5865] umount2("./52/bus", MNT_FORCE|UMOUNT_NOFOLLOW [ 216.298924][ T6564] read_mapping_page failed! [ 216.314485][ T6564] ERROR: (device loop3): txCommit: [ 216.314485][ T6564] [ 216.332705][ T5865] [ 216.332705][ T5865] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 216.332705][ T5865] [pid 6571] write(3, "1000", 4 [pid 6570] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6570] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6564] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6570] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE [pid 6571] <... write resumed>) = 4 [pid 6571] close(3 [pid 6564] <... futex resumed>) = 1 [pid 6563] <... futex resumed>) = 0 [pid 6563] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6564] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x7) [pid 6563] <... futex resumed>) = 0 [pid 6571] <... close resumed>) = 0 [pid 6570] <... mprotect resumed>) = 0 [pid 6563] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6571] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6570] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6571] write(1, "executing program\n", 18 [pid 6570] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6571] <... write resumed>) = 18 [pid 6570] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} [pid 6571] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 6572 attached [pid 6571] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, [pid 6570] <... clone3 resumed> => {parent_tid=[6572]}, 88) = 6572 [pid 6571] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6572] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6570] rt_sigprocmask(SIG_SETMASK, [], [pid 6571] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6570] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6571] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6570] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6571] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6570] <... futex resumed>) = 0 [pid 6571] <... mmap resumed>) = 0x7f46d9f21000 [pid 6570] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6571] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE [pid 6572] <... rseq resumed>) = 0 [pid 6571] <... mprotect resumed>) = 0 [pid 6572] set_robust_list(0x7f46d9f419a0, 24) = 0 [pid 6571] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6572] rt_sigprocmask(SIG_SETMASK, [], [pid 6571] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6572] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6571] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} [pid 6572] memfd_create("syzkaller", 0) = 3 [pid 6564] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6572] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6571] <... clone3 resumed> => {parent_tid=[6573]}, 88) = 6573 [pid 6572] <... mmap resumed>) = 0x7f46d1a00000 [pid 6571] rt_sigprocmask(SIG_SETMASK, [], [pid 6564] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6563] <... futex resumed>) = 0 [pid 6564] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6563] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6571] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6563] <... futex resumed>) = 0 [pid 6571] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6563] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6571] <... futex resumed>) = 0 [pid 6571] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 6573 attached [pid 6573] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053) = 0 [pid 6573] set_robust_list(0x7f46d9f419a0, 24) = 0 [pid 6573] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6573] memfd_create("syzkaller", 0) = 3 [pid 6573] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 5865] <... umount2 resumed>) = 0 [pid 5865] umount2("./52/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./52/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] umount2("./52/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./52/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5865] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5865] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5865] close(4) = 0 [pid 5865] rmdir("./52/bus") = 0 [pid 5865] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [ 216.345603][ T6564] read_mapping_page failed! [ 216.350162][ T6564] ERROR: (device loop3): txCommit: [ 216.350162][ T6564] [ 216.363250][ T5865] [ 216.363250][ T5865] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 216.363250][ T5865] [ 216.379788][ T6564] read_mapping_page failed! [ 216.387370][ T6564] ERROR: (device loop3): txCommit: [ 216.387370][ T6564] [pid 6564] <... openat resumed>) = -1 EIO (Input/output error) [pid 5865] rmdir("./52" [pid 6564] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] <... rmdir resumed>) = 0 [pid 6564] <... futex resumed>) = 1 [pid 6563] <... futex resumed>) = 0 [pid 6564] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6563] exit_group(0 [pid 6564] <... futex resumed>) = ? [pid 6563] <... exit_group resumed>) = ? [pid 5865] mkdir("./53", 0777) = 0 [pid 5865] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5865] ioctl(3, LOOP_CLR_FD [pid 6564] +++ exited with 0 +++ [pid 6563] +++ exited with 0 +++ [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6563, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=26 /* 0.26 s */} --- [pid 5865] <... ioctl resumed>) = 0 [pid 5866] restart_syscall(<... resuming interrupted clone ...> [pid 5865] close(3 [pid 5866] <... restart_syscall resumed>) = 0 [pid 5866] umount2("./52", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] openat(AT_FDCWD, "./52", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5866] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5866] umount2("./52/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./52/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] unlink("./52/binderfs" [pid 6567] <... write resumed>) = 16777216 [pid 6567] munmap(0x7f46d1a00000, 138412032 [pid 5866] <... unlink resumed>) = 0 [pid 5866] umount2("./52/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6567] <... munmap resumed>) = 0 [ 216.475033][ T5866] [ 216.475033][ T5866] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 216.475033][ T5866] [pid 6567] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 6567] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6567] close(3) = 0 [pid 6567] close(4) = 0 [pid 6567] mkdir("./bus", 0777) = 0 [ 216.523328][ T5866] [ 216.523328][ T5866] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 216.523328][ T5866] [ 216.541156][ T6567] loop1: detected capacity change from 0 to 32768 [pid 6567] mount("/dev/loop1", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 5866] <... umount2 resumed>) = 0 [pid 5866] umount2("./52/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./52/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] umount2("./52/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] openat(AT_FDCWD, "./52/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5866] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 6567] <... mount resumed>) = 0 [pid 5866] getdents64(4, [pid 6567] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5866] <... getdents64 resumed>0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5866] close(4) = 0 [pid 5866] rmdir("./52/bus") = 0 [pid 6567] <... openat resumed>) = 3 [pid 5866] getdents64(3, [pid 6567] chdir("./bus" [pid 5866] <... getdents64 resumed>0x555566de9730 /* 0 entries */, 32768) = 0 [pid 6567] <... chdir resumed>) = 0 [pid 5866] close(3 [pid 6567] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5866] <... close resumed>) = 0 [pid 6567] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5866] rmdir("./52") = 0 [pid 5866] mkdir("./53", 0777) = 0 [pid 6567] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6567] <... futex resumed>) = 1 [pid 6566] <... futex resumed>) = 0 [pid 5866] <... openat resumed>) = 3 [pid 6566] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5866] ioctl(3, LOOP_CLR_FD [pid 6566] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] <... ioctl resumed>) = 0 [pid 5866] close(3 [pid 6567] chdir("./file0") = 0 [pid 6567] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6566] <... futex resumed>) = 0 [pid 6566] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 216.582258][ T6567] [ 216.582258][ T6567] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 216.582258][ T6567] [pid 6566] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6567] <... futex resumed>) = 1 [pid 6567] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6566] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6566] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 6566] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6566] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f00000 [pid 6566] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6566] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6566] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0} => {parent_tid=[6574]}, 88) = 6574 [pid 6566] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6566] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6567] <... open resumed>) = -1 EIO (Input/output error) [pid 6566] <... futex resumed>) = 0 [pid 6567] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6566] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6567] <... futex resumed>) = 0 [pid 6567] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 6574 attached [ 216.664687][ T6567] read_mapping_page failed! [ 216.683498][ T6567] ERROR: (device loop1): txCommit: [ 216.683498][ T6567] [pid 6574] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053 [pid 5865] <... close resumed>) = 0 [pid 6574] <... rseq resumed>) = 0 [pid 6574] set_robust_list(0x7f46d9f209a0, 24) = 0 [pid 6574] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6574] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x3) [pid 5865] <... clone resumed>, child_tidptr=0x555566de8690) = 6575 ./strace-static-x86_64: Process 6575 attached [pid 6575] set_robust_list(0x555566de86a0, 24 [pid 6566] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6566] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6567] <... futex resumed>) = 0 [pid 6566] <... futex resumed>) = 1 [pid 6567] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6566] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6575] <... set_robust_list resumed>) = 0 [pid 6574] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6573] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6575] chdir("./53" [pid 6574] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6575] <... chdir resumed>) = 0 [pid 6574] <... futex resumed>) = 0 [ 216.754916][ T6574] read_mapping_page failed! [ 216.762372][ T6574] ERROR: (device loop1): txCommit: [ 216.762372][ T6574] [ 216.791866][ T6567] read_mapping_page failed! [pid 6575] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6574] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6572] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6575] <... prctl resumed>) = 0 [pid 6575] setpgid(0, 0) = 0 [pid 6575] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6575] write(3, "1000", 4 [pid 6567] <... openat resumed>) = -1 EIO (Input/output error) [pid 6566] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6567] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6567] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6566] exit_group(0 [pid 6567] <... futex resumed>) = ? [pid 6566] <... exit_group resumed>) = ? [pid 6567] +++ exited with 0 +++ [pid 6574] <... futex resumed>) = ? [pid 6575] <... write resumed>) = 4 [pid 6574] +++ exited with 0 +++ [pid 6566] +++ exited with 0 +++ [pid 5864] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6566, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=30 /* 0.30 s */} --- executing program [pid 5864] restart_syscall(<... resuming interrupted clone ...> [pid 6575] close(3) = 0 [pid 6575] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6575] write(1, "executing program\n", 18) = 18 [pid 6575] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6575] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6575] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6575] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6575] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6575] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6575] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0}./strace-static-x86_64: Process 6576 attached [ 216.803743][ T6567] ERROR: (device loop1): txCommit: [ 216.803743][ T6567] => {parent_tid=[6576]}, 88) = 6576 [pid 5864] <... restart_syscall resumed>) = 0 [pid 6575] rt_sigprocmask(SIG_SETMASK, [], [pid 5864] umount2("./51", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6575] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6575] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6576] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053) = 0 [pid 6576] set_robust_list(0x7f46d9f419a0, 24) = 0 [pid 6575] <... futex resumed>) = 0 [pid 5864] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6576] rt_sigprocmask(SIG_SETMASK, [], [pid 6575] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5864] openat(AT_FDCWD, "./51", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6576] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6576] memfd_create("syzkaller", 0 [pid 5864] <... openat resumed>) = 3 [pid 5864] newfstatat(3, "", [pid 6576] <... memfd_create resumed>) = 3 [pid 6576] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 5864] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5864] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5864] umount2("./51/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] newfstatat(AT_FDCWD, "./51/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5864] unlink("./51/binderfs") = 0 [pid 5864] umount2("./51/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5866] <... close resumed>) = 0 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6577 attached [pid 6577] set_robust_list(0x555566de86a0, 24) = 0 [pid 6577] chdir("./53") = 0 [pid 6577] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6577] setpgid(0, 0) = 0 [pid 6577] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5866] <... clone resumed>, child_tidptr=0x555566de8690) = 6577 [pid 6577] write(3, "1000", 4) = 4 [pid 6577] close(3) = 0 [pid 6577] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6577] write(1, "executing program\n", 18executing program ) = 18 [pid 6577] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6577] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6577] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6577] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6577] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6577] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6577] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} => {parent_tid=[6578]}, 88) = 6578 [pid 6577] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6577] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6577] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 6578 attached [pid 6578] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053) = 0 [pid 6578] set_robust_list(0x7f46d9f419a0, 24) = 0 [pid 6578] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6578] memfd_create("syzkaller", 0) = 3 [pid 6578] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [ 216.922552][ T5864] [ 216.922552][ T5864] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 216.922552][ T5864] [ 216.953599][ T5864] [ 216.953599][ T5864] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 216.953599][ T5864] [pid 5864] <... umount2 resumed>) = 0 [pid 5864] umount2("./51/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] newfstatat(AT_FDCWD, "./51/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5864] umount2("./51/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] openat(AT_FDCWD, "./51/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5864] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5864] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5864] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5864] close(4) = 0 [pid 5864] rmdir("./51/bus") = 0 [pid 5864] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5864] close(3) = 0 [pid 5864] rmdir("./51") = 0 [pid 5864] mkdir("./52", 0777) = 0 [pid 5864] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5864] ioctl(3, LOOP_CLR_FD) = 0 [pid 5864] close(3 [pid 6573] <... write resumed>) = 16777216 [pid 6573] munmap(0x7f46d1a00000, 138412032 [pid 6576] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6573] <... munmap resumed>) = 0 [pid 6572] <... write resumed>) = 16777216 [pid 6573] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 6572] munmap(0x7f46d1a00000, 138412032 [pid 6573] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6573] close(3) = 0 [pid 6573] close(4 [pid 6572] <... munmap resumed>) = 0 [pid 6573] <... close resumed>) = 0 [pid 6573] mkdir("./bus", 0777) = 0 [pid 6572] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6573] mount("/dev/loop0", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6572] <... openat resumed>) = 4 [ 217.243477][ T6573] loop0: detected capacity change from 0 to 32768 [ 217.278408][ T6573] [ 217.278408][ T6573] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 217.278408][ T6573] [pid 6572] ioctl(4, LOOP_SET_FD, 3 [pid 6573] <... mount resumed>) = 0 [pid 6572] <... ioctl resumed>) = 0 [pid 6578] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6573] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6572] close(3 [pid 5864] <... close resumed>) = 0 [pid 6573] <... openat resumed>) = 3 [pid 6572] <... close resumed>) = 0 [pid 6572] close(4 [pid 6573] chdir("./bus" [pid 5864] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6573] <... chdir resumed>) = 0 [pid 6572] <... close resumed>) = 0 [pid 6573] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6572] mkdir("./bus", 0777./strace-static-x86_64: Process 6579 attached [ 217.294050][ T6572] loop4: detected capacity change from 0 to 32768 [pid 6573] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6572] <... mkdir resumed>) = 0 [pid 6573] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6572] mount("/dev/loop4", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6573] <... futex resumed>) = 1 [pid 5864] <... clone resumed>, child_tidptr=0x555566de8690) = 6579 [pid 6571] <... futex resumed>) = 0 [pid 6571] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6571] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6579] set_robust_list(0x555566de86a0, 24) = 0 [pid 6579] chdir("./52") = 0 [pid 6579] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6579] setpgid(0, 0) = 0 [pid 6579] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6579] write(3, "1000", 4) = 4 [pid 6579] close(3) = 0 [pid 6579] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6573] chdir("./file0" [pid 6579] write(1, "executing program\n", 18) = 18 [pid 6579] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6579] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, executing program NULL, 8) = 0 [pid 6573] <... chdir resumed>) = 0 [pid 6579] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6573] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6579] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6573] <... futex resumed>) = 1 [pid 6571] <... futex resumed>) = 0 [pid 6579] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6571] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6579] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6571] <... futex resumed>) = 0 [pid 6579] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6571] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6579] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} [pid 6573] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010./strace-static-x86_64: Process 6580 attached [pid 6580] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053) = 0 [pid 6579] <... clone3 resumed> => {parent_tid=[6580]}, 88) = 6580 [pid 6580] set_robust_list(0x7f46d9f419a0, 24 [pid 6579] rt_sigprocmask(SIG_SETMASK, [], [pid 6580] <... set_robust_list resumed>) = 0 [pid 6579] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6580] rt_sigprocmask(SIG_SETMASK, [], [pid 6579] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6580] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6579] <... futex resumed>) = 0 [pid 6580] memfd_create("syzkaller", 0 [pid 6579] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6580] <... memfd_create resumed>) = 3 [pid 6580] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 6572] <... mount resumed>) = 0 [pid 6572] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6572] chdir("./bus") = 0 [pid 6572] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6572] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6570] <... futex resumed>) = 0 [pid 6572] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6570] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6572] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6572] chdir("./file0" [pid 6570] <... futex resumed>) = 0 [pid 6570] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6572] <... chdir resumed>) = 0 [pid 6572] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6570] <... futex resumed>) = 0 [pid 6572] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6570] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6572] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6570] <... futex resumed>) = 0 [ 217.347951][ T6572] [ 217.347951][ T6572] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 217.347951][ T6572] [ 217.369803][ T6573] read_mapping_page failed! [ 217.375905][ T6573] ERROR: (device loop0): txCommit: [ 217.375905][ T6573] [pid 6573] <... open resumed>) = -1 EIO (Input/output error) [pid 6572] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6570] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6571] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6571] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 6571] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6571] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6573] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6571] <... mmap resumed>) = 0x7f46d9f00000 [pid 6573] <... futex resumed>) = 0 [pid 6573] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6571] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6571] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6571] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0}./strace-static-x86_64: Process 6581 attached => {parent_tid=[6581]}, 88) = 6581 [pid 6571] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6581] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053 [pid 6571] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6581] <... rseq resumed>) = 0 [pid 6571] <... futex resumed>) = 0 [pid 6581] set_robust_list(0x7f46d9f209a0, 24 [pid 6571] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6581] <... set_robust_list resumed>) = 0 [pid 6581] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6581] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x1) [pid 6572] <... open resumed>) = -1 EIO (Input/output error) [pid 6572] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6570] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6570] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 217.408795][ T6572] read_mapping_page failed! [ 217.423547][ T6572] ERROR: (device loop4): txCommit: [ 217.423547][ T6572] [ 217.437366][ T6581] read_mapping_page failed! [ 217.441935][ T6581] ERROR: (device loop0): txCommit: [ 217.441935][ T6581] [pid 6572] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x9) [pid 6570] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6571] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6571] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6571] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6581] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6581] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6581] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6573] <... futex resumed>) = 0 [pid 6573] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6572] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6572] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6573] <... openat resumed>) = -1 EIO (Input/output error) [pid 6572] <... futex resumed>) = 1 [pid 6570] <... futex resumed>) = 0 [ 217.488469][ T6572] read_mapping_page failed! [ 217.495020][ T6572] ERROR: (device loop4): txCommit: [ 217.495020][ T6572] [ 217.511130][ T6573] read_mapping_page failed! [ 217.516428][ T6573] ERROR: (device loop0): txCommit: [ 217.516428][ T6573] [pid 6570] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6572] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6573] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6570] <... futex resumed>) = 0 [pid 6570] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6571] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6571] exit_group(0) = ? [pid 6581] <... futex resumed>) = ? [pid 6581] +++ exited with 0 +++ [pid 6573] <... futex resumed>) = ? [pid 6573] +++ exited with 0 +++ [pid 6571] +++ exited with 0 +++ [pid 5863] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6571, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=20 /* 0.20 s */} --- [pid 5863] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5863] umount2("./52", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] openat(AT_FDCWD, "./52", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5863] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5863] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5863] umount2("./52/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] newfstatat(AT_FDCWD, "./52/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5863] unlink("./52/binderfs") = 0 [pid 5863] umount2("./52/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6572] <... openat resumed>) = -1 EIO (Input/output error) [pid 6572] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6570] <... futex resumed>) = 0 [pid 6572] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6570] exit_group(0 [pid 6572] <... futex resumed>) = ? [pid 6570] <... exit_group resumed>) = ? [pid 6572] +++ exited with 0 +++ [pid 6570] +++ exited with 0 +++ [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6570, si_uid=0, si_status=0, si_utime=11 /* 0.11 s */, si_stime=27 /* 0.27 s */} --- [ 217.538894][ T6572] read_mapping_page failed! [ 217.547448][ T6572] ERROR: (device loop4): txCommit: [ 217.547448][ T6572] [ 217.558924][ T5863] [ 217.558924][ T5863] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 217.558924][ T5863] [pid 5867] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 6576] <... write resumed>) = 16777216 [pid 5867] umount2("./52", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6576] munmap(0x7f46d1a00000, 138412032 [pid 5867] openat(AT_FDCWD, "./52", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5863] <... umount2 resumed>) = 0 [pid 5867] newfstatat(3, "", [pid 5863] umount2("./52/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5867] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5867] getdents64(3, [pid 5863] newfstatat(AT_FDCWD, "./52/bus", [pid 5867] <... getdents64 resumed>0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5863] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] umount2("./52/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5863] umount2("./52/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./52/binderfs", [pid 5863] openat(AT_FDCWD, "./52/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5867] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5863] newfstatat(4, "", [pid 5867] unlink("./52/binderfs" [pid 5863] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] <... unlink resumed>) = 0 [pid 5863] getdents64(4, [pid 5867] umount2("./52/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6576] <... munmap resumed>) = 0 [pid 5863] <... getdents64 resumed>0x555566df1770 /* 2 entries */, 32768) = 48 [pid 6576] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5863] getdents64(4, [pid 6576] <... openat resumed>) = 4 [pid 5863] <... getdents64 resumed>0x555566df1770 /* 0 entries */, 32768) = 0 [pid 6576] ioctl(4, LOOP_SET_FD, 3 [ 217.591476][ T5863] [ 217.591476][ T5863] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 217.591476][ T5863] [pid 5863] close(4) = 0 [pid 5863] rmdir("./52/bus" [pid 6576] <... ioctl resumed>) = 0 [pid 5863] <... rmdir resumed>) = 0 [pid 6576] close(3) = 0 [pid 6576] close(4) = 0 [pid 6576] mkdir("./bus", 0777) = 0 [pid 6576] mount("/dev/loop2", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 5863] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5863] close(3) = 0 [pid 5863] rmdir("./52") = 0 [ 217.649248][ T6576] loop2: detected capacity change from 0 to 32768 [ 217.656915][ T5867] [ 217.656915][ T5867] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 217.656915][ T5867] [ 217.682266][ T5867] [ 217.682266][ T5867] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 217.682266][ T5867] [pid 5863] mkdir("./53", 0777) = 0 [pid 5863] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6580] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5863] <... openat resumed>) = 3 [pid 5863] ioctl(3, LOOP_CLR_FD) = 0 [pid 5863] close(3 [pid 5867] <... umount2 resumed>) = 0 [pid 5867] umount2("./52/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./52/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] umount2("./52/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./52/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5867] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5867] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5867] close(4) = 0 [pid 5867] rmdir("./52/bus") = 0 [pid 5867] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5867] close(3 [pid 6576] <... mount resumed>) = 0 [pid 6576] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5867] <... close resumed>) = 0 [pid 6576] <... openat resumed>) = 3 [pid 5867] rmdir("./52" [pid 6576] chdir("./bus" [pid 5867] <... rmdir resumed>) = 0 [pid 6576] <... chdir resumed>) = 0 [pid 5867] mkdir("./53", 0777) = 0 [pid 6576] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6576] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6575] <... futex resumed>) = 0 [pid 6575] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6575] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 217.700748][ T6576] [ 217.700748][ T6576] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 217.700748][ T6576] [pid 6576] chdir("./file0") = 0 [pid 5867] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 6576] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6575] <... futex resumed>) = 0 [pid 6575] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6575] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6576] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 5867] ioctl(3, LOOP_CLR_FD) = 0 [pid 5867] close(3 [pid 6575] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6575] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6575] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6578] <... write resumed>) = 16777216 [pid 6575] <... mmap resumed>) = 0x7f46d9f00000 [ 217.769280][ T6576] read_mapping_page failed! [ 217.783074][ T6576] ERROR: (device loop2): txCommit: [ 217.783074][ T6576] [pid 6575] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6575] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6575] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0}./strace-static-x86_64: Process 6582 attached => {parent_tid=[6582]}, 88) = 6582 [pid 6575] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6575] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6582] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053 [pid 6575] <... futex resumed>) = 0 [pid 6582] <... rseq resumed>) = 0 [pid 6575] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6582] set_robust_list(0x7f46d9f209a0, 24) = 0 [pid 6576] <... open resumed>) = -1 EIO (Input/output error) [pid 6576] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6576] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6582] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [ 217.838954][ T6582] read_mapping_page failed! [pid 6582] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x5) [pid 6578] munmap(0x7f46d1a00000, 138412032 [pid 6582] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6575] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6582] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6575] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6575] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6582] <... futex resumed>) = 0 [pid 6578] <... munmap resumed>) = 0 [pid 6576] <... futex resumed>) = 0 [ 217.864459][ T6582] ERROR: (device loop2): txCommit: [ 217.864459][ T6582] [pid 6582] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6576] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6578] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 6578] ioctl(4, LOOP_SET_FD, 3 [pid 6575] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6578] <... ioctl resumed>) = 0 [pid 6576] <... openat resumed>) = -1 EIO (Input/output error) [pid 6578] close(3 [pid 6576] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6578] <... close resumed>) = 0 [pid 6578] close(4) = 0 [pid 6575] exit_group(0) = ? [pid 6582] <... futex resumed>) = ? [pid 6578] mkdir("./bus", 0777 [pid 6582] +++ exited with 0 +++ [pid 6576] <... futex resumed>) = ? [pid 6578] <... mkdir resumed>) = 0 [pid 6576] +++ exited with 0 +++ [pid 6575] +++ exited with 0 +++ [pid 6578] mount("/dev/loop3", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6575, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=26 /* 0.26 s */} --- [ 217.913793][ T6576] read_mapping_page failed! [ 217.918362][ T6576] ERROR: (device loop2): txCommit: [ 217.918362][ T6576] [ 217.936885][ T6578] loop3: detected capacity change from 0 to 32768 [pid 5865] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5865] umount2("./53", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./53", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5865] umount2("./53/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./53/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./53/binderfs") = 0 [pid 5865] umount2("./53/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6578] <... mount resumed>) = 0 [pid 6578] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6578] chdir("./bus") = 0 [ 217.985656][ T6578] [ 217.985656][ T6578] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 217.985656][ T6578] [ 218.013801][ T5865] [ 218.013801][ T5865] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 218.013801][ T5865] [pid 6578] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5863] <... close resumed>) = 0 [pid 6578] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6577] <... futex resumed>) = 0 [pid 6578] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6577] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6578] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6577] <... futex resumed>) = 0 [pid 6578] chdir("./file0" [pid 6577] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5863] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6583 attached [pid 6578] <... chdir resumed>) = 0 [pid 6578] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] <... clone resumed>, child_tidptr=0x555566de8690) = 6583 [pid 6578] <... futex resumed>) = 1 [pid 6577] <... futex resumed>) = 0 [pid 6577] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6578] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6577] <... futex resumed>) = 0 [pid 6577] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6583] set_robust_list(0x555566de86a0, 24) = 0 [pid 6583] chdir("./53") = 0 [pid 6583] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [ 218.036314][ T5865] [ 218.036314][ T5865] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 218.036314][ T5865] [ 218.063493][ T6578] read_mapping_page failed! [pid 6583] setpgid(0, 0) = 0 [pid 5867] <... close resumed>) = 0 [pid 6583] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6578] <... open resumed>) = -1 EIO (Input/output error) [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5865] <... umount2 resumed>) = 0 ./strace-static-x86_64: Process 6584 attached [pid 6583] <... openat resumed>) = 3 [pid 6578] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] <... clone resumed>, child_tidptr=0x555566de8690) = 6584 [pid 6584] set_robust_list(0x555566de86a0, 24 [pid 6583] write(3, "1000", 4 [pid 6578] <... futex resumed>) = 1 [pid 6577] <... futex resumed>) = 0 [pid 6583] <... write resumed>) = 4 [pid 6578] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6577] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6583] close(3 [pid 6577] <... futex resumed>) = 0 [ 218.081773][ T6578] ERROR: (device loop3): txCommit: [ 218.081773][ T6578] [pid 6584] <... set_robust_list resumed>) = 0 [pid 6583] <... close resumed>) = 0 [pid 6580] <... write resumed>) = 16777216 [pid 6578] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6577] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5865] umount2("./53/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6583] symlink("/dev/binderfs", "./binderfs" [pid 6578] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x7) [pid 6584] chdir("./53" [pid 6580] munmap(0x7f46d1a00000, 138412032 [pid 6584] <... chdir resumed>) = 0 [pid 6583] <... symlink resumed>) = 0 [pid 6578] <... mknod resumed>) = -1 EIO (Input/output error) [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 6584] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6583] write(1, "executing program\n", 18 [pid 6578] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] newfstatat(AT_FDCWD, "./53/bus", [pid 6584] <... prctl resumed>) = 0 [pid 6583] <... write resumed>) = 18 [pid 6578] <... futex resumed>) = 1 [pid 6577] <... futex resumed>) = 0 [pid 6584] setpgid(0, 0 [pid 6583] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6578] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6577] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6584] <... setpgid resumed>) = 0 [pid 6583] <... futex resumed>) = 0 [pid 6577] <... futex resumed>) = 0 [pid 6583] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, [pid 6577] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5865] umount2("./53/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6584] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6583] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6583] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6584] <... openat resumed>) = 3 [pid 6583] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6583] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5865] openat(AT_FDCWD, "./53/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6584] write(3, "1000", 4 [pid 6583] <... mmap resumed>) = 0x7f46d9f21000 [pid 6583] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6583] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6583] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0}./strace-static-x86_64: Process 6585 attached [pid 6585] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6583] <... clone3 resumed> => {parent_tid=[6585]}, 88) = 6585 [pid 6585] <... rseq resumed>) = 0 [pid 6583] rt_sigprocmask(SIG_SETMASK, [], [pid 6585] set_robust_list(0x7f46d9f419a0, 24 [pid 6583] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6585] <... set_robust_list resumed>) = 0 [pid 6583] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6585] rt_sigprocmask(SIG_SETMASK, [], [pid 6583] <... futex resumed>) = 0 [pid 6585] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6583] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6585] memfd_create("syzkaller", 0) = 3 [pid 6584] <... write resumed>) = 4 [pid 5865] <... openat resumed>) = 4 [pid 6585] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6584] close(3 [pid 5865] newfstatat(4, "", [pid 6585] <... mmap resumed>) = 0x7f46d1a00000 [pid 6584] <... close resumed>) = 0 [pid 6578] <... openat resumed>) = -1 EIO (Input/output error) [pid 5865] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6584] symlink("/dev/binderfs", "./binderfs" [pid 6578] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] getdents64(4, [pid 6584] <... symlink resumed>) = 0 executing program [pid 6578] <... futex resumed>) = 1 [pid 6577] <... futex resumed>) = 0 [pid 5865] <... getdents64 resumed>0x555566df1770 /* 2 entries */, 32768) = 48 [pid 6584] write(1, "executing program\n", 18 [pid 6580] <... munmap resumed>) = 0 [pid 6578] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6577] exit_group(0 [pid 5865] getdents64(4, [pid 6584] <... write resumed>) = 18 [pid 6580] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6578] <... futex resumed>) = ? [pid 6577] <... exit_group resumed>) = ? [pid 5865] <... getdents64 resumed>0x555566df1770 /* 0 entries */, 32768) = 0 [pid 6584] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6580] <... openat resumed>) = 4 [pid 6578] +++ exited with 0 +++ [pid 6577] +++ exited with 0 +++ [pid 5865] close(4 [pid 6584] <... futex resumed>) = 0 [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6577, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=26 /* 0.26 s */} --- [pid 5865] <... close resumed>) = 0 [pid 6584] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, [pid 5866] restart_syscall(<... resuming interrupted clone ...> [pid 5865] rmdir("./53/bus" [pid 6584] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6580] ioctl(4, LOOP_SET_FD, 3 [pid 5866] <... restart_syscall resumed>) = 0 [ 218.117009][ T6578] read_mapping_page failed! [ 218.121576][ T6578] ERROR: (device loop3): txCommit: [ 218.121576][ T6578] [ 218.143342][ T6578] read_mapping_page failed! [ 218.150058][ T6578] ERROR: (device loop3): txCommit: [ 218.150058][ T6578] [pid 5865] <... rmdir resumed>) = 0 [pid 6584] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5865] getdents64(3, [pid 6584] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5865] <... getdents64 resumed>0x555566de9730 /* 0 entries */, 32768) = 0 [pid 6584] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5866] umount2("./53", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5865] close(3 [pid 6584] <... mmap resumed>) = 0x7f46d9f21000 [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5865] <... close resumed>) = 0 [pid 6584] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE [pid 5866] openat(AT_FDCWD, "./53", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5865] rmdir("./53" [pid 6584] <... mprotect resumed>) = 0 [pid 5866] <... openat resumed>) = 3 [pid 5865] <... rmdir resumed>) = 0 [pid 6584] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5866] newfstatat(3, "", [pid 5865] mkdir("./54", 0777 [pid 6584] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5866] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] <... mkdir resumed>) = 0 [pid 6584] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} [pid 5866] getdents64(3, ./strace-static-x86_64: Process 6586 attached 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5866] umount2("./53/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5865] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6586] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6584] <... clone3 resumed> => {parent_tid=[6586]}, 88) = 6586 [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5865] <... openat resumed>) = 3 [pid 6586] <... rseq resumed>) = 0 [pid 6584] rt_sigprocmask(SIG_SETMASK, [], [pid 5866] newfstatat(AT_FDCWD, "./53/binderfs", [pid 6586] set_robust_list(0x7f46d9f419a0, 24 [pid 6584] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6580] <... ioctl resumed>) = 0 [pid 5866] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] ioctl(3, LOOP_CLR_FD [pid 6586] <... set_robust_list resumed>) = 0 [pid 6584] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6580] close(3 [pid 5866] unlink("./53/binderfs" [pid 6586] rt_sigprocmask(SIG_SETMASK, [], [pid 6584] <... futex resumed>) = 0 [pid 6580] <... close resumed>) = 0 [pid 5866] <... unlink resumed>) = 0 [pid 5865] <... ioctl resumed>) = 0 [pid 6586] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6584] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6580] close(4 [pid 5866] umount2("./53/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5865] close(3 [pid 6586] memfd_create("syzkaller", 0 [pid 6580] <... close resumed>) = 0 [pid 6586] <... memfd_create resumed>) = 3 [pid 6580] mkdir("./bus", 0777) = 0 [pid 6586] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6580] mount("/dev/loop1", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6586] <... mmap resumed>) = 0x7f46d1a00000 [ 218.175167][ T6580] loop1: detected capacity change from 0 to 32768 [ 218.204047][ T5866] [ 218.204047][ T5866] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 218.204047][ T5866] [pid 6580] <... mount resumed>) = 0 [pid 6580] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5866] <... umount2 resumed>) = 0 [pid 6580] chdir("./bus" [pid 5866] umount2("./53/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6580] <... chdir resumed>) = 0 [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6580] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6580] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] newfstatat(AT_FDCWD, "./53/bus", [pid 6580] <... futex resumed>) = 1 [pid 6579] <... futex resumed>) = 0 [pid 6580] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6579] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6580] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6579] <... futex resumed>) = 0 [pid 5866] umount2("./53/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6580] chdir("./file0" [pid 6579] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6580] <... chdir resumed>) = 0 [pid 5866] openat(AT_FDCWD, "./53/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6580] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] <... openat resumed>) = 4 [ 218.237237][ T5866] [ 218.237237][ T5866] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 218.237237][ T5866] [ 218.263448][ T6580] [ 218.263448][ T6580] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 218.263448][ T6580] [pid 6580] <... futex resumed>) = 1 [pid 6579] <... futex resumed>) = 0 [pid 5866] newfstatat(4, "", [pid 6580] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6579] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6580] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6579] <... futex resumed>) = 0 [pid 5866] getdents64(4, [pid 6580] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6579] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] <... getdents64 resumed>0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5866] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5866] close(4) = 0 [pid 5866] rmdir("./53/bus") = 0 [pid 5866] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5866] close(3) = 0 [pid 5866] rmdir("./53") = 0 [pid 5866] mkdir("./54", 0777 [pid 6580] <... open resumed>) = -1 EIO (Input/output error) [pid 5866] <... mkdir resumed>) = 0 [pid 6580] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6580] <... futex resumed>) = 1 [pid 6579] <... futex resumed>) = 0 [pid 6580] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x3) [pid 6579] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] <... openat resumed>) = 3 [ 218.320197][ T6580] read_mapping_page failed! [ 218.331567][ T6580] ERROR: (device loop1): txCommit: [ 218.331567][ T6580] [pid 6579] <... futex resumed>) = 0 [pid 5866] ioctl(3, LOOP_CLR_FD [pid 6579] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] <... ioctl resumed>) = 0 [pid 5866] close(3 [pid 6580] <... mknod resumed>) = -1 EIO (Input/output error) [ 218.367645][ T6580] read_mapping_page failed! [ 218.372473][ T6580] ERROR: (device loop1): txCommit: [ 218.372473][ T6580] [pid 6580] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6579] <... futex resumed>) = 0 [pid 6580] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6579] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6580] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6579] <... futex resumed>) = 0 [pid 6580] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [ 218.431747][ T6580] read_mapping_page failed! [pid 6579] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6580] <... openat resumed>) = -1 EIO (Input/output error) [pid 6579] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6580] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6579] exit_group(0) = ? [pid 6580] +++ exited with 0 +++ [pid 6579] +++ exited with 0 +++ [pid 5864] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6579, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=28 /* 0.28 s */} --- [pid 5864] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5864] umount2("./52", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] openat(AT_FDCWD, "./52", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5864] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5864] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5864] umount2("./52/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] newfstatat(AT_FDCWD, "./52/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 218.452363][ T6580] ERROR: (device loop1): txCommit: [ 218.452363][ T6580] [pid 5864] unlink("./52/binderfs") = 0 [pid 5864] umount2("./52/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5865] <... close resumed>) = 0 [pid 5864] <... umount2 resumed>) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6587 attached , child_tidptr=0x555566de8690) = 6587 [pid 6587] set_robust_list(0x555566de86a0, 24 [pid 6585] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6587] <... set_robust_list resumed>) = 0 [pid 5864] umount2("./52/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] newfstatat(AT_FDCWD, "./52/bus", [pid 6587] chdir("./54" [pid 5864] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5864] umount2("./52/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] openat(AT_FDCWD, "./52/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5864] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5864] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5864] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5864] close(4) = 0 [pid 5864] rmdir("./52/bus" [pid 6587] <... chdir resumed>) = 0 [pid 5864] <... rmdir resumed>) = 0 [pid 5864] getdents64(3, [pid 6587] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5864] <... getdents64 resumed>0x555566de9730 /* 0 entries */, 32768) = 0 [pid 6587] <... prctl resumed>) = 0 [pid 5864] close(3 [pid 6587] setpgid(0, 0 [pid 5864] <... close resumed>) = 0 [pid 6587] <... setpgid resumed>) = 0 [pid 6587] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5864] rmdir("./52" [pid 6587] <... openat resumed>) = 3 [pid 5864] <... rmdir resumed>) = 0 [ 218.501342][ T5864] [ 218.501342][ T5864] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 218.501342][ T5864] [ 218.524592][ T5864] [ 218.524592][ T5864] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 218.524592][ T5864] [pid 6587] write(3, "1000", 4) = 4 [pid 6587] close(3 [pid 5864] mkdir("./53", 0777 [pid 6587] <... close resumed>) = 0 [pid 5864] <... mkdir resumed>) = 0 [pid 5864] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6587] symlink("/dev/binderfs", "./binderfs" [pid 5864] <... openat resumed>) = 3 [pid 5864] ioctl(3, LOOP_CLR_FD) = 0 [pid 5864] close(3 [pid 6587] <... symlink resumed>) = 0 [pid 6587] write(1, "executing program\n", 18executing program ) = 18 [pid 6587] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6587] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6587] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6587] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6587] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6587] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6587] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0}./strace-static-x86_64: Process 6588 attached => {parent_tid=[6588]}, 88) = 6588 [pid 6587] rt_sigprocmask(SIG_SETMASK, [], [pid 6588] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6587] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6587] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6588] <... rseq resumed>) = 0 [pid 6587] <... futex resumed>) = 0 [pid 6588] set_robust_list(0x7f46d9f419a0, 24 [pid 6587] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6588] <... set_robust_list resumed>) = 0 [pid 6588] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6588] memfd_create("syzkaller", 0) = 3 [pid 6588] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 6586] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5866] <... close resumed>) = 0 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555566de8690) = 6589 ./strace-static-x86_64: Process 6589 attached [pid 6589] set_robust_list(0x555566de86a0, 24) = 0 [pid 6589] chdir("./54") = 0 [pid 6589] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6589] setpgid(0, 0) = 0 [pid 6589] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6589] write(3, "1000", 4) = 4 [pid 6589] close(3) = 0 [pid 6589] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6589] write(1, "executing program\n", 18) = 18 [pid 6589] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6589] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6589] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6589] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6589] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6589] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6589] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0}./strace-static-x86_64: Process 6590 attached => {parent_tid=[6590]}, 88) = 6590 [pid 6590] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6589] rt_sigprocmask(SIG_SETMASK, [], [pid 6590] <... rseq resumed>) = 0 [pid 6589] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6590] set_robust_list(0x7f46d9f419a0, 24 [pid 6589] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6590] <... set_robust_list resumed>) = 0 [pid 6589] <... futex resumed>) = 0 [pid 6590] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6589] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6590] memfd_create("syzkaller", 0) = 3 [pid 6590] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 5864] <... close resumed>) = 0 [pid 5864] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6591 attached , child_tidptr=0x555566de8690) = 6591 [pid 6591] set_robust_list(0x555566de86a0, 24) = 0 [pid 6591] chdir("./53") = 0 [pid 6591] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6591] setpgid(0, 0) = 0 [pid 6591] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 executing program [pid 6591] write(3, "1000", 4) = 4 [pid 6591] close(3) = 0 [pid 6591] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6591] write(1, "executing program\n", 18) = 18 [pid 6591] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6591] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6591] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6591] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6591] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6591] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6591] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0}./strace-static-x86_64: Process 6592 attached => {parent_tid=[6592]}, 88) = 6592 [pid 6591] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6591] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6591] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6592] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053) = 0 [pid 6592] set_robust_list(0x7f46d9f419a0, 24) = 0 [pid 6592] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6592] memfd_create("syzkaller", 0) = 3 [pid 6592] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 6585] <... write resumed>) = 16777216 [pid 6585] munmap(0x7f46d1a00000, 138412032) = 0 [pid 6588] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6585] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 6585] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6585] close(3) = 0 [pid 6585] close(4) = 0 [pid 6585] mkdir("./bus", 0777) = 0 [ 218.984600][ T6585] loop0: detected capacity change from 0 to 32768 [ 219.023001][ T6585] [ 219.023001][ T6585] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 219.023001][ T6585] [pid 6585] mount("/dev/loop0", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic,") = 0 [pid 6590] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6585] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6585] chdir("./bus") = 0 [pid 6585] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6585] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6585] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6583] <... futex resumed>) = 0 [pid 6583] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6585] <... futex resumed>) = 0 [pid 6583] <... futex resumed>) = 1 [pid 6585] chdir("./file0" [pid 6583] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6586] <... write resumed>) = 16777216 [pid 6586] munmap(0x7f46d1a00000, 138412032 [pid 6585] <... chdir resumed>) = 0 [pid 6585] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6585] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6583] <... futex resumed>) = 0 [pid 6583] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6585] <... futex resumed>) = 0 [pid 6583] <... futex resumed>) = 1 [pid 6583] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6585] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6586] <... munmap resumed>) = 0 [pid 6586] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 6586] ioctl(4, LOOP_SET_FD, 3 [pid 6585] <... open resumed>) = -1 EIO (Input/output error) [pid 6583] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6586] <... ioctl resumed>) = 0 [pid 6586] close(3 [pid 6583] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6586] <... close resumed>) = 0 [pid 6583] <... futex resumed>) = 0 [pid 6586] close(4 [pid 6583] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f00000 [pid 6586] <... close resumed>) = 0 [pid 6583] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE [pid 6585] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6585] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6586] mkdir("./bus", 0777 [pid 6583] <... mprotect resumed>) = 0 [pid 6583] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6583] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0} [pid 6586] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 6593 attached [ 219.115003][ T6585] read_mapping_page failed! [ 219.119569][ T6585] ERROR: (device loop0): txCommit: [ 219.119569][ T6585] [ 219.146717][ T6586] loop4: detected capacity change from 0 to 32768 [pid 6586] mount("/dev/loop4", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6583] <... clone3 resumed> => {parent_tid=[6593]}, 88) = 6593 [pid 6593] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053 [pid 6583] rt_sigprocmask(SIG_SETMASK, [], [pid 6593] <... rseq resumed>) = 0 [pid 6583] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6593] set_robust_list(0x7f46d9f209a0, 24 [pid 6583] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6583] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6593] <... set_robust_list resumed>) = 0 [pid 6593] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [ 219.212095][ T6593] read_mapping_page failed! [pid 6593] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x1)) = -1 EIO (Input/output error) [pid 6593] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6583] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6593] <... futex resumed>) = 0 [pid 6583] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6593] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6583] <... futex resumed>) = 1 [pid 6586] <... mount resumed>) = 0 [pid 6585] <... futex resumed>) = 0 [pid 6583] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6586] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6585] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6586] <... openat resumed>) = 3 [pid 6586] chdir("./bus") = 0 [pid 6586] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [ 219.233127][ T6593] ERROR: (device loop0): txCommit: [ 219.233127][ T6593] [ 219.243264][ T6586] [ 219.243264][ T6586] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 219.243264][ T6586] [ 219.271743][ T6585] read_mapping_page failed! [pid 6586] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6586] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6584] <... futex resumed>) = 0 [pid 6584] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6586] <... futex resumed>) = 0 [pid 6584] <... futex resumed>) = 1 [pid 6586] chdir("./file0" [pid 6585] <... openat resumed>) = -1 EIO (Input/output error) [pid 6584] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6586] <... chdir resumed>) = 0 [pid 6586] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6584] <... futex resumed>) = 0 [pid 6586] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6584] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6583] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6584] <... futex resumed>) = 0 [pid 6584] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6585] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6585] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6583] exit_group(0 [pid 6593] <... futex resumed>) = ? [pid 6585] <... futex resumed>) = ? [pid 6583] <... exit_group resumed>) = ? [pid 6593] +++ exited with 0 +++ [pid 6585] +++ exited with 0 +++ [pid 6583] +++ exited with 0 +++ [pid 5863] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6583, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=26 /* 0.26 s */} --- [pid 5863] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5863] umount2("./53", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] openat(AT_FDCWD, "./53", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5863] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5863] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5863] umount2("./53/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] newfstatat(AT_FDCWD, "./53/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6592] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5863] unlink("./53/binderfs") = 0 [pid 5863] umount2("./53/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6586] <... open resumed>) = -1 EIO (Input/output error) [pid 6586] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6584] <... futex resumed>) = 0 [pid 6584] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 219.296311][ T6585] ERROR: (device loop0): txCommit: [ 219.296311][ T6585] [ 219.321767][ T6586] read_mapping_page failed! [ 219.336062][ T6586] ERROR: (device loop4): txCommit: [ 219.336062][ T6586] [pid 6584] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6586] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x9) [pid 6588] <... write resumed>) = 16777216 [pid 6584] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6588] munmap(0x7f46d1a00000, 138412032 [pid 6584] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6584] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f00000 [pid 6584] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6584] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6584] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0} => {parent_tid=[6594]}, 88) = 6594 [pid 6584] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6584] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6584] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6594 attached [pid 6594] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053) = 0 [pid 6594] set_robust_list(0x7f46d9f209a0, 24) = 0 [pid 6594] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6594] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 5863] <... umount2 resumed>) = 0 [ 219.370613][ T6586] read_mapping_page failed! [ 219.376351][ T5863] [ 219.376351][ T5863] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 219.376351][ T5863] [ 219.393457][ T5863] [ 219.393457][ T5863] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 219.393457][ T5863] [ 219.398602][ T6586] ERROR: (device loop4): txCommit: [ 219.398602][ T6586] [pid 5863] umount2("./53/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6586] <... mknod resumed>) = -1 EIO (Input/output error) [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5863] newfstatat(AT_FDCWD, "./53/bus", [pid 6586] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5863] umount2("./53/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6588] <... munmap resumed>) = 0 [pid 6586] <... futex resumed>) = 0 [pid 6588] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6586] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6588] <... openat resumed>) = 4 [pid 5863] openat(AT_FDCWD, "./53/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6594] <... openat resumed>) = -1 EIO (Input/output error) [pid 6594] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6588] ioctl(4, LOOP_SET_FD, 3 [pid 5863] <... openat resumed>) = 4 [ 219.446117][ T6594] read_mapping_page failed! [ 219.450685][ T6594] ERROR: (device loop4): txCommit: [ 219.450685][ T6594] [pid 5863] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5863] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5863] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5863] close(4) = 0 [pid 5863] rmdir("./53/bus") = 0 [pid 5863] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5863] close(3) = 0 [pid 5863] rmdir("./53") = 0 [pid 6594] <... futex resumed>) = 0 [pid 6588] <... ioctl resumed>) = 0 [pid 6584] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6584] exit_group(0 [pid 6594] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL) = ? [pid 6586] <... futex resumed>) = ? [pid 6584] <... exit_group resumed>) = ? [pid 6586] +++ exited with 0 +++ [pid 6594] +++ exited with 0 +++ [pid 6588] close(3 [pid 6584] +++ exited with 0 +++ [pid 5863] mkdir("./54", 0777 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6584, si_uid=0, si_status=0, si_utime=10 /* 0.10 s */, si_stime=24 /* 0.24 s */} --- [pid 6588] <... close resumed>) = 0 [pid 6588] close(4 [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 6588] <... close resumed>) = 0 [pid 5863] <... mkdir resumed>) = 0 [pid 6588] mkdir("./bus", 0777 [pid 5867] <... restart_syscall resumed>) = 0 [pid 5863] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6588] <... mkdir resumed>) = 0 [pid 5867] umount2("./53", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6588] mount("/dev/loop2", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 5867] openat(AT_FDCWD, "./53", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5863] <... openat resumed>) = 3 [pid 5867] <... openat resumed>) = 3 [pid 5863] ioctl(3, LOOP_CLR_FD [pid 5867] newfstatat(3, "", [pid 5863] <... ioctl resumed>) = 0 [pid 5867] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5863] close(3 [pid 5867] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5867] umount2("./53/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./53/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] unlink("./53/binderfs") = 0 [ 219.486654][ T6588] loop2: detected capacity change from 0 to 32768 [pid 5867] umount2("./53/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6590] <... write resumed>) = 16777216 [pid 6590] munmap(0x7f46d1a00000, 138412032 [pid 6588] <... mount resumed>) = 0 [pid 6588] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6588] chdir("./bus") = 0 [pid 6588] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6588] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6587] <... futex resumed>) = 0 [pid 6588] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6587] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6588] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6588] chdir("./file0" [pid 6587] <... futex resumed>) = 0 [ 219.531149][ T6588] [ 219.531149][ T6588] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 219.531149][ T6588] [ 219.543607][ T5867] [ 219.543607][ T5867] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 219.543607][ T5867] [pid 6587] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6588] <... chdir resumed>) = 0 [pid 6588] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6587] <... futex resumed>) = 0 [pid 6588] <... futex resumed>) = 1 [pid 6587] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6588] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6587] <... futex resumed>) = 0 [pid 6587] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6590] <... munmap resumed>) = 0 [pid 6588] <... open resumed>) = -1 EIO (Input/output error) [pid 6588] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6590] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6588] <... futex resumed>) = 1 [pid 6587] <... futex resumed>) = 0 [ 219.589831][ T5867] [ 219.589831][ T5867] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 219.589831][ T5867] [ 219.605520][ T6588] read_mapping_page failed! [ 219.612806][ T6588] ERROR: (device loop2): txCommit: [ 219.612806][ T6588] [pid 6590] <... openat resumed>) = 4 [pid 6588] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x5) [pid 6587] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6590] ioctl(4, LOOP_SET_FD, 3 [pid 6587] <... futex resumed>) = 0 [pid 6587] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] <... umount2 resumed>) = 0 [pid 6590] <... ioctl resumed>) = 0 [pid 6590] close(3 [pid 6588] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6590] <... close resumed>) = 0 [pid 6590] close(4 [pid 6588] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6590] <... close resumed>) = 0 [pid 6587] <... futex resumed>) = 0 [pid 6590] mkdir("./bus", 0777 [pid 6588] <... futex resumed>) = 1 [pid 6587] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5867] umount2("./53/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6588] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6587] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./53/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] umount2("./53/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./53/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5867] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5867] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5867] close(4) = 0 [pid 5867] rmdir("./53/bus") = 0 [pid 5867] getdents64(3, [pid 6592] <... write resumed>) = 16777216 [pid 6588] <... openat resumed>) = -1 EIO (Input/output error) [pid 6592] munmap(0x7f46d1a00000, 138412032 [pid 6588] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6587] <... futex resumed>) = 0 [pid 6587] exit_group(0) = ? [ 219.646652][ T6590] loop3: detected capacity change from 0 to 32768 [ 219.654157][ T6588] read_mapping_page failed! [ 219.663560][ T6588] ERROR: (device loop2): txCommit: [ 219.663560][ T6588] [ 219.684672][ T6588] read_mapping_page failed! [ 219.689226][ T6588] ERROR: (device loop2): txCommit: [ 219.689226][ T6588] [pid 6588] +++ exited with 0 +++ [pid 6587] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6587, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=26 /* 0.26 s */} --- [pid 5865] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5865] umount2("./54", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./54", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, [pid 6590] <... mkdir resumed>) = 0 [pid 5865] <... getdents64 resumed>0x555566de9730 /* 4 entries */, 32768) = 104 [pid 6590] mount("/dev/loop3", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 5865] umount2("./54/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5867] <... getdents64 resumed>0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5867] close(3) = 0 [pid 5867] rmdir("./53") = 0 [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./54/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./54/binderfs" [pid 5867] mkdir("./54", 0777) = 0 [pid 5865] <... unlink resumed>) = 0 [pid 5865] umount2("./54/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5867] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5867] ioctl(3, LOOP_CLR_FD) = 0 [ 219.747613][ T5865] [ 219.747613][ T5865] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 219.747613][ T5865] [ 219.758346][ T6590] [ 219.758346][ T6590] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 219.758346][ T6590] [pid 5867] close(3 [pid 6592] <... munmap resumed>) = 0 [pid 6592] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 6592] ioctl(4, LOOP_SET_FD, 3 [pid 6590] <... mount resumed>) = 0 [pid 6590] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6590] chdir("./bus") = 0 [pid 6590] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6590] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6592] <... ioctl resumed>) = 0 [pid 6590] <... futex resumed>) = 1 [pid 6589] <... futex resumed>) = 0 [pid 6590] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6589] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6592] close(3 [pid 6590] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6589] <... futex resumed>) = 0 [pid 6592] <... close resumed>) = 0 [pid 6590] chdir("./file0" [pid 6592] close(4) = 0 [pid 6592] mkdir("./bus", 0777 [pid 6590] <... chdir resumed>) = 0 [pid 6592] <... mkdir resumed>) = 0 [pid 6590] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] <... umount2 resumed>) = 0 [pid 6592] mount("/dev/loop1", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6590] <... futex resumed>) = 0 [ 219.789366][ T5865] [ 219.789366][ T5865] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 219.789366][ T5865] [ 219.789789][ T6592] loop1: detected capacity change from 0 to 32768 [pid 6590] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6589] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5865] umount2("./54/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6589] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5865] newfstatat(AT_FDCWD, "./54/bus", [pid 6589] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] umount2("./54/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6590] <... futex resumed>) = 0 [pid 6589] <... futex resumed>) = 1 [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6590] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 5865] openat(AT_FDCWD, "./54/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5865] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5865] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5865] close(4) = 0 [pid 5865] rmdir("./54/bus") = 0 [pid 5865] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./54") = 0 [pid 5865] mkdir("./55", 0777 [pid 5863] <... close resumed>) = 0 [pid 6589] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5865] <... mkdir resumed>) = 0 [pid 5865] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5863] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6595 attached [pid 5865] <... openat resumed>) = 3 [pid 6592] <... mount resumed>) = 0 [pid 6590] <... open resumed>) = -1 EIO (Input/output error) [pid 5865] ioctl(3, LOOP_CLR_FD [pid 6592] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6590] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6592] <... openat resumed>) = 3 [pid 6590] <... futex resumed>) = 1 [pid 6589] <... futex resumed>) = 0 [pid 6592] chdir("./bus" [pid 6590] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6589] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6592] <... chdir resumed>) = 0 [pid 6590] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6589] <... futex resumed>) = 0 [pid 6592] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6590] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x7) [pid 6589] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6592] <... openat resumed>) = -1 EBUSY (Device or resource busy) [ 219.863761][ T6592] [ 219.863761][ T6592] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 219.863761][ T6592] [ 219.875286][ T6590] read_mapping_page failed! [ 219.879837][ T6590] ERROR: (device loop3): txCommit: [ 219.879837][ T6590] [pid 6595] set_robust_list(0x555566de86a0, 24 [pid 6592] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] <... ioctl resumed>) = 0 [pid 5863] <... clone resumed>, child_tidptr=0x555566de8690) = 6595 [pid 6595] <... set_robust_list resumed>) = 0 [pid 5865] close(3 [pid 6595] chdir("./54" [pid 6592] <... futex resumed>) = 1 [pid 6591] <... futex resumed>) = 0 [pid 6595] <... chdir resumed>) = 0 [pid 6592] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6591] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6595] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6592] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6591] <... futex resumed>) = 0 [pid 6595] <... prctl resumed>) = 0 [pid 6592] chdir("./file0" [pid 6591] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6595] setpgid(0, 0) = 0 [pid 6595] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6595] write(3, "1000", 4) = 4 [pid 6595] close(3) = 0 [pid 6595] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6595] write(1, "executing program\n", 18) = 18 [pid 6595] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6592] <... chdir resumed>) = 0 [pid 6595] <... futex resumed>) = 0 [pid 6592] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6595] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, [pid 6592] <... futex resumed>) = 1 [pid 6591] <... futex resumed>) = 0 [pid 6595] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6592] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6591] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6595] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6592] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6591] <... futex resumed>) = 0 [pid 6595] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6592] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6591] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6595] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6595] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [ 219.912137][ T6590] read_mapping_page failed! [pid 6595] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6595] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0}./strace-static-x86_64: Process 6596 attached => {parent_tid=[6596]}, 88) = 6596 [pid 6595] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6595] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6595] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6596] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053) = 0 [pid 6596] set_robust_list(0x7f46d9f419a0, 24) = 0 [pid 6596] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6596] memfd_create("syzkaller", 0 [pid 6589] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6596] <... memfd_create resumed>) = 3 [pid 6596] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6589] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6596] <... mmap resumed>) = 0x7f46d1a00000 [pid 6589] <... futex resumed>) = 0 [pid 6591] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6589] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6591] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6589] <... mmap resumed>) = 0x7f46d9f00000 [pid 6589] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE [pid 6591] <... futex resumed>) = 0 [pid 6591] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f00000 [pid 6591] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6591] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6591] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0}./strace-static-x86_64: Process 6597 attached [pid 6592] <... open resumed>) = -1 EIO (Input/output error) [pid 6590] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6589] <... mprotect resumed>) = 0 [pid 6592] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6590] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6589] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6592] <... futex resumed>) = 0 [pid 6590] <... futex resumed>) = 0 [pid 6589] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6592] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6590] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6597] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053 [pid 6591] <... clone3 resumed> => {parent_tid=[6597]}, 88) = 6597 [pid 6597] <... rseq resumed>) = 0 [pid 6591] rt_sigprocmask(SIG_SETMASK, [], [pid 6597] set_robust_list(0x7f46d9f209a0, 24 [pid 6591] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6597] <... set_robust_list resumed>) = 0 [pid 6591] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6597] rt_sigprocmask(SIG_SETMASK, [], [pid 6591] <... futex resumed>) = 0 [pid 6597] <... rt_sigprocmask resumed>NULL, 8) = 0 [ 219.944240][ T6592] read_mapping_page failed! [ 219.948812][ T6592] ERROR: (device loop1): txCommit: [ 219.948812][ T6592] [ 219.966474][ T6590] ERROR: (device loop3): txCommit: [ 219.966474][ T6590] [pid 6591] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6597] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x3) [pid 6589] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0}./strace-static-x86_64: Process 6598 attached [pid 6598] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053 [pid 6589] <... clone3 resumed> => {parent_tid=[6598]}, 88) = 6598 [pid 6598] <... rseq resumed>) = 0 [pid 6589] rt_sigprocmask(SIG_SETMASK, [], [pid 6598] set_robust_list(0x7f46d9f209a0, 24 [pid 6589] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5867] <... close resumed>) = 0 [pid 6589] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6598] <... set_robust_list resumed>) = 0 [pid 6589] <... futex resumed>) = 0 [pid 6589] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6599 attached [pid 6598] rt_sigprocmask(SIG_SETMASK, [], [pid 5867] <... clone resumed>, child_tidptr=0x555566de8690) = 6599 [pid 6598] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6598] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6599] set_robust_list(0x555566de86a0, 24) = 0 [pid 6599] chdir("./54" [pid 6591] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6599] <... chdir resumed>) = 0 [pid 6591] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6599] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6592] <... futex resumed>) = 0 [pid 6591] <... futex resumed>) = 1 [pid 6599] <... prctl resumed>) = 0 [pid 6592] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6591] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6599] setpgid(0, 0) = 0 [pid 6598] <... openat resumed>) = -1 EIO (Input/output error) [pid 6599] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6598] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6597] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6597] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6599] <... openat resumed>) = 3 [pid 6597] <... futex resumed>) = 0 [ 220.013929][ T6597] read_mapping_page failed! [ 220.018492][ T6597] ERROR: (device loop1): txCommit: [ 220.018492][ T6597] [ 220.044693][ T6598] read_mapping_page failed! [ 220.054450][ T6598] ERROR: (device loop3): txCommit: [ 220.054450][ T6598] [pid 6597] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6599] write(3, "1000", 4 [pid 6598] <... futex resumed>) = 1 [pid 6589] <... futex resumed>) = 0 [pid 6599] <... write resumed>) = 4 [pid 6598] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6589] exit_group(0 [pid 6599] close(3 [pid 6589] <... exit_group resumed>) = ? [pid 6599] <... close resumed>) = 0 [pid 6599] symlink("/dev/binderfs", "./binderfs" [pid 6598] <... futex resumed>) = ? [pid 6590] <... futex resumed>) = ? [pid 6590] +++ exited with 0 +++ [pid 6598] +++ exited with 0 +++ [pid 6589] +++ exited with 0 +++ executing program [pid 6599] <... symlink resumed>) = 0 [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6589, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=31 /* 0.31 s */} --- [pid 5866] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 6599] write(1, "executing program\n", 18 [pid 5866] umount2("./54", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6599] <... write resumed>) = 18 [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6599] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] openat(AT_FDCWD, "./54", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6599] <... futex resumed>) = 0 [pid 5866] <... openat resumed>) = 3 [pid 6599] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, [pid 5866] newfstatat(3, "", [pid 6599] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5866] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6599] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5866] getdents64(3, [pid 6599] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5866] <... getdents64 resumed>0x555566de9730 /* 4 entries */, 32768) = 104 [pid 6599] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5866] umount2("./54/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6599] <... mmap resumed>) = 0x7f46d9f21000 [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6599] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE [pid 5866] newfstatat(AT_FDCWD, "./54/binderfs", [pid 6599] <... mprotect resumed>) = 0 [pid 5866] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6599] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5866] unlink("./54/binderfs" [pid 6599] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5866] <... unlink resumed>) = 0 [pid 6599] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} [pid 5866] umount2("./54/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6599] <... clone3 resumed> => {parent_tid=[6600]}, 88) = 6600 [pid 6599] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6599] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6599] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 6600 attached [pid 6600] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053) = 0 [pid 6600] set_robust_list(0x7f46d9f419a0, 24) = 0 [pid 6600] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6600] memfd_create("syzkaller", 0) = 3 [pid 6600] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 6592] <... openat resumed>) = -1 EIO (Input/output error) [ 220.074825][ T6592] read_mapping_page failed! [ 220.080826][ T6592] ERROR: (device loop1): txCommit: [ 220.080826][ T6592] [pid 6592] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6591] <... futex resumed>) = 0 [pid 6592] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6591] exit_group(0 [pid 6597] <... futex resumed>) = ? [pid 6592] <... futex resumed>) = ? [pid 6591] <... exit_group resumed>) = ? [pid 6592] +++ exited with 0 +++ [pid 6597] +++ exited with 0 +++ [pid 6591] +++ exited with 0 +++ [pid 5864] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6591, si_uid=0, si_status=0, si_utime=14 /* 0.14 s */, si_stime=32 /* 0.32 s */} --- [pid 5864] umount2("./53", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] openat(AT_FDCWD, "./53", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5864] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5864] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5864] umount2("./53/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] newfstatat(AT_FDCWD, "./53/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5864] unlink("./53/binderfs") = 0 [ 220.124059][ T5866] [ 220.124059][ T5866] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 220.124059][ T5866] [ 220.145224][ T5866] [ 220.145224][ T5866] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 220.145224][ T5866] [ 220.169767][ T5864] [pid 5864] umount2("./53/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5866] <... umount2 resumed>) = 0 [pid 5866] umount2("./54/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./54/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] umount2("./54/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] openat(AT_FDCWD, "./54/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5866] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5866] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5866] close(4) = 0 [pid 5866] rmdir("./54/bus") = 0 [pid 5866] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5866] close(3) = 0 [pid 5866] rmdir("./54") = 0 [pid 5866] mkdir("./55", 0777) = 0 [pid 5866] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5866] ioctl(3, LOOP_CLR_FD) = 0 [ 220.169767][ T5864] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 220.169767][ T5864] [ 220.203262][ T5864] [ 220.203262][ T5864] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 220.203262][ T5864] [pid 5866] close(3 [pid 5864] <... umount2 resumed>) = 0 [pid 5864] umount2("./53/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] newfstatat(AT_FDCWD, "./53/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5864] umount2("./53/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] openat(AT_FDCWD, "./53/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5864] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5864] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5864] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5864] close(4) = 0 [pid 5864] rmdir("./53/bus") = 0 [pid 5864] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5864] close(3) = 0 [pid 5864] rmdir("./53") = 0 [pid 5864] mkdir("./54", 0777) = 0 [pid 5864] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5865] <... close resumed>) = 0 [pid 5864] ioctl(3, LOOP_CLR_FD) = 0 [pid 5864] close(3 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6601 attached [pid 6601] set_robust_list(0x555566de86a0, 24) = 0 [pid 6601] chdir("./55") = 0 [pid 6601] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5865] <... clone resumed>, child_tidptr=0x555566de8690) = 6601 [pid 6601] <... prctl resumed>) = 0 [pid 6601] setpgid(0, 0) = 0 [pid 6601] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6601] write(3, "1000", 4) = 4 [pid 6601] close(3) = 0 executing program [pid 6601] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6601] write(1, "executing program\n", 18) = 18 [pid 6601] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6601] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6601] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6601] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6601] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6601] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6601] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0}./strace-static-x86_64: Process 6602 attached => {parent_tid=[6602]}, 88) = 6602 [pid 6601] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6602] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6601] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6602] <... rseq resumed>) = 0 [pid 6601] <... futex resumed>) = 0 [pid 6601] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6602] set_robust_list(0x7f46d9f419a0, 24) = 0 [pid 6602] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6602] memfd_create("syzkaller", 0) = 3 [pid 6602] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 6600] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6596] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5866] <... close resumed>) = 0 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6603 attached , child_tidptr=0x555566de8690) = 6603 [pid 6603] set_robust_list(0x555566de86a0, 24) = 0 [pid 6603] chdir("./55") = 0 [pid 6603] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6603] setpgid(0, 0) = 0 [pid 6603] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6603] write(3, "1000", 4) = 4 [pid 6603] close(3) = 0 [pid 6603] symlink("/dev/binderfs", "./binderfs" [pid 5864] <... close resumed>) = 0 executing program [pid 6603] <... symlink resumed>) = 0 [pid 6603] write(1, "executing program\n", 18) = 18 [pid 5864] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6603] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6603] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6603] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], ./strace-static-x86_64: Process 6604 attached NULL, 8) = 0 [pid 6603] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5864] <... clone resumed>, child_tidptr=0x555566de8690) = 6604 [pid 6604] set_robust_list(0x555566de86a0, 24) = 0 [pid 6603] <... mmap resumed>) = 0x7f46d9f21000 [pid 6604] chdir("./54" [pid 6603] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE [pid 6604] <... chdir resumed>) = 0 [pid 6603] <... mprotect resumed>) = 0 [pid 6604] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6603] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6604] <... prctl resumed>) = 0 [pid 6603] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6604] setpgid(0, 0 [pid 6603] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} [pid 6604] <... setpgid resumed>) = 0 [pid 6604] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6603] <... clone3 resumed> => {parent_tid=[6605]}, 88) = 6605 [pid 6604] <... openat resumed>) = 3 [pid 6603] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6605 attached [pid 6604] write(3, "1000", 4 [pid 6603] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6604] <... write resumed>) = 4 [pid 6603] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6604] close(3 [pid 6603] <... futex resumed>) = 0 [pid 6604] <... close resumed>) = 0 [pid 6603] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6605] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6604] symlink("/dev/binderfs", "./binderfs" [pid 6605] <... rseq resumed>) = 0 [pid 6604] <... symlink resumed>) = 0 executing program [pid 6605] set_robust_list(0x7f46d9f419a0, 24 [pid 6604] write(1, "executing program\n", 18 [pid 6605] <... set_robust_list resumed>) = 0 [pid 6604] <... write resumed>) = 18 [pid 6605] rt_sigprocmask(SIG_SETMASK, [], [pid 6604] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6605] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6604] <... futex resumed>) = 0 [pid 6605] memfd_create("syzkaller", 0 [pid 6604] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6604] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6604] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6604] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6604] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6605] <... memfd_create resumed>) = 3 [pid 6605] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6604] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6605] <... mmap resumed>) = 0x7f46d1a00000 [pid 6604] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0}./strace-static-x86_64: Process 6606 attached => {parent_tid=[6606]}, 88) = 6606 [pid 6604] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6604] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6604] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6606] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053) = 0 [pid 6606] set_robust_list(0x7f46d9f419a0, 24) = 0 [pid 6606] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6606] memfd_create("syzkaller", 0) = 3 [pid 6606] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 6602] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6600] <... write resumed>) = 16777216 [pid 6600] munmap(0x7f46d1a00000, 138412032) = 0 [pid 6600] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 6600] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6600] close(3) = 0 [pid 6600] close(4) = 0 [pid 6600] mkdir("./bus", 0777) = 0 [pid 6600] mount("/dev/loop4", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic,") = 0 [pid 6600] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6600] chdir("./bus") = 0 [pid 6600] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6600] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6599] <... futex resumed>) = 0 [pid 6599] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6599] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6600] chdir("./file0") = 0 [pid 6600] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6599] <... futex resumed>) = 0 [pid 6599] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 220.801476][ T6600] loop4: detected capacity change from 0 to 32768 [ 220.832360][ T6600] [ 220.832360][ T6600] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 220.832360][ T6600] [pid 6599] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6600] <... futex resumed>) = 1 [pid 6600] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6596] <... write resumed>) = 16777216 [pid 6596] munmap(0x7f46d1a00000, 138412032 [pid 6599] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6599] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6599] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f00000 [pid 6599] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6599] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6599] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0} => {parent_tid=[6607]}, 88) = 6607 [pid 6599] rt_sigprocmask(SIG_SETMASK, [], [pid 6596] <... munmap resumed>) = 0 [pid 6599] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6599] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6607 attached [pid 6600] <... open resumed>) = -1 EIO (Input/output error) [pid 6599] <... futex resumed>) = 0 [pid 6607] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053 [pid 6600] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6599] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6607] <... rseq resumed>) = 0 [pid 6600] <... futex resumed>) = 0 [pid 6607] set_robust_list(0x7f46d9f209a0, 24 [pid 6600] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6607] <... set_robust_list resumed>) = 0 [ 220.855927][ T6600] read_mapping_page failed! [ 220.860476][ T6600] ERROR: (device loop4): txCommit: [ 220.860476][ T6600] [pid 6607] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6607] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x9) [pid 6596] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 6596] ioctl(4, LOOP_SET_FD, 3 [pid 6606] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6596] <... ioctl resumed>) = 0 [pid 6596] close(3) = 0 [ 220.912661][ T6607] read_mapping_page failed! [ 220.925765][ T6596] loop0: detected capacity change from 0 to 32768 [ 220.939307][ T6607] ERROR: (device loop4): txCommit: [ 220.939307][ T6607] [pid 6605] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6607] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6599] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6596] close(4 [pid 6599] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6596] <... close resumed>) = 0 [pid 6599] <... futex resumed>) = 1 [pid 6599] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6607] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6600] <... futex resumed>) = 0 [pid 6596] mkdir("./bus", 0777 [pid 6600] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6607] <... futex resumed>) = 0 [pid 6596] <... mkdir resumed>) = 0 [pid 6607] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6596] mount("/dev/loop0", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6599] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 221.015508][ T6600] read_mapping_page failed! [ 221.020081][ T6600] ERROR: (device loop4): txCommit: [ 221.020081][ T6600] [pid 6600] <... openat resumed>) = -1 EIO (Input/output error) [pid 6602] <... write resumed>) = 16777216 [pid 6600] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6599] exit_group(0) = ? [pid 6600] +++ exited with 0 +++ [pid 6607] <... futex resumed>) = ? [pid 6607] +++ exited with 0 +++ [pid 6599] +++ exited with 0 +++ [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6599, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=29 /* 0.29 s */} --- [pid 6602] munmap(0x7f46d1a00000, 138412032 [pid 5867] umount2("./54", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./54", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5867] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5867] umount2("./54/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./54/binderfs", [pid 6596] <... mount resumed>) = 0 [pid 5867] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6596] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6596] chdir("./bus") = 0 [pid 6596] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6602] <... munmap resumed>) = 0 [pid 6596] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] unlink("./54/binderfs" [pid 6596] <... futex resumed>) = 1 [pid 6595] <... futex resumed>) = 0 [pid 5867] <... unlink resumed>) = 0 [pid 6596] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6595] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6596] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6595] <... futex resumed>) = 0 [pid 6602] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6596] chdir("./file0" [pid 6595] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 221.060897][ T6596] [ 221.060897][ T6596] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 221.060897][ T6596] [pid 5867] umount2("./54/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6602] <... openat resumed>) = 4 [pid 6596] <... chdir resumed>) = 0 [pid 6596] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6602] ioctl(4, LOOP_SET_FD, 3 [pid 6596] <... futex resumed>) = 1 [pid 6595] <... futex resumed>) = 0 [pid 6595] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6596] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6602] <... ioctl resumed>) = 0 [pid 6595] <... futex resumed>) = 0 [ 221.126946][ T5867] [ 221.126946][ T5867] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 221.126946][ T5867] [ 221.143572][ T6602] loop2: detected capacity change from 0 to 32768 [ 221.163404][ T6596] read_mapping_page failed! [ 221.169211][ T6596] ERROR: (device loop0): txCommit: [ 221.169211][ T6596] [pid 6595] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6602] close(3) = 0 [pid 6602] close(4) = 0 [pid 6602] mkdir("./bus", 0777) = 0 [pid 6602] mount("/dev/loop2", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6596] <... open resumed>) = -1 EIO (Input/output error) [pid 6596] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6595] <... futex resumed>) = 0 [pid 6596] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6595] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6596] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6595] <... futex resumed>) = 0 [pid 6596] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x1) [ 221.178022][ T5867] [ 221.178022][ T5867] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 221.178022][ T5867] [ 221.197782][ T6596] read_mapping_page failed! [ 221.202334][ T6596] ERROR: (device loop0): txCommit: [ 221.202334][ T6596] [ 221.218718][ T6602] [ 221.218718][ T6602] ... Log Wrap ... Log Wrap ... Log Wrap ... [pid 6595] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6596] <... mknod resumed>) = -1 EIO (Input/output error) [pid 5867] <... umount2 resumed>) = 0 [pid 5867] umount2("./54/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6596] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6602] <... mount resumed>) = 0 [pid 6596] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6595] <... futex resumed>) = 0 [pid 5867] newfstatat(AT_FDCWD, "./54/bus", [pid 6602] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6595] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6602] <... openat resumed>) = 3 [pid 6595] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6602] chdir("./bus" [pid 5867] umount2("./54/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6602] <... chdir resumed>) = 0 [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6602] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5867] openat(AT_FDCWD, "./54/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6602] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6602] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] <... openat resumed>) = 4 [pid 6602] <... futex resumed>) = 1 [pid 6601] <... futex resumed>) = 0 [pid 6602] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5867] newfstatat(4, "", [pid 6601] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6602] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6601] <... futex resumed>) = 0 [pid 6602] chdir("./file0" [pid 6601] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6602] <... chdir resumed>) = 0 [pid 6596] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5867] getdents64(4, [pid 6602] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6601] <... futex resumed>) = 0 [pid 6596] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 5867] <... getdents64 resumed>0x555566df1770 /* 2 entries */, 32768) = 48 [ 221.218718][ T6602] [pid 6602] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6601] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] getdents64(4, [pid 6601] <... futex resumed>) = 0 [pid 5867] <... getdents64 resumed>0x555566df1770 /* 0 entries */, 32768) = 0 [pid 6606] <... write resumed>) = 16777216 [pid 6602] <... open resumed>) = -1 EIO (Input/output error) [pid 6601] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] close(4) = 0 [pid 5867] rmdir("./54/bus") = 0 [pid 5867] getdents64(3, [pid 6596] <... openat resumed>) = -1 EIO (Input/output error) [pid 6606] munmap(0x7f46d1a00000, 138412032 [pid 6602] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] <... getdents64 resumed>0x555566de9730 /* 0 entries */, 32768) = 0 [pid 6602] <... futex resumed>) = 1 [pid 6596] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] close(3 [pid 6595] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6602] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6601] <... futex resumed>) = 0 [pid 6595] exit_group(0 [pid 6601] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] <... close resumed>) = 0 [pid 6595] <... exit_group resumed>) = ? [pid 6602] <... futex resumed>) = 0 [pid 6601] <... futex resumed>) = 1 [pid 5867] rmdir("./54" [pid 6602] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x5) [pid 6601] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6596] <... futex resumed>) = ? [ 221.265323][ T6596] read_mapping_page failed! [ 221.266426][ T6602] read_mapping_page failed! [ 221.273405][ T6596] ERROR: (device loop0): txCommit: [ 221.273405][ T6596] [ 221.281793][ T6602] ERROR: (device loop2): txCommit: [ 221.281793][ T6602] [pid 6596] +++ exited with 0 +++ [pid 6595] +++ exited with 0 +++ [pid 5863] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6595, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=23 /* 0.23 s */} --- [pid 5863] umount2("./54", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5867] <... rmdir resumed>) = 0 [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5863] openat(AT_FDCWD, "./54", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5867] mkdir("./55", 0777) = 0 [pid 5863] <... openat resumed>) = 3 [pid 5867] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5863] newfstatat(3, "", [pid 5867] ioctl(3, LOOP_CLR_FD) = 0 [pid 5863] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6606] <... munmap resumed>) = 0 [pid 5867] close(3 [pid 5863] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5863] umount2("./54/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] newfstatat(AT_FDCWD, "./54/binderfs", [pid 6606] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6602] <... mknod resumed>) = -1 EIO (Input/output error) [pid 5863] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5863] unlink("./54/binderfs") = 0 [pid 5863] umount2("./54/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6606] <... openat resumed>) = 4 [pid 6602] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6606] ioctl(4, LOOP_SET_FD, 3 [pid 6602] <... futex resumed>) = 1 [pid 6601] <... futex resumed>) = 0 [ 221.314222][ T6602] read_mapping_page failed! [ 221.319151][ T6602] ERROR: (device loop2): txCommit: [ 221.319151][ T6602] [pid 6602] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6601] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6601] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6606] <... ioctl resumed>) = 0 [pid 6606] close(3) = 0 [pid 6606] close(4) = 0 [pid 6606] mkdir("./bus", 0777) = 0 [pid 6606] mount("/dev/loop1", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6605] <... write resumed>) = 16777216 [pid 6602] <... openat resumed>) = -1 EIO (Input/output error) [pid 6605] munmap(0x7f46d1a00000, 138412032 [pid 6602] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6602] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6601] <... futex resumed>) = 0 [pid 6601] exit_group(0) = ? [pid 6602] <... futex resumed>) = ? [pid 6602] +++ exited with 0 +++ [ 221.366075][ T6606] loop1: detected capacity change from 0 to 32768 [ 221.372705][ T6602] read_mapping_page failed! [ 221.383337][ T6602] ERROR: (device loop2): txCommit: [ 221.383337][ T6602] [ 221.391944][ T5863] [ 221.391944][ T5863] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 221.391944][ T5863] [pid 6605] <... munmap resumed>) = 0 [pid 6601] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6601, si_uid=0, si_status=0, si_utime=13 /* 0.13 s */, si_stime=21 /* 0.21 s */} --- [pid 6605] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 6605] ioctl(4, LOOP_SET_FD, 3 [pid 5865] umount2("./55", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./55", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5865] umount2("./55/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./55/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./55/binderfs") = 0 [ 221.440971][ T5863] [ 221.440971][ T5863] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 221.440971][ T5863] [ 221.464397][ T6606] [ 221.464397][ T6606] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 221.464397][ T6606] [ 221.475769][ T6605] loop3: detected capacity change from 0 to 32768 [pid 5865] umount2("./55/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6606] <... mount resumed>) = 0 [pid 6605] <... ioctl resumed>) = 0 [pid 6606] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6605] close(3 [pid 5863] <... umount2 resumed>) = 0 [pid 6605] <... close resumed>) = 0 [pid 6606] <... openat resumed>) = 3 [pid 6605] close(4 [pid 5863] umount2("./54/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6605] <... close resumed>) = 0 [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6606] chdir("./bus" [pid 6605] mkdir("./bus", 0777 [pid 5863] newfstatat(AT_FDCWD, "./54/bus", [pid 6606] <... chdir resumed>) = 0 [pid 6605] <... mkdir resumed>) = 0 [pid 5863] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6606] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6605] mount("/dev/loop3", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6606] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5863] umount2("./54/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6606] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6604] <... futex resumed>) = 0 [pid 6604] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6606] chdir("./file0" [pid 6604] <... futex resumed>) = 0 [pid 6604] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6606] <... chdir resumed>) = 0 [pid 5863] openat(AT_FDCWD, "./54/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6606] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] <... openat resumed>) = 4 [pid 6606] <... futex resumed>) = 1 [pid 6604] <... futex resumed>) = 0 [pid 5863] newfstatat(4, "", [pid 6606] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6604] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 221.490277][ T5865] [ 221.490277][ T5865] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 221.490277][ T5865] [ 221.521497][ T5865] [ 221.521497][ T5865] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 221.521497][ T5865] [pid 6604] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5863] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] <... umount2 resumed>) = 0 [pid 5863] getdents64(4, [pid 5865] umount2("./55/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./55/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5863] <... getdents64 resumed>0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5865] umount2("./55/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5863] getdents64(4, [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./55/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5865] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5863] <... getdents64 resumed>0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5865] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5865] close(4) = 0 [pid 5865] rmdir("./55/bus" [pid 5863] close(4 [pid 5865] <... rmdir resumed>) = 0 [pid 5863] <... close resumed>) = 0 [pid 5865] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5863] rmdir("./54/bus" [pid 5865] close(3) = 0 [pid 5865] rmdir("./55") = 0 [pid 5863] <... rmdir resumed>) = 0 [pid 5865] mkdir("./56", 0777) = 0 [pid 5863] getdents64(3, [pid 5865] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5863] <... getdents64 resumed>0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5865] <... openat resumed>) = 3 [pid 5863] close(3 [pid 5865] ioctl(3, LOOP_CLR_FD [pid 5863] <... close resumed>) = 0 [pid 5865] <... ioctl resumed>) = 0 [pid 5863] rmdir("./54" [pid 5865] close(3 [pid 5863] <... rmdir resumed>) = 0 [pid 6604] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5863] mkdir("./55", 0777 [pid 6606] <... open resumed>) = -1 EIO (Input/output error) [pid 6604] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] <... mkdir resumed>) = 0 [pid 6606] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6604] <... futex resumed>) = 0 [pid 6604] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6606] <... futex resumed>) = 0 [pid 5863] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6604] <... mmap resumed>) = 0x7f46d9f00000 [pid 6606] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6604] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE [pid 5863] <... openat resumed>) = 3 [pid 6604] <... mprotect resumed>) = 0 [pid 5863] ioctl(3, LOOP_CLR_FD [pid 6604] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5863] <... ioctl resumed>) = 0 [pid 6604] <... rt_sigprocmask resumed>[], 8) = 0 [ 221.558282][ T6606] read_mapping_page failed! [ 221.562852][ T6606] ERROR: (device loop1): txCommit: [ 221.562852][ T6606] [ 221.586799][ T6605] [ 221.586799][ T6605] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 221.586799][ T6605] [pid 5863] close(3 [pid 6604] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0} [pid 6605] <... mount resumed>) = 0 [pid 6605] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY./strace-static-x86_64: Process 6608 attached [pid 6608] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053) = 0 [pid 6608] set_robust_list(0x7f46d9f209a0, 24) = 0 [pid 6608] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6608] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6605] <... openat resumed>) = 3 [pid 6605] chdir("./bus" [pid 6604] <... clone3 resumed> => {parent_tid=[6608]}, 88) = 6608 [pid 6604] rt_sigprocmask(SIG_SETMASK, [], [pid 6605] <... chdir resumed>) = 0 [pid 6604] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6604] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6605] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6608] <... futex resumed>) = 0 [pid 6605] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6604] <... futex resumed>) = 1 [pid 6605] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6604] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6608] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x3) [pid 6605] <... futex resumed>) = 1 [pid 6603] <... futex resumed>) = 0 [pid 6605] chdir("./file0" [pid 6603] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6605] <... chdir resumed>) = 0 [pid 6603] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] <... close resumed>) = 0 [pid 6605] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6603] <... futex resumed>) = 0 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6605] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6603] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5867] <... clone resumed>, child_tidptr=0x555566de8690) = 6609 [ 221.667274][ T6608] read_mapping_page failed! [ 221.671857][ T6608] ERROR: (device loop1): txCommit: [ 221.671857][ T6608] ./strace-static-x86_64: Process 6609 attached [pid 6603] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6608] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6608] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6608] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6604] <... futex resumed>) = 0 [pid 6609] set_robust_list(0x555566de86a0, 24 [pid 6604] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6606] <... futex resumed>) = 0 [pid 6604] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6606] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6609] <... set_robust_list resumed>) = 0 [pid 6609] chdir("./55") = 0 [pid 6609] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6609] setpgid(0, 0) = 0 [pid 6609] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6609] write(3, "1000", 4) = 4 [pid 6609] close(3 [pid 6606] <... openat resumed>) = -1 EIO (Input/output error) [pid 6609] <... close resumed>) = 0 [pid 6605] <... open resumed>) = -1 EIO (Input/output error) [pid 6603] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6609] symlink("/dev/binderfs", "./binderfs" [pid 6605] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6603] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6605] <... futex resumed>) = 0 [pid 6603] <... futex resumed>) = 0 [pid 6605] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6603] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f00000 [pid 6606] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6603] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE [pid 6606] <... futex resumed>) = 1 [pid 6604] <... futex resumed>) = 0 [pid 6603] <... mprotect resumed>) = 0 [pid 6604] exit_group(0 [pid 6606] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6604] <... exit_group resumed>) = ? [pid 6603] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6608] <... futex resumed>) = ? [pid 6603] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6608] +++ exited with 0 +++ [pid 6603] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0} [pid 6606] <... futex resumed>) = ? ./strace-static-x86_64: Process 6610 attached [pid 6609] <... symlink resumed>) = 0 [pid 6606] +++ exited with 0 +++ [pid 6604] +++ exited with 0 +++ executing program [pid 5864] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6604, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=27 /* 0.27 s */} --- [pid 6609] write(1, "executing program\n", 18 [pid 6603] <... clone3 resumed> => {parent_tid=[6610]}, 88) = 6610 [pid 5864] restart_syscall(<... resuming interrupted clone ...> [pid 6603] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6603] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6603] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6610] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053 [pid 6609] <... write resumed>) = 18 [pid 6610] <... rseq resumed>) = 0 [pid 6609] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [ 221.716308][ T6605] read_mapping_page failed! [ 221.720876][ T6605] ERROR: (device loop3): txCommit: [ 221.720876][ T6605] [ 221.729310][ T6606] read_mapping_page failed! [ 221.739033][ T6606] ERROR: (device loop1): txCommit: [ 221.739033][ T6606] [pid 6610] set_robust_list(0x7f46d9f209a0, 24) = 0 [pid 6609] <... futex resumed>) = 0 [pid 6610] rt_sigprocmask(SIG_SETMASK, [], [pid 6609] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, [pid 6610] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6609] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6610] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x7) [pid 6609] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5864] <... restart_syscall resumed>) = 0 [pid 5864] umount2("./54", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] openat(AT_FDCWD, "./54", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5864] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5864] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5864] umount2("./54/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] newfstatat(AT_FDCWD, "./54/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5864] unlink("./54/binderfs") = 0 [pid 5864] umount2("./54/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6609] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6609] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6609] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6609] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6609] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} => {parent_tid=[6611]}, 88) = 6611 ./strace-static-x86_64: Process 6611 attached [pid 6609] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6609] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 221.785237][ T6610] read_mapping_page failed! [ 221.804406][ T5864] [ 221.804406][ T5864] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 221.804406][ T5864] [ 221.804905][ T6610] ERROR: (device loop3): txCommit: [ 221.804905][ T6610] [ 221.825889][ T5864] [ 221.825889][ T5864] ... Log Wrap ... Log Wrap ... Log Wrap ... [pid 6610] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6609] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6603] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6611] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053) = 0 [pid 6611] set_robust_list(0x7f46d9f419a0, 24 [pid 6610] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6603] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6610] <... futex resumed>) = 0 [pid 6603] <... futex resumed>) = 1 [pid 6610] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6605] <... futex resumed>) = 0 [pid 6603] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6605] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6611] <... set_robust_list resumed>) = 0 [pid 6611] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6611] memfd_create("syzkaller", 0) = 3 [pid 6611] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 6605] <... openat resumed>) = -1 EIO (Input/output error) [pid 6605] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6603] <... futex resumed>) = 0 [pid 6603] exit_group(0 [pid 6610] <... futex resumed>) = ? [pid 6603] <... exit_group resumed>) = ? [pid 6610] +++ exited with 0 +++ [pid 6605] +++ exited with 0 +++ [pid 6603] +++ exited with 0 +++ [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6603, si_uid=0, si_status=0, si_utime=12 /* 0.12 s */, si_stime=24 /* 0.24 s */} --- [pid 5866] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5866] umount2("./55", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] openat(AT_FDCWD, "./55", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5866] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5866] umount2("./55/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./55/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] unlink("./55/binderfs") = 0 [ 221.825889][ T5864] [ 221.844482][ T6605] read_mapping_page failed! [ 221.849127][ T6605] ERROR: (device loop3): txCommit: [ 221.849127][ T6605] [pid 5866] umount2("./55/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5864] <... umount2 resumed>) = 0 [pid 5863] <... close resumed>) = 0 [pid 5863] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5864] umount2("./54/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] newfstatat(AT_FDCWD, "./54/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5863] <... clone resumed>, child_tidptr=0x555566de8690) = 6612 [pid 5864] umount2("./54/bus", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6612 attached [pid 6612] set_robust_list(0x555566de86a0, 24 [pid 5864] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6612] <... set_robust_list resumed>) = 0 [pid 5864] openat(AT_FDCWD, "./54/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6612] chdir("./55" [pid 5864] <... openat resumed>) = 4 [pid 6612] <... chdir resumed>) = 0 [pid 5864] newfstatat(4, "", [pid 6612] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6612] setpgid(0, 0 [pid 5864] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6612] <... setpgid resumed>) = 0 [pid 6612] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5864] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5864] getdents64(4, [pid 6612] <... openat resumed>) = 3 [pid 5866] <... umount2 resumed>) = 0 [pid 5864] <... getdents64 resumed>0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5864] close(4) = 0 [pid 5865] <... close resumed>) = 0 [pid 5864] rmdir("./54/bus" [pid 6612] write(3, "1000", 4 [pid 5866] umount2("./55/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6612] <... write resumed>) = 4 [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6612] close(3 [pid 5866] newfstatat(AT_FDCWD, "./55/bus", [pid 6612] <... close resumed>) = 0 [pid 5866] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5864] <... rmdir resumed>) = 0 [pid 6612] symlink("/dev/binderfs", "./binderfs" [pid 5866] umount2("./55/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5864] getdents64(3, [pid 6612] <... symlink resumed>) = 0 executing program [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6612] write(1, "executing program\n", 18 [pid 5866] openat(AT_FDCWD, "./55/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5864] <... getdents64 resumed>0x555566de9730 /* 0 entries */, 32768) = 0 [pid 6612] <... write resumed>) = 18 [pid 5866] <... openat resumed>) = 4 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6612] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] newfstatat(4, "", [pid 5864] close(3 [pid 6612] <... futex resumed>) = 0 [pid 5866] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 ./strace-static-x86_64: Process 6613 attached [pid 5864] <... close resumed>) = 0 [pid 6613] set_robust_list(0x555566de86a0, 24 [pid 5864] rmdir("./54" [pid 6612] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, [pid 5866] getdents64(4, [pid 6612] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5866] <... getdents64 resumed>0x555566df1770 /* 2 entries */, 32768) = 48 [pid 6613] <... set_robust_list resumed>) = 0 [pid 6612] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5866] getdents64(4, [pid 5864] <... rmdir resumed>) = 0 [pid 5866] <... getdents64 resumed>0x555566df1770 /* 0 entries */, 32768) = 0 [pid 6613] chdir("./56" [pid 6612] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5866] close(4 [pid 5864] mkdir("./55", 0777 [pid 6613] <... chdir resumed>) = 0 [pid 6612] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5866] <... close resumed>) = 0 [pid 5865] <... clone resumed>, child_tidptr=0x555566de8690) = 6613 [pid 6613] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6612] <... mmap resumed>) = 0x7f46d9f21000 [pid 5866] rmdir("./55/bus" [pid 5864] <... mkdir resumed>) = 0 [pid 6613] <... prctl resumed>) = 0 [pid 6612] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE [pid 5866] <... rmdir resumed>) = 0 [pid 5864] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6613] setpgid(0, 0 [pid 6612] <... mprotect resumed>) = 0 [pid 5864] <... openat resumed>) = 3 [pid 6613] <... setpgid resumed>) = 0 [pid 6612] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5864] ioctl(3, LOOP_CLR_FD [pid 6613] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6612] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5866] getdents64(3, [pid 5864] <... ioctl resumed>) = 0 [pid 6613] <... openat resumed>) = 3 [pid 5866] <... getdents64 resumed>0x555566de9730 /* 0 entries */, 32768) = 0 [pid 6613] write(3, "1000", 4 [pid 6612] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} [pid 5866] close(3 [pid 5864] close(3 [pid 6613] <... write resumed>) = 4 [pid 5866] <... close resumed>) = 0 [pid 5866] rmdir("./55" [pid 6612] <... clone3 resumed> => {parent_tid=[6614]}, 88) = 6614 [pid 6612] rt_sigprocmask(SIG_SETMASK, [], [pid 5866] <... rmdir resumed>) = 0 [pid 6612] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6612] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6612] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5866] mkdir("./56", 0777) = 0 [ 221.890885][ T5866] [ 221.890885][ T5866] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 221.890885][ T5866] [ 221.907031][ T5866] [ 221.907031][ T5866] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 221.907031][ T5866] [pid 5866] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6613] close(3executing program ./strace-static-x86_64: Process 6614 attached ) = 0 [pid 6614] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6613] symlink("/dev/binderfs", "./binderfs" [pid 6614] <... rseq resumed>) = 0 [pid 6613] <... symlink resumed>) = 0 [pid 6614] set_robust_list(0x7f46d9f419a0, 24 [pid 6613] write(1, "executing program\n", 18 [pid 6614] <... set_robust_list resumed>) = 0 [pid 6613] <... write resumed>) = 18 [pid 6614] rt_sigprocmask(SIG_SETMASK, [], [pid 6613] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6614] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6613] <... futex resumed>) = 0 [pid 6614] memfd_create("syzkaller", 0 [pid 6613] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, [pid 5866] <... openat resumed>) = 3 [pid 6613] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5866] ioctl(3, LOOP_CLR_FD [pid 6613] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5866] <... ioctl resumed>) = 0 [pid 6613] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5866] close(3 [pid 6613] <... mmap resumed>) = 0x7f46d9f21000 [pid 6613] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6613] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6613] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0}./strace-static-x86_64: Process 6615 attached [pid 6614] <... memfd_create resumed>) = 3 [pid 6615] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6614] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6613] <... clone3 resumed> => {parent_tid=[6615]}, 88) = 6615 [pid 6615] <... rseq resumed>) = 0 [pid 6614] <... mmap resumed>) = 0x7f46d1a00000 [pid 6613] rt_sigprocmask(SIG_SETMASK, [], [pid 6615] set_robust_list(0x7f46d9f419a0, 24) = 0 [pid 6613] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6615] rt_sigprocmask(SIG_SETMASK, [], [pid 6613] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6615] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6613] <... futex resumed>) = 0 [pid 6615] memfd_create("syzkaller", 0 [pid 6613] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6615] <... memfd_create resumed>) = 3 [pid 6615] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 6611] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5864] <... close resumed>) = 0 [pid 5866] <... close resumed>) = 0 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5864] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6616 attached ./strace-static-x86_64: Process 6617 attached [pid 5866] <... clone resumed>, child_tidptr=0x555566de8690) = 6616 [pid 6617] set_robust_list(0x555566de86a0, 24 [pid 6616] set_robust_list(0x555566de86a0, 24 [pid 5864] <... clone resumed>, child_tidptr=0x555566de8690) = 6617 [pid 6617] <... set_robust_list resumed>) = 0 [pid 6616] <... set_robust_list resumed>) = 0 [pid 6617] chdir("./55") = 0 [pid 6616] chdir("./56" [pid 6617] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6616] <... chdir resumed>) = 0 [pid 6617] setpgid(0, 0 [pid 6616] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6616] setpgid(0, 0) = 0 [pid 6616] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6617] <... setpgid resumed>) = 0 [pid 6616] write(3, "1000", 4 [pid 6617] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6616] <... write resumed>) = 4 [pid 6617] <... openat resumed>) = 3 [pid 6616] close(3) = 0 [pid 6616] symlink("/dev/binderfs", "./binderfs" [pid 6617] write(3, "1000", 4 [pid 6616] <... symlink resumed>) = 0 [pid 6617] <... write resumed>) = 4 [pid 6617] close(3) = 0 [pid 6617] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6616] write(1, "executing program\n", 18executing program executing program [pid 6617] write(1, "executing program\n", 18 [pid 6616] <... write resumed>) = 18 [pid 6617] <... write resumed>) = 18 [pid 6617] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6616] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6617] <... futex resumed>) = 0 [pid 6616] <... futex resumed>) = 0 [pid 6616] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, [pid 6617] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6616] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6616] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6617] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6616] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6617] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6616] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6617] <... mmap resumed>) = 0x7f46d9f21000 [pid 6616] <... mmap resumed>) = 0x7f46d9f21000 [pid 6617] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE [pid 6616] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE [pid 6617] <... mprotect resumed>) = 0 [pid 6616] <... mprotect resumed>) = 0 [pid 6617] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6616] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6614] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6617] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6616] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6617] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} => {parent_tid=[6618]}, 88) = 6618 [pid 6617] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6618 attached NULL, 8) = 0 [pid 6618] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6617] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6616] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} [pid 6617] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6618] <... rseq resumed>) = 0 [pid 6618] set_robust_list(0x7f46d9f419a0, 24) = 0 [pid 6618] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6619 attached NULL, 8) = 0 [pid 6618] memfd_create("syzkaller", 0) = 3 [pid 6618] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 6619] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6616] <... clone3 resumed> => {parent_tid=[6619]}, 88) = 6619 [pid 6616] rt_sigprocmask(SIG_SETMASK, [], [pid 6619] <... rseq resumed>) = 0 [pid 6619] set_robust_list(0x7f46d9f419a0, 24) = 0 [pid 6619] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6619] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6616] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6615] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6616] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6619] <... futex resumed>) = 0 [pid 6616] <... futex resumed>) = 1 [pid 6619] memfd_create("syzkaller", 0 [pid 6616] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6619] <... memfd_create resumed>) = 3 [pid 6619] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 6611] <... write resumed>) = 16777216 [pid 6611] munmap(0x7f46d1a00000, 138412032) = 0 [pid 6611] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 6611] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6611] close(3) = 0 [pid 6611] close(4) = 0 [pid 6611] mkdir("./bus", 0777) = 0 [pid 6611] mount("/dev/loop4", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic,") = 0 [pid 6611] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6611] chdir("./bus") = 0 [pid 6611] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6611] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6609] <... futex resumed>) = 0 [pid 6611] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6609] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6611] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6609] <... futex resumed>) = 0 [pid 6611] chdir("./file0" [pid 6609] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6611] <... chdir resumed>) = 0 [pid 6611] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6609] <... futex resumed>) = 0 [pid 6611] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6609] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 222.561793][ T6611] loop4: detected capacity change from 0 to 32768 [ 222.596170][ T6611] [ 222.596170][ T6611] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 222.596170][ T6611] [ 222.642343][ T6611] read_mapping_page failed! [pid 6609] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6611] <... open resumed>) = -1 EIO (Input/output error) [pid 6611] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6609] <... futex resumed>) = 0 [pid 6609] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6609] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6611] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x9) [pid 6618] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6611] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6611] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6609] <... futex resumed>) = 0 [pid 6619] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6611] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [ 222.663668][ T6611] ERROR: (device loop4): txCommit: [ 222.663668][ T6611] [ 222.694261][ T6611] read_mapping_page failed! [ 222.702643][ T6611] ERROR: (device loop4): txCommit: [ 222.702643][ T6611] [pid 6609] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6614] <... write resumed>) = 16777216 [pid 6609] <... futex resumed>) = 0 [pid 6614] munmap(0x7f46d1a00000, 138412032 [pid 6609] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6611] <... openat resumed>) = -1 EIO (Input/output error) [pid 6611] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6609] <... futex resumed>) = 0 [pid 6609] exit_group(0) = ? [pid 6611] +++ exited with 0 +++ [pid 6609] +++ exited with 0 +++ [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6609, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=23 /* 0.23 s */} --- [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 6614] <... munmap resumed>) = 0 [pid 5867] <... restart_syscall resumed>) = 0 [pid 5867] umount2("./55", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./55", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5867] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5867] umount2("./55/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./55/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] unlink("./55/binderfs" [pid 6614] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5867] <... unlink resumed>) = 0 [pid 6614] <... openat resumed>) = 4 [pid 5867] umount2("./55/bus", MNT_FORCE|UMOUNT_NOFOLLOW [ 222.736899][ T6611] read_mapping_page failed! [ 222.741461][ T6611] ERROR: (device loop4): txCommit: [ 222.741461][ T6611] [pid 6614] ioctl(4, LOOP_SET_FD, 3) = 0 [ 222.782488][ T6614] loop0: detected capacity change from 0 to 32768 [ 222.793399][ T5867] [ 222.793399][ T5867] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 222.793399][ T5867] [pid 6614] close(3 [pid 6615] <... write resumed>) = 16777216 [pid 6614] <... close resumed>) = 0 [pid 6614] close(4 [pid 6615] munmap(0x7f46d1a00000, 138412032 [pid 6614] <... close resumed>) = 0 [pid 6614] mkdir("./bus", 0777 [pid 6615] <... munmap resumed>) = 0 [pid 6614] <... mkdir resumed>) = 0 [pid 6614] mount("/dev/loop0", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6615] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [ 222.826578][ T5867] [ 222.826578][ T5867] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 222.826578][ T5867] [pid 6615] ioctl(4, LOOP_SET_FD, 3 [pid 5867] <... umount2 resumed>) = 0 [pid 5867] umount2("./55/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./55/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] umount2("./55/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./55/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5867] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5867] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5867] close(4) = 0 [pid 5867] rmdir("./55/bus") = 0 [pid 5867] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5867] close(3) = 0 [pid 5867] rmdir("./55") = 0 [pid 5867] mkdir("./56", 0777 [pid 6615] <... ioctl resumed>) = 0 [pid 5867] <... mkdir resumed>) = 0 [pid 6615] close(3 [pid 5867] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 6615] <... close resumed>) = 0 [pid 6615] close(4) = 0 [pid 6615] mkdir("./bus", 0777) = 0 [pid 5867] ioctl(3, LOOP_CLR_FD [pid 6615] mount("/dev/loop2", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 5867] <... ioctl resumed>) = 0 [pid 5867] close(3) = 0 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6620 attached [pid 6620] set_robust_list(0x555566de86a0, 24 [pid 5867] <... clone resumed>, child_tidptr=0x555566de8690) = 6620 [ 222.876560][ T6615] loop2: detected capacity change from 0 to 32768 [ 222.892602][ T6614] [ 222.892602][ T6614] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 222.892602][ T6614] [pid 6620] <... set_robust_list resumed>) = 0 [pid 6614] <... mount resumed>) = 0 [pid 6614] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6620] chdir("./56") = 0 [pid 6620] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6620] setpgid(0, 0 [pid 6614] <... openat resumed>) = 3 [pid 6620] <... setpgid resumed>) = 0 [pid 6614] chdir("./bus" [pid 6620] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6614] <... chdir resumed>) = 0 [pid 6620] <... openat resumed>) = 3 [pid 6620] write(3, "1000", 4) = 4 [pid 6620] close(3) = 0 [pid 6620] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6620] write(1, "executing program\n", 18 [pid 6614] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6620] <... write resumed>) = 18 [pid 6620] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6614] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6620] <... futex resumed>) = 0 [pid 6614] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6620] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, [pid 6614] <... futex resumed>) = 1 [pid 6620] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6614] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6620] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6612] <... futex resumed>) = 0 [pid 6620] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6612] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6620] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6614] <... futex resumed>) = 0 [pid 6612] <... futex resumed>) = 1 [pid 6620] <... mmap resumed>) = 0x7f46d9f21000 [pid 6614] chdir("./file0" [pid 6612] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6620] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6620] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6614] <... chdir resumed>) = 0 [pid 6620] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0}./strace-static-x86_64: Process 6621 attached [pid 6614] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6620] <... clone3 resumed> => {parent_tid=[6621]}, 88) = 6621 [pid 6620] rt_sigprocmask(SIG_SETMASK, [], [pid 6614] <... futex resumed>) = 1 [pid 6612] <... futex resumed>) = 0 [pid 6620] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6614] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6620] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6615] <... mount resumed>) = 0 [pid 6614] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6612] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6620] <... futex resumed>) = 0 [pid 6615] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6614] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6612] <... futex resumed>) = 0 [pid 6621] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6620] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6621] <... rseq resumed>) = 0 [ 222.930301][ T6615] [ 222.930301][ T6615] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 222.930301][ T6615] [pid 6615] <... openat resumed>) = 3 [pid 6612] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6621] set_robust_list(0x7f46d9f419a0, 24 [pid 6615] chdir("./bus" [pid 6621] <... set_robust_list resumed>) = 0 [pid 6615] <... chdir resumed>) = 0 [pid 6621] rt_sigprocmask(SIG_SETMASK, [], [pid 6615] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6621] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6615] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6621] memfd_create("syzkaller", 0 [pid 6615] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6613] <... futex resumed>) = 0 [pid 6613] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6615] chdir("./file0" [pid 6613] <... futex resumed>) = 0 [pid 6621] <... memfd_create resumed>) = 3 [pid 6613] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6621] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6615] <... chdir resumed>) = 0 [pid 6621] <... mmap resumed>) = 0x7f46d1a00000 [pid 6615] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6613] <... futex resumed>) = 0 [pid 6615] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6613] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 222.977787][ T6614] read_mapping_page failed! [pid 6613] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6612] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6612] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6612] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f00000 [pid 6612] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE [pid 6614] <... open resumed>) = -1 EIO (Input/output error) [pid 6612] <... mprotect resumed>) = 0 [pid 6612] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6614] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6612] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0} [pid 6613] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6614] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6613] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6613] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f00000 [pid 6613] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6613] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6613] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0} => {parent_tid=[6623]}, 88) = 6623 [pid 6613] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6613] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6613] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6623 attached ./strace-static-x86_64: Process 6622 attached [pid 6612] <... clone3 resumed> => {parent_tid=[6622]}, 88) = 6622 [pid 6612] rt_sigprocmask(SIG_SETMASK, [], [pid 6622] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053) = 0 [pid 6622] set_robust_list(0x7f46d9f209a0, 24) = 0 [pid 6622] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [ 223.007044][ T6614] ERROR: (device loop0): txCommit: [ 223.007044][ T6614] [ 223.012115][ T6615] read_mapping_page failed! [ 223.031040][ T6615] ERROR: (device loop2): txCommit: [ 223.031040][ T6615] [pid 6622] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6623] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053) = 0 [pid 6623] set_robust_list(0x7f46d9f209a0, 24) = 0 [pid 6615] <... open resumed>) = -1 EIO (Input/output error) [pid 6615] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6615] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6623] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6623] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x5) [pid 6612] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6612] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6622] <... futex resumed>) = 0 [pid 6622] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x1) [pid 6612] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6613] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6613] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6615] <... futex resumed>) = 0 [pid 6613] <... futex resumed>) = 1 [pid 6615] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6613] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6623] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6623] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6623] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6622] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6622] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 223.085045][ T6623] read_mapping_page failed! [ 223.089626][ T6623] ERROR: (device loop2): txCommit: [ 223.089626][ T6623] [ 223.100225][ T6622] read_mapping_page failed! [ 223.114491][ T6622] ERROR: (device loop0): txCommit: [ 223.114491][ T6622] [pid 6622] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6612] <... futex resumed>) = 0 [pid 6612] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6614] <... futex resumed>) = 0 [pid 6613] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6612] <... futex resumed>) = 1 [pid 6614] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6612] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6615] <... openat resumed>) = -1 EIO (Input/output error) [pid 6615] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6614] <... openat resumed>) = -1 EIO (Input/output error) [pid 6615] <... futex resumed>) = 0 [pid 6614] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6613] exit_group(0 [pid 6623] <... futex resumed>) = ? [pid 6614] <... futex resumed>) = 1 [pid 6613] <... exit_group resumed>) = ? [pid 6612] <... futex resumed>) = 0 [pid 6623] +++ exited with 0 +++ [pid 6615] +++ exited with 0 +++ [pid 6614] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6613] +++ exited with 0 +++ [pid 6612] exit_group(0 [pid 6622] <... futex resumed>) = ? [pid 6619] <... write resumed>) = 16777216 [pid 6614] <... futex resumed>) = ? [pid 6612] <... exit_group resumed>) = ? [pid 6622] +++ exited with 0 +++ [pid 6614] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6613, si_uid=0, si_status=0, si_utime=11 /* 0.11 s */, si_stime=29 /* 0.29 s */} --- [pid 6619] munmap(0x7f46d1a00000, 138412032 [ 223.153108][ T6615] read_mapping_page failed! [ 223.166194][ T6615] ERROR: (device loop2): txCommit: [ 223.166194][ T6615] [ 223.183084][ T6614] read_mapping_page failed! [ 223.193176][ T6614] ERROR: (device loop0): txCommit: [ 223.193176][ T6614] [pid 6612] +++ exited with 0 +++ [pid 5865] restart_syscall(<... resuming interrupted clone ...> [pid 5863] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6612, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=30 /* 0.30 s */} --- [pid 5863] restart_syscall(<... resuming interrupted clone ...> [pid 6618] <... write resumed>) = 16777216 [pid 5865] <... restart_syscall resumed>) = 0 [pid 5863] <... restart_syscall resumed>) = 0 [pid 6618] munmap(0x7f46d1a00000, 138412032 [pid 5865] umount2("./56", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] umount2("./55", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5865] openat(AT_FDCWD, "./56", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5865] <... openat resumed>) = 3 [pid 5863] openat(AT_FDCWD, "./55", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", [pid 5863] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5863] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5863] umount2("./55/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] newfstatat(AT_FDCWD, "./55/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5863] unlink("./55/binderfs" [pid 5865] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5863] <... unlink resumed>) = 0 [pid 5865] getdents64(3, [pid 5863] umount2("./55/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5865] <... getdents64 resumed>0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5865] umount2("./56/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./56/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./56/binderfs" [pid 6618] <... munmap resumed>) = 0 [pid 5865] <... unlink resumed>) = 0 [pid 5865] umount2("./56/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6618] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 6619] <... munmap resumed>) = 0 [pid 6618] ioctl(4, LOOP_SET_FD, 3 [pid 6619] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [ 223.256746][ T5863] [ 223.256746][ T5863] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 223.256746][ T5863] [ 223.269950][ T5863] [ 223.269950][ T5863] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 223.269950][ T5863] [ 223.286793][ T5865] [ 223.286793][ T5865] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 223.286793][ T5865] [ 223.300603][ T6618] loop1: detected capacity change from 0 to 32768 [pid 6619] ioctl(4, LOOP_SET_FD, 3 [pid 6618] <... ioctl resumed>) = 0 [pid 6618] close(3) = 0 [pid 6618] close(4) = 0 [pid 6618] mkdir("./bus", 0777) = 0 [pid 6619] <... ioctl resumed>) = 0 [pid 6618] mount("/dev/loop1", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6619] close(3) = 0 [pid 6619] close(4) = 0 [pid 5863] <... umount2 resumed>) = 0 [pid 6619] mkdir("./bus", 0777) = 0 [ 223.312415][ T6619] loop3: detected capacity change from 0 to 32768 [ 223.333204][ T5865] [ 223.333204][ T5865] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 223.333204][ T5865] [pid 6619] mount("/dev/loop3", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 5863] umount2("./55/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] newfstatat(AT_FDCWD, "./55/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5863] umount2("./55/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] openat(AT_FDCWD, "./55/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5863] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6621] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5865] <... umount2 resumed>) = 0 [pid 5863] getdents64(4, [pid 5865] umount2("./56/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5863] <... getdents64 resumed>0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5863] getdents64(4, [pid 5865] newfstatat(AT_FDCWD, "./56/bus", [pid 5863] <... getdents64 resumed>0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5865] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6618] <... mount resumed>) = 0 [pid 5863] close(4 [pid 5865] umount2("./56/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6618] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5863] <... close resumed>) = 0 [pid 5865] openat(AT_FDCWD, "./56/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6618] <... openat resumed>) = 3 [pid 5865] <... openat resumed>) = 4 [pid 5863] rmdir("./55/bus" [pid 5865] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5863] <... rmdir resumed>) = 0 [pid 6618] chdir("./bus" [pid 5863] getdents64(3, [pid 6618] <... chdir resumed>) = 0 [pid 6618] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5865] getdents64(4, [pid 5863] <... getdents64 resumed>0x555566de9730 /* 0 entries */, 32768) = 0 [pid 6618] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5865] <... getdents64 resumed>0x555566df1770 /* 2 entries */, 32768) = 48 [ 223.372369][ T6618] [ 223.372369][ T6618] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 223.372369][ T6618] [ 223.385810][ T6619] [ 223.385810][ T6619] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 223.385810][ T6619] [pid 5863] close(3 [pid 6618] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] getdents64(4, [pid 6619] <... mount resumed>) = 0 [pid 6618] <... futex resumed>) = 1 [pid 6617] <... futex resumed>) = 0 [pid 5865] <... getdents64 resumed>0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5863] <... close resumed>) = 0 [pid 6619] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6618] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6617] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] rmdir("./55" [pid 6619] <... openat resumed>) = 3 [pid 6618] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6617] <... futex resumed>) = 0 [pid 5865] close(4 [pid 5863] <... rmdir resumed>) = 0 [pid 6619] chdir("./bus" [pid 6618] chdir("./file0" [pid 6617] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5865] <... close resumed>) = 0 [pid 5863] mkdir("./56", 0777 [pid 6619] <... chdir resumed>) = 0 [pid 5865] rmdir("./56/bus") = 0 [pid 5863] <... mkdir resumed>) = 0 [pid 5863] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 6619] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5863] ioctl(3, LOOP_CLR_FD [pid 6619] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5863] <... ioctl resumed>) = 0 [pid 5863] close(3 [pid 6619] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] getdents64(3, [pid 6619] <... futex resumed>) = 1 [pid 6616] <... futex resumed>) = 0 [pid 6616] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6616] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6619] chdir("./file0") = 0 [pid 6618] <... chdir resumed>) = 0 [pid 5865] <... getdents64 resumed>0x555566de9730 /* 0 entries */, 32768) = 0 [pid 6619] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6618] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6619] <... futex resumed>) = 1 [pid 6618] <... futex resumed>) = 1 [pid 6616] <... futex resumed>) = 0 [pid 6618] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6616] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6616] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6619] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 5865] close(3 [pid 6617] <... futex resumed>) = 0 [pid 6617] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] <... close resumed>) = 0 [pid 6617] <... futex resumed>) = 1 [pid 6618] <... futex resumed>) = 0 [pid 6618] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6617] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5865] rmdir("./56") = 0 [pid 5865] mkdir("./57", 0777) = 0 [pid 5865] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 6619] <... open resumed>) = -1 EIO (Input/output error) [pid 5865] ioctl(3, LOOP_CLR_FD) = 0 [pid 6619] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6616] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5865] close(3 [pid 6616] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6616] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6619] <... futex resumed>) = 1 [pid 6616] <... futex resumed>) = 0 [pid 6616] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=41000000} [pid 6617] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6617] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 6617] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 6617] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6617] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f00000 [pid 6617] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6617] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6617] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0} => {parent_tid=[6624]}, 88) = 6624 [pid 6617] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6624 attached NULL, 8) = 0 [pid 6617] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6617] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6624] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053 [pid 6619] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x7) [pid 6618] <... open resumed>) = -1 EIO (Input/output error) [pid 6624] <... rseq resumed>) = 0 [pid 6618] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6624] set_robust_list(0x7f46d9f209a0, 24 [pid 6618] <... futex resumed>) = 0 [pid 6624] <... set_robust_list resumed>) = 0 [ 223.504633][ T6619] read_mapping_page failed! [ 223.509206][ T6619] ERROR: (device loop3): txCommit: [ 223.509206][ T6619] [ 223.518686][ T6618] read_mapping_page failed! [ 223.525899][ T6618] ERROR: (device loop1): txCommit: [ 223.525899][ T6618] [pid 6618] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6624] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6624] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x3) [pid 6619] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6617] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6616] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6617] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6616] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6618] <... futex resumed>) = 0 [pid 6617] <... futex resumed>) = 1 [pid 6616] <... futex resumed>) = 0 [pid 6618] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6617] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6616] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f00000 [pid 6616] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6616] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6616] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0} => {parent_tid=[6625]}, 88) = 6625 [pid 6616] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6616] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6616] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6625 attached [pid 6625] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053) = 0 [pid 6625] set_robust_list(0x7f46d9f209a0, 24) = 0 [pid 6625] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6625] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [ 223.580758][ T6619] read_mapping_page failed! [ 223.583884][ T6624] read_mapping_page failed! [ 223.593327][ T6619] ERROR: (device loop3): txCommit: [ 223.593327][ T6619] [ 223.593381][ T6624] ERROR: (device loop1): txCommit: [ 223.593381][ T6624] [ 223.625067][ T6625] read_mapping_page failed! [pid 6619] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6619] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6624] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6624] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6624] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6625] <... openat resumed>) = -1 EIO (Input/output error) [pid 6625] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6616] <... futex resumed>) = 0 [pid 6616] exit_group(0) = ? [pid 6617] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6625] <... futex resumed>) = ? [pid 6625] +++ exited with 0 +++ [pid 6619] <... futex resumed>) = ? [pid 6619] +++ exited with 0 +++ [pid 6616] +++ exited with 0 +++ [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6616, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=27 /* 0.27 s */} --- [pid 5866] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5866] umount2("./56", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] openat(AT_FDCWD, "./56", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5866] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5866] umount2("./56/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./56/binderfs", [pid 6618] <... openat resumed>) = -1 EIO (Input/output error) [pid 5866] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] unlink("./56/binderfs" [pid 6618] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] <... unlink resumed>) = 0 [pid 6618] <... futex resumed>) = 0 [pid 5866] umount2("./56/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6618] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6617] exit_group(0 [pid 6624] <... futex resumed>) = ? [pid 6618] <... futex resumed>) = ? [pid 6617] <... exit_group resumed>) = ? [pid 6624] +++ exited with 0 +++ [pid 6618] +++ exited with 0 +++ [pid 6617] +++ exited with 0 +++ [pid 5864] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6617, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=29 /* 0.29 s */} --- [ 223.629784][ T6625] ERROR: (device loop3): txCommit: [ 223.629784][ T6625] [ 223.662562][ T6618] read_mapping_page failed! [ 223.672201][ T6618] ERROR: (device loop1): txCommit: [ 223.672201][ T6618] [pid 5864] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5864] umount2("./55", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] openat(AT_FDCWD, "./55", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5864] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5864] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5864] umount2("./55/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] newfstatat(AT_FDCWD, "./55/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5864] unlink("./55/binderfs") = 0 [pid 5864] umount2("./55/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5863] <... close resumed>) = 0 [pid 5863] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6626 attached [ 223.715232][ T5866] [ 223.715232][ T5866] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 223.715232][ T5866] [ 223.754033][ T5864] [ 223.754033][ T5864] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 223.754033][ T5864] [pid 6626] set_robust_list(0x555566de86a0, 24) = 0 [pid 5863] <... clone resumed>, child_tidptr=0x555566de8690) = 6626 [pid 6626] chdir("./56") = 0 [pid 6626] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6626] setpgid(0, 0) = 0 [pid 6626] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6626] write(3, "1000", 4) = 4 [pid 6626] close(3) = 0 [pid 6626] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6626] write(1, "executing program\n", 18) = 18 [pid 6626] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6626] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6626] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6626] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6626] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6626] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6626] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0}./strace-static-x86_64: Process 6627 attached => {parent_tid=[6627]}, 88) = 6627 [pid 6626] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6626] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6626] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6627] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053) = 0 [pid 6627] set_robust_list(0x7f46d9f419a0, 24) = 0 [pid 6627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6627] memfd_create("syzkaller", 0) = 3 [pid 6627] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 5866] <... umount2 resumed>) = 0 [pid 5866] umount2("./56/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./56/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5864] <... umount2 resumed>) = 0 [pid 5866] umount2("./56/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5864] umount2("./55/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5864] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5866] openat(AT_FDCWD, "./56/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5864] newfstatat(AT_FDCWD, "./55/bus", [pid 5866] <... openat resumed>) = 4 [pid 5864] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] newfstatat(4, "", [pid 5864] umount2("./55/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5866] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5864] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5866] getdents64(4, [pid 5864] openat(AT_FDCWD, "./55/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5866] <... getdents64 resumed>0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5864] newfstatat(4, "", [pid 5866] getdents64(4, [pid 5864] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] <... getdents64 resumed>0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5864] getdents64(4, [pid 5866] close(4) = 0 [pid 5864] <... getdents64 resumed>0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5866] rmdir("./56/bus" [pid 5864] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5866] <... rmdir resumed>) = 0 [pid 5864] close(4 [pid 5866] getdents64(3, [pid 5864] <... close resumed>) = 0 [pid 5866] <... getdents64 resumed>0x555566de9730 /* 0 entries */, 32768) = 0 [ 223.765304][ T5866] [ 223.765304][ T5866] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 223.765304][ T5866] [ 223.783290][ T5864] [ 223.783290][ T5864] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 223.783290][ T5864] [pid 5864] rmdir("./55/bus") = 0 [pid 5866] close(3 [pid 5864] getdents64(3, [pid 5866] <... close resumed>) = 0 [pid 5864] <... getdents64 resumed>0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5866] rmdir("./56" [pid 5864] close(3) = 0 [pid 5866] <... rmdir resumed>) = 0 [pid 5865] <... close resumed>) = 0 [pid 5864] rmdir("./55" [pid 5866] mkdir("./57", 0777 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5864] <... rmdir resumed>) = 0 [pid 6621] <... write resumed>) = 16777216 ./strace-static-x86_64: Process 6628 attached [pid 6621] munmap(0x7f46d1a00000, 138412032 [pid 5866] <... mkdir resumed>) = 0 [pid 5864] mkdir("./56", 0777 [pid 6628] set_robust_list(0x555566de86a0, 24 [pid 5864] <... mkdir resumed>) = 0 [pid 6628] <... set_robust_list resumed>) = 0 [pid 5866] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5865] <... clone resumed>, child_tidptr=0x555566de8690) = 6628 [pid 6628] chdir("./57" [pid 5864] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6628] <... chdir resumed>) = 0 [pid 5866] <... openat resumed>) = 3 [pid 5866] ioctl(3, LOOP_CLR_FD [pid 5864] <... openat resumed>) = 3 [pid 6628] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6621] <... munmap resumed>) = 0 [pid 5866] <... ioctl resumed>) = 0 [pid 6628] <... prctl resumed>) = 0 [pid 6621] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5866] close(3 [pid 5864] ioctl(3, LOOP_CLR_FD [pid 6628] setpgid(0, 0 [pid 6621] <... openat resumed>) = 4 [pid 6621] ioctl(4, LOOP_SET_FD, 3 [pid 6628] <... setpgid resumed>) = 0 [pid 5864] <... ioctl resumed>) = 0 [pid 6628] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5864] close(3 [pid 6628] <... openat resumed>) = 3 [pid 6628] write(3, "1000", 4) = 4 [pid 6628] close(3executing program ) = 0 [pid 6621] <... ioctl resumed>) = 0 [pid 6628] symlink("/dev/binderfs", "./binderfs" [pid 6621] close(3) = 0 [pid 6621] close(4) = 0 [pid 6621] mkdir("./bus", 0777 [pid 6628] <... symlink resumed>) = 0 [pid 6628] write(1, "executing program\n", 18 [pid 6621] <... mkdir resumed>) = 0 [pid 6628] <... write resumed>) = 18 [pid 6621] mount("/dev/loop4", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6628] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6628] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6628] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6628] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [ 223.941833][ T6621] loop4: detected capacity change from 0 to 32768 [ 223.980008][ T6621] [ 223.980008][ T6621] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 223.980008][ T6621] [pid 6627] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6621] <... mount resumed>) = 0 [pid 6628] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6628] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6621] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6621] chdir("./bus") = 0 [pid 6621] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6628] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6621] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6621] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6621] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6620] <... futex resumed>) = 0 [pid 6621] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6620] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6628] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} [pid 6621] chdir("./file0" [pid 6620] <... futex resumed>) = 0 [pid 6621] <... chdir resumed>) = 0 [pid 6620] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6621] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6621] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6628] <... clone3 resumed> => {parent_tid=[6629]}, 88) = 6629 [pid 6620] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 6629 attached [pid 6628] rt_sigprocmask(SIG_SETMASK, [], [pid 6620] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6629] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6628] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6629] <... rseq resumed>) = 0 [pid 6620] <... futex resumed>) = 1 [pid 6629] set_robust_list(0x7f46d9f419a0, 24 [pid 6628] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6620] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6629] <... set_robust_list resumed>) = 0 [pid 6628] <... futex resumed>) = 0 [pid 6629] rt_sigprocmask(SIG_SETMASK, [], [pid 6628] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6629] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6621] <... futex resumed>) = 0 [pid 6621] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6629] memfd_create("syzkaller", 0) = 3 [pid 6629] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 6621] <... open resumed>) = -1 EIO (Input/output error) [pid 6621] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6621] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6620] <... futex resumed>) = 0 [ 224.050028][ T6621] read_mapping_page failed! [ 224.061100][ T6621] ERROR: (device loop4): txCommit: [ 224.061100][ T6621] [pid 6620] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6621] <... futex resumed>) = 0 [pid 6620] <... futex resumed>) = 1 [pid 6621] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x9) [pid 6620] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6621] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6621] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6620] <... futex resumed>) = 0 [pid 6621] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6620] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 224.109190][ T6621] read_mapping_page failed! [ 224.114539][ T6621] ERROR: (device loop4): txCommit: [ 224.114539][ T6621] [pid 6620] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6621] <... openat resumed>) = -1 EIO (Input/output error) [pid 6621] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6620] <... futex resumed>) = 0 [pid 6620] exit_group(0) = ? [pid 6621] +++ exited with 0 +++ [pid 6620] +++ exited with 0 +++ [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6620, si_uid=0, si_status=0, si_utime=10 /* 0.10 s */, si_stime=27 /* 0.27 s */} --- [pid 5867] umount2("./56", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./56", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5867] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5867] umount2("./56/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./56/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] unlink("./56/binderfs") = 0 [ 224.154225][ T6621] read_mapping_page failed! [ 224.158790][ T6621] ERROR: (device loop4): txCommit: [ 224.158790][ T6621] [pid 5867] umount2("./56/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5866] <... close resumed>) = 0 [pid 5864] <... close resumed>) = 0 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5864] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5866] <... clone resumed>, child_tidptr=0x555566de8690) = 6630 ./strace-static-x86_64: Process 6630 attached ./strace-static-x86_64: Process 6631 attached [pid 6630] set_robust_list(0x555566de86a0, 24 [pid 6631] set_robust_list(0x555566de86a0, 24 [pid 6630] <... set_robust_list resumed>) = 0 [pid 5864] <... clone resumed>, child_tidptr=0x555566de8690) = 6631 [pid 6631] <... set_robust_list resumed>) = 0 [pid 6630] chdir("./57" [pid 6631] chdir("./56" [pid 6630] <... chdir resumed>) = 0 [pid 6631] <... chdir resumed>) = 0 [pid 6630] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6631] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6630] <... prctl resumed>) = 0 [pid 6631] <... prctl resumed>) = 0 [pid 6630] setpgid(0, 0 [pid 6631] setpgid(0, 0 [pid 6630] <... setpgid resumed>) = 0 [pid 6631] <... setpgid resumed>) = 0 [pid 6630] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6631] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6630] <... openat resumed>) = 3 [pid 6630] write(3, "1000", 4 [pid 6631] <... openat resumed>) = 3 [pid 6630] <... write resumed>) = 4 [pid 6630] close(3 [pid 6631] write(3, "1000", 4) = 4 [pid 6631] close(3 [pid 6630] <... close resumed>) = 0 [pid 6630] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6630] write(1, "executing program\n", 18) = 18 [pid 6630] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6630] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, [pid 6631] <... close resumed>) = 0 [pid 6631] symlink("/dev/binderfs", "./binderfs" [pid 6630] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5867] <... umount2 resumed>) = 0 [pid 6630] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5867] umount2("./56/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6630] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6630] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5867] newfstatat(AT_FDCWD, "./56/bus", [pid 6630] <... mmap resumed>) = 0x7f46d9f21000 [pid 5867] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6630] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE [pid 5867] umount2("./56/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6631] <... symlink resumed>) = 0 executing program [pid 6631] write(1, "executing program\n", 18 [pid 6630] <... mprotect resumed>) = 0 [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6631] <... write resumed>) = 18 [ 224.224258][ T5867] [ 224.224258][ T5867] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 224.224258][ T5867] [ 224.246518][ T5867] [ 224.246518][ T5867] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 224.246518][ T5867] [pid 6631] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6630] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5867] openat(AT_FDCWD, "./56/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6631] <... futex resumed>) = 0 [pid 6631] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, [pid 6630] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5867] <... openat resumed>) = 4 [pid 6631] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6631] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6630] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} [pid 5867] newfstatat(4, "", [pid 6631] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6631] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5867] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 ./strace-static-x86_64: Process 6632 attached [pid 6631] <... mmap resumed>) = 0x7f46d9f21000 [pid 6630] <... clone3 resumed> => {parent_tid=[6632]}, 88) = 6632 [pid 5867] getdents64(4, [pid 6632] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6631] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE [pid 6630] rt_sigprocmask(SIG_SETMASK, [], [pid 5867] <... getdents64 resumed>0x555566df1770 /* 2 entries */, 32768) = 48 [pid 6632] <... rseq resumed>) = 0 [pid 6631] <... mprotect resumed>) = 0 [pid 6630] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6632] set_robust_list(0x7f46d9f419a0, 24) = 0 [pid 6631] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6630] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] getdents64(4, [pid 6632] rt_sigprocmask(SIG_SETMASK, [], [pid 6631] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5867] <... getdents64 resumed>0x555566df1770 /* 0 entries */, 32768) = 0 [pid 6632] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6631] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} [pid 5867] close(4) = 0 [pid 6630] <... futex resumed>) = 0 [pid 5867] rmdir("./56/bus"./strace-static-x86_64: Process 6633 attached [pid 6632] memfd_create("syzkaller", 0 [pid 6630] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5867] <... rmdir resumed>) = 0 [pid 6633] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6632] <... memfd_create resumed>) = 3 [pid 6631] <... clone3 resumed> => {parent_tid=[6633]}, 88) = 6633 [pid 5867] getdents64(3, [pid 6633] <... rseq resumed>) = 0 [pid 6632] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6631] rt_sigprocmask(SIG_SETMASK, [], [pid 6633] set_robust_list(0x7f46d9f419a0, 24 [pid 6631] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6633] <... set_robust_list resumed>) = 0 [pid 6632] <... mmap resumed>) = 0x7f46d1a00000 [pid 6631] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6633] rt_sigprocmask(SIG_SETMASK, [], [pid 5867] <... getdents64 resumed>0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5867] close(3) = 0 [pid 5867] rmdir("./56" [pid 6633] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6631] <... futex resumed>) = 0 [pid 5867] <... rmdir resumed>) = 0 [pid 6631] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5867] mkdir("./57", 0777 [pid 6633] memfd_create("syzkaller", 0 [pid 5867] <... mkdir resumed>) = 0 [pid 5867] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5867] ioctl(3, LOOP_CLR_FD) = 0 [pid 5867] close(3) = 0 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6634 attached [pid 6633] <... memfd_create resumed>) = 3 [pid 5867] <... clone resumed>, child_tidptr=0x555566de8690) = 6634 [pid 6633] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 6634] set_robust_list(0x555566de86a0, 24) = 0 [pid 6634] chdir("./57") = 0 [pid 6634] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6634] setpgid(0, 0) = 0 [pid 6634] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6634] write(3, "1000", 4) = 4 [pid 6634] close(3) = 0 [pid 6634] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6634] write(1, "executing program\n", 18) = 18 [pid 6634] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6634] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6634] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6634] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6634] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6634] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6634] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} => {parent_tid=[6635]}, 88) = 6635 [pid 6634] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6634] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6634] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 6635 attached [pid 6635] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053) = 0 [pid 6635] set_robust_list(0x7f46d9f419a0, 24) = 0 [pid 6635] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6635] memfd_create("syzkaller", 0) = 3 [pid 6635] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 6627] <... write resumed>) = 16777216 [pid 6627] munmap(0x7f46d1a00000, 138412032) = 0 [pid 6627] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 6627] ioctl(4, LOOP_SET_FD, 3 [pid 6629] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6627] <... ioctl resumed>) = 0 [pid 6627] close(3) = 0 [pid 6627] close(4) = 0 [pid 6627] mkdir("./bus", 0777) = 0 [ 224.453624][ T6627] loop0: detected capacity change from 0 to 32768 [pid 6627] mount("/dev/loop0", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic,") = 0 [pid 6627] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6627] chdir("./bus") = 0 [pid 6627] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6627] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6626] <... futex resumed>) = 0 [pid 6627] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6626] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6627] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6626] <... futex resumed>) = 0 [pid 6627] chdir("./file0" [pid 6626] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6627] <... chdir resumed>) = 0 [pid 6627] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6626] <... futex resumed>) = 0 [ 224.498562][ T6627] [ 224.498562][ T6627] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 224.498562][ T6627] [pid 6626] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6627] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [ 224.550046][ T6627] read_mapping_page failed! [pid 6626] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 6626] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6626] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f00000 [pid 6626] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6626] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6626] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0} => {parent_tid=[6636]}, 88) = 6636 [pid 6626] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6626] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6626] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6636 attached [pid 6627] <... open resumed>) = -1 EIO (Input/output error) [pid 6627] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6627] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6636] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053) = 0 [pid 6636] set_robust_list(0x7f46d9f209a0, 24) = 0 [pid 6636] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [ 224.573013][ T6627] ERROR: (device loop0): txCommit: [ 224.573013][ T6627] [pid 6636] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x1) [pid 6626] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6626] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6627] <... futex resumed>) = 0 [pid 6626] <... futex resumed>) = 1 [pid 6627] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [ 224.629575][ T6636] read_mapping_page failed! [ 224.643010][ T6636] ERROR: (device loop0): txCommit: [ 224.643010][ T6636] [pid 6626] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6636] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6636] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6636] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6627] <... openat resumed>) = -1 EIO (Input/output error) [pid 6627] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6626] <... futex resumed>) = 0 [pid 6626] exit_group(0 [pid 6636] <... futex resumed>) = ? [pid 6626] <... exit_group resumed>) = ? [pid 6636] +++ exited with 0 +++ [pid 6627] +++ exited with 0 +++ [pid 6626] +++ exited with 0 +++ [pid 5863] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6626, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=27 /* 0.27 s */} --- [pid 5863] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5863] umount2("./56", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] openat(AT_FDCWD, "./56", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5863] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5863] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5863] umount2("./56/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] newfstatat(AT_FDCWD, "./56/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5863] unlink("./56/binderfs") = 0 [ 224.676307][ T6627] read_mapping_page failed! [ 224.680974][ T6627] ERROR: (device loop0): txCommit: [ 224.680974][ T6627] [pid 5863] umount2("./56/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 5863] umount2("./56/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] newfstatat(AT_FDCWD, "./56/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5863] umount2("./56/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] openat(AT_FDCWD, "./56/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [ 224.726421][ T5863] [ 224.726421][ T5863] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 224.726421][ T5863] [ 224.744084][ T5863] [ 224.744084][ T5863] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 224.744084][ T5863] [pid 6633] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6632] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5863] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5863] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5863] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5863] close(4) = 0 [pid 5863] rmdir("./56/bus") = 0 [pid 5863] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5863] close(3) = 0 [pid 6635] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5863] rmdir("./56") = 0 [pid 5863] mkdir("./57", 0777) = 0 [pid 5863] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5863] ioctl(3, LOOP_CLR_FD) = 0 [pid 5863] close(3 [pid 6629] <... write resumed>) = 16777216 [pid 6629] munmap(0x7f46d1a00000, 138412032) = 0 [pid 6629] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 6629] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6629] close(3) = 0 [pid 6629] close(4) = 0 [pid 6629] mkdir("./bus", 0777) = 0 [pid 6629] mount("/dev/loop2", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 5863] <... close resumed>) = 0 [ 225.064585][ T6629] loop2: detected capacity change from 0 to 32768 [ 225.092665][ T6629] [ 225.092665][ T6629] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 225.092665][ T6629] [pid 5863] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6637 attached [pid 6629] <... mount resumed>) = 0 [pid 6637] set_robust_list(0x555566de86a0, 24 [pid 6629] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5863] <... clone resumed>, child_tidptr=0x555566de8690) = 6637 [pid 6637] <... set_robust_list resumed>) = 0 [pid 6637] chdir("./57" [pid 6629] <... openat resumed>) = 3 [pid 6629] chdir("./bus") = 0 [pid 6629] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6637] <... chdir resumed>) = 0 [pid 6629] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6629] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6628] <... futex resumed>) = 0 [pid 6637] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6628] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6637] <... prctl resumed>) = 0 [pid 6628] <... futex resumed>) = 1 [pid 6637] setpgid(0, 0 [pid 6632] <... write resumed>) = 16777216 [pid 6629] <... futex resumed>) = 0 [pid 6628] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6637] <... setpgid resumed>) = 0 [pid 6629] chdir("./file0" [pid 6637] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6632] munmap(0x7f46d1a00000, 138412032 [pid 6629] <... chdir resumed>) = 0 [pid 6637] write(3, "1000", 4 [pid 6629] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6637] <... write resumed>) = 4 [pid 6629] <... futex resumed>) = 1 [pid 6628] <... futex resumed>) = 0 [pid 6637] close(3 [pid 6629] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6637] <... close resumed>) = 0 [pid 6628] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6637] symlink("/dev/binderfs", "./binderfs" [pid 6629] <... futex resumed>) = 0 [pid 6628] <... futex resumed>) = 1 [pid 6629] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6628] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6637] <... symlink resumed>) = 0 [pid 6637] write(1, "executing program\n", 18executing program ) = 18 [pid 6632] <... munmap resumed>) = 0 [pid 6629] <... open resumed>) = -1 EIO (Input/output error) [pid 6637] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6635] <... write resumed>) = 16777216 [pid 6633] <... write resumed>) = 16777216 [pid 6632] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6629] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6637] <... futex resumed>) = 0 [pid 6635] munmap(0x7f46d1a00000, 138412032 [pid 6633] munmap(0x7f46d1a00000, 138412032 [pid 6632] <... openat resumed>) = 4 [pid 6629] <... futex resumed>) = 1 [pid 6628] <... futex resumed>) = 0 [pid 6637] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, [pid 6628] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6637] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6628] <... futex resumed>) = 0 [pid 6637] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6628] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6637] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6637] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [ 225.182951][ T6629] read_mapping_page failed! [ 225.187807][ T6629] ERROR: (device loop2): txCommit: [ 225.187807][ T6629] [pid 6637] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6637] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6629] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x5) [pid 6637] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} [pid 6632] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 6638 attached [pid 6635] <... munmap resumed>) = 0 [pid 6632] <... ioctl resumed>) = 0 [pid 6629] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6638] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6637] <... clone3 resumed> => {parent_tid=[6638]}, 88) = 6638 [pid 6638] <... rseq resumed>) = 0 [pid 6637] rt_sigprocmask(SIG_SETMASK, [], [pid 6635] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6629] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6638] set_robust_list(0x7f46d9f419a0, 24 [pid 6637] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6635] <... openat resumed>) = 4 [pid 6628] <... futex resumed>) = 0 [pid 6628] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 225.228102][ T6629] read_mapping_page failed! [ 225.232670][ T6629] ERROR: (device loop2): txCommit: [ 225.232670][ T6629] [ 225.243933][ T6632] loop3: detected capacity change from 0 to 32768 [pid 6628] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6632] close(3 [pid 6638] <... set_robust_list resumed>) = 0 [pid 6637] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6635] ioctl(4, LOOP_SET_FD, 3 [pid 6633] <... munmap resumed>) = 0 [pid 6629] <... futex resumed>) = 1 [pid 6637] <... futex resumed>) = 0 [pid 6633] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6632] <... close resumed>) = 0 [pid 6633] <... openat resumed>) = 4 [pid 6632] close(4) = 0 [pid 6633] ioctl(4, LOOP_SET_FD, 3 [pid 6632] mkdir("./bus", 0777 [pid 6638] rt_sigprocmask(SIG_SETMASK, [], [pid 6637] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6635] <... ioctl resumed>) = 0 [pid 6629] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6638] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6635] close(3 [pid 6638] memfd_create("syzkaller", 0 [pid 6632] <... mkdir resumed>) = 0 [pid 6638] <... memfd_create resumed>) = 3 [pid 6635] <... close resumed>) = 0 [pid 6632] mount("/dev/loop3", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6635] close(4 [pid 6638] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 6635] <... close resumed>) = 0 [pid 6635] mkdir("./bus", 0777 [pid 6633] <... ioctl resumed>) = 0 [pid 6635] <... mkdir resumed>) = 0 [pid 6628] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 225.274978][ T6635] loop4: detected capacity change from 0 to 32768 [ 225.276125][ T6633] loop1: detected capacity change from 0 to 32768 [ 225.291386][ T6629] read_mapping_page failed! [ 225.297113][ T6629] ERROR: (device loop2): txCommit: [ 225.297113][ T6629] [pid 6635] mount("/dev/loop4", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6633] close(3) = 0 [pid 6633] close(4) = 0 [pid 6633] mkdir("./bus", 0777) = 0 [pid 6633] mount("/dev/loop1", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6629] <... openat resumed>) = -1 EIO (Input/output error) [pid 6629] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6629] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6635] <... mount resumed>) = 0 [pid 6635] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6628] exit_group(0 [pid 6635] <... openat resumed>) = 3 [pid 6635] chdir("./bus" [pid 6629] <... futex resumed>) = ? [pid 6628] <... exit_group resumed>) = ? [pid 6635] <... chdir resumed>) = 0 [pid 6629] +++ exited with 0 +++ [pid 6628] +++ exited with 0 +++ [pid 6635] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6628, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=30 /* 0.30 s */} --- [pid 6635] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5865] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 6635] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6634] <... futex resumed>) = 0 [pid 6635] chdir("./file0" [pid 6634] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6634] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5865] umount2("./57", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6635] <... chdir resumed>) = 0 [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6635] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] openat(AT_FDCWD, "./57", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6635] <... futex resumed>) = 1 [pid 6634] <... futex resumed>) = 0 [pid 6635] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6634] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] <... openat resumed>) = 3 [pid 6634] <... futex resumed>) = 0 [ 225.323695][ T6635] [ 225.323695][ T6635] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 225.323695][ T6635] [ 225.333361][ T6632] [ 225.333361][ T6632] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 225.333361][ T6632] [pid 5865] newfstatat(3, "", [pid 6634] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5865] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5865] umount2("./57/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6632] <... mount resumed>) = 0 [pid 6632] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5865] newfstatat(AT_FDCWD, "./57/binderfs", [pid 6632] <... openat resumed>) = 3 [pid 6632] chdir("./bus") = 0 [pid 6632] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6632] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6632] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5865] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6630] <... futex resumed>) = 0 [pid 5865] unlink("./57/binderfs" [pid 6630] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] <... unlink resumed>) = 0 [pid 6630] <... futex resumed>) = 1 [pid 6632] <... futex resumed>) = 0 [pid 6632] chdir("./file0" [pid 6630] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5865] umount2("./57/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6632] <... chdir resumed>) = 0 [pid 6632] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6632] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6630] <... futex resumed>) = 0 [ 225.375966][ T6633] [ 225.375966][ T6633] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 225.375966][ T6633] [ 225.376210][ T6635] read_mapping_page failed! [ 225.412327][ T5865] [ 225.412327][ T5865] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 225.412327][ T5865] [pid 6630] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6633] <... mount resumed>) = 0 [pid 6630] <... futex resumed>) = 1 [pid 6632] <... futex resumed>) = 0 [pid 6632] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6633] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6630] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6633] <... openat resumed>) = 3 [pid 6633] chdir("./bus") = 0 [pid 6633] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6633] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6631] <... futex resumed>) = 0 [pid 6631] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6631] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6633] chdir("./file0") = 0 [pid 6634] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6633] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6631] <... futex resumed>) = 0 [pid 6631] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6631] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6633] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6634] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6635] <... open resumed>) = -1 EIO (Input/output error) [pid 6634] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f00000 [ 225.423760][ T6635] ERROR: (device loop4): txCommit: [ 225.423760][ T6635] [ 225.432560][ T6632] read_mapping_page failed! [ 225.451822][ T6633] read_mapping_page failed! [ 225.461123][ T6632] ERROR: (device loop3): txCommit: [ 225.461123][ T6632] [ 225.468747][ T5865] [pid 6635] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6634] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE [pid 6633] <... open resumed>) = -1 EIO (Input/output error) [pid 6633] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6631] <... futex resumed>) = 0 [pid 6631] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6631] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6633] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x3) [pid 6635] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6634] <... mprotect resumed>) = 0 [pid 6630] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6630] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6634] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6630] <... futex resumed>) = 0 [pid 6634] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6630] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6632] <... open resumed>) = -1 EIO (Input/output error) [pid 6632] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6632] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6634] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0} [pid 6630] <... mmap resumed>) = 0x7f46d9f00000 [pid 6630] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 6639 attached [pid 6634] <... clone3 resumed> => {parent_tid=[6639]}, 88) = 6639 [pid 6639] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053 [pid 6634] rt_sigprocmask(SIG_SETMASK, [], [pid 6630] <... mprotect resumed>) = 0 [pid 6639] <... rseq resumed>) = 0 [pid 6634] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6630] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6639] set_robust_list(0x7f46d9f209a0, 24 [pid 6634] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6630] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6639] <... set_robust_list resumed>) = 0 [pid 6634] <... futex resumed>) = 0 [pid 6639] rt_sigprocmask(SIG_SETMASK, [], [pid 6630] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0} [pid 6634] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6639] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6639] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x9) [pid 6630] <... clone3 resumed> => {parent_tid=[6640]}, 88) = 6640 [ 225.468747][ T5865] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 225.468747][ T5865] [ 225.479228][ T6633] ERROR: (device loop1): txCommit: [ 225.479228][ T6633] [ 225.480908][ T6633] read_mapping_page failed! [ 225.503074][ T6633] ERROR: (device loop1): txCommit: [ 225.503074][ T6633] [pid 6630] rt_sigprocmask(SIG_SETMASK, [], [pid 6633] <... mknod resumed>) = -1 EIO (Input/output error) ./strace-static-x86_64: Process 6640 attached [pid 6633] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6640] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053 [pid 6633] <... futex resumed>) = 1 [pid 6631] <... futex resumed>) = 0 [pid 6640] <... rseq resumed>) = 0 [pid 6633] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6631] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6640] set_robust_list(0x7f46d9f209a0, 24 [pid 6631] <... futex resumed>) = 0 [pid 6631] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6630] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6640] <... set_robust_list resumed>) = 0 [pid 6640] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6640] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6630] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6640] <... futex resumed>) = 0 [pid 6640] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x7) [ 225.526774][ T6639] read_mapping_page failed! [ 225.530026][ T6633] read_mapping_page failed! [ 225.531308][ T6639] ERROR: (device loop4): txCommit: [ 225.531308][ T6639] [ 225.550255][ T6633] ERROR: (device loop1): txCommit: [ 225.550255][ T6633] [ 225.560347][ T6640] read_mapping_page failed! [ 225.571912][ T6640] ERROR: (device loop3): txCommit: [pid 6630] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6634] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6634] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6635] <... futex resumed>) = 0 [pid 6634] <... futex resumed>) = 1 [pid 6635] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6634] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6633] <... openat resumed>) = -1 EIO (Input/output error) [pid 6633] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6631] <... futex resumed>) = 0 [pid 6631] exit_group(0) = ? [pid 6633] +++ exited with 0 +++ [pid 6631] +++ exited with 0 +++ [pid 5864] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6631, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=26 /* 0.26 s */} --- [pid 5864] restart_syscall(<... resuming interrupted clone ...> [pid 6640] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6639] <... mknod resumed>) = -1 EIO (Input/output error) [pid 5865] <... umount2 resumed>) = 0 [pid 5864] <... restart_syscall resumed>) = 0 [pid 6640] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6640] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6630] <... futex resumed>) = 0 [pid 6630] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6632] <... futex resumed>) = 0 [pid 6630] <... futex resumed>) = 1 [pid 5864] umount2("./56", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6639] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6632] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6630] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5865] umount2("./57/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5864] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6639] <... futex resumed>) = 0 [pid 6635] <... openat resumed>) = -1 EIO (Input/output error) [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5864] openat(AT_FDCWD, "./56", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6639] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6635] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] newfstatat(AT_FDCWD, "./57/bus", [pid 6638] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6635] <... futex resumed>) = 1 [pid 6634] <... futex resumed>) = 0 [pid 5865] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5864] <... openat resumed>) = 3 [pid 6635] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6634] exit_group(0 [pid 5865] umount2("./57/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6639] <... futex resumed>) = ? [pid 6635] <... futex resumed>) = ? [pid 6634] <... exit_group resumed>) = ? [pid 5864] newfstatat(3, "", [pid 6639] +++ exited with 0 +++ [pid 5864] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6632] <... openat resumed>) = -1 EIO (Input/output error) [pid 6635] +++ exited with 0 +++ [pid 6634] +++ exited with 0 +++ [pid 6632] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5864] getdents64(3, [pid 6632] <... futex resumed>) = 1 [pid 6630] <... futex resumed>) = 0 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6634, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=26 /* 0.26 s */} --- [pid 5865] openat(AT_FDCWD, "./57/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5864] <... getdents64 resumed>0x555566de9730 /* 4 entries */, 32768) = 104 [pid 6632] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6630] exit_group(0 [pid 5865] <... openat resumed>) = 4 [pid 5864] umount2("./56/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6640] <... futex resumed>) = ? [pid 6632] <... futex resumed>) = ? [pid 6630] <... exit_group resumed>) = ? [pid 5865] newfstatat(4, "", [pid 5864] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6640] +++ exited with 0 +++ [pid 5865] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5864] newfstatat(AT_FDCWD, "./56/binderfs", [pid 5867] umount2("./57", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5865] getdents64(4, [pid 5864] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5865] <... getdents64 resumed>0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5864] unlink("./56/binderfs" [pid 5867] openat(AT_FDCWD, "./57", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5865] getdents64(4, [pid 5864] <... unlink resumed>) = 0 [pid 6632] +++ exited with 0 +++ [pid 6630] +++ exited with 0 +++ [pid 5867] <... openat resumed>) = 3 [pid 5865] <... getdents64 resumed>0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5864] umount2("./56/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5867] newfstatat(3, "", [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6630, si_uid=0, si_status=0, si_utime=11 /* 0.11 s */, si_stime=29 /* 0.29 s */} --- [ 225.571912][ T6640] [ 225.589921][ T6635] read_mapping_page failed! [ 225.598317][ T6635] ERROR: (device loop4): txCommit: [ 225.598317][ T6635] [ 225.614971][ T6632] read_mapping_page failed! [ 225.619525][ T6632] ERROR: (device loop3): txCommit: [ 225.619525][ T6632] [pid 5865] close(4 [pid 5867] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] restart_syscall(<... resuming interrupted clone ...> [pid 5865] <... close resumed>) = 0 [pid 5865] rmdir("./57/bus") = 0 [pid 5867] getdents64(3, [pid 5865] getdents64(3, [pid 5867] <... getdents64 resumed>0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5865] <... getdents64 resumed>0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./57" [pid 5867] umount2("./57/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5865] <... rmdir resumed>) = 0 [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5866] <... restart_syscall resumed>) = 0 [pid 5867] newfstatat(AT_FDCWD, "./57/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] unlink("./57/binderfs") = 0 [pid 5865] mkdir("./58", 0777 [pid 5866] umount2("./57", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5865] <... mkdir resumed>) = 0 [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5867] umount2("./57/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5866] openat(AT_FDCWD, "./57", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5866] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5866] getdents64(3, [pid 5865] <... openat resumed>) = 3 [pid 5866] <... getdents64 resumed>0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5865] ioctl(3, LOOP_CLR_FD) = 0 [pid 5866] umount2("./57/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5865] close(3 [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./57/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] unlink("./57/binderfs") = 0 [ 225.652469][ T5864] [ 225.652469][ T5864] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 225.652469][ T5864] [ 225.666121][ T5867] [ 225.666121][ T5867] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 225.666121][ T5867] [ 225.677834][ T5864] [ 225.677834][ T5864] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 225.677834][ T5864] [ 225.695052][ T5866] [pid 5866] umount2("./57/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5864] <... umount2 resumed>) = 0 [pid 5864] umount2("./56/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] newfstatat(AT_FDCWD, "./56/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5864] umount2("./56/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] openat(AT_FDCWD, "./56/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5864] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] <... umount2 resumed>) = 0 [pid 5864] getdents64(4, [pid 5867] umount2("./57/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5864] <... getdents64 resumed>0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5864] getdents64(4, [pid 5867] newfstatat(AT_FDCWD, "./57/bus", [pid 5864] <... getdents64 resumed>0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5867] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5864] close(4 [pid 5867] umount2("./57/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5864] <... close resumed>) = 0 [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5864] rmdir("./56/bus" [pid 5867] openat(AT_FDCWD, "./57/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5866] <... umount2 resumed>) = 0 [pid 5864] <... rmdir resumed>) = 0 [pid 5867] <... openat resumed>) = 4 [pid 5866] umount2("./57/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5864] getdents64(3, [pid 5867] newfstatat(4, "", [pid 5864] <... getdents64 resumed>0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5867] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5864] close(3 [pid 5867] getdents64(4, [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5864] <... close resumed>) = 0 [pid 5866] newfstatat(AT_FDCWD, "./57/bus", [pid 5864] rmdir("./56" [pid 5866] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] <... getdents64 resumed>0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5866] umount2("./57/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5864] <... rmdir resumed>) = 0 [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 225.695052][ T5866] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 225.695052][ T5866] [ 225.707179][ T5867] [ 225.707179][ T5867] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 225.707179][ T5867] [ 225.727618][ T5866] [ 225.727618][ T5866] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 225.727618][ T5866] [pid 5864] mkdir("./57", 0777 [pid 5867] getdents64(4, [pid 5866] openat(AT_FDCWD, "./57/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5864] <... mkdir resumed>) = 0 [pid 5864] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5866] <... openat resumed>) = 4 [pid 5864] <... openat resumed>) = 3 [pid 5867] <... getdents64 resumed>0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5866] newfstatat(4, "", [pid 5867] close(4 [pid 5864] ioctl(3, LOOP_CLR_FD [pid 5867] <... close resumed>) = 0 [pid 5866] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5864] <... ioctl resumed>) = 0 [pid 5867] rmdir("./57/bus" [pid 5866] getdents64(4, [pid 5864] close(3 [pid 5866] <... getdents64 resumed>0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5867] <... rmdir resumed>) = 0 [pid 5866] getdents64(4, [pid 5867] getdents64(3, [pid 5866] <... getdents64 resumed>0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5867] <... getdents64 resumed>0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5866] close(4 [pid 5867] close(3 [pid 5866] <... close resumed>) = 0 [pid 5867] <... close resumed>) = 0 [pid 5866] rmdir("./57/bus") = 0 [pid 5867] rmdir("./57" [pid 5866] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5867] <... rmdir resumed>) = 0 [pid 5866] close(3) = 0 [pid 5866] rmdir("./57" [pid 5867] mkdir("./58", 0777 [pid 5866] <... rmdir resumed>) = 0 [pid 5867] <... mkdir resumed>) = 0 [pid 5866] mkdir("./58", 0777 [pid 5867] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5866] <... mkdir resumed>) = 0 [pid 5867] <... openat resumed>) = 3 [pid 5866] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5867] ioctl(3, LOOP_CLR_FD [pid 5866] <... openat resumed>) = 3 [pid 5866] ioctl(3, LOOP_CLR_FD) = 0 [pid 5866] close(3 [pid 5867] <... ioctl resumed>) = 0 [pid 5867] close(3 [pid 5865] <... close resumed>) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6641 attached , child_tidptr=0x555566de8690) = 6641 [pid 6641] set_robust_list(0x555566de86a0, 24) = 0 [pid 6641] chdir("./58") = 0 [pid 6641] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6641] setpgid(0, 0) = 0 [pid 6638] <... write resumed>) = 16777216 [pid 6641] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6638] munmap(0x7f46d1a00000, 138412032 [pid 6641] <... openat resumed>) = 3 [pid 6641] write(3, "1000", 4) = 4 [pid 6641] close(3) = 0 [pid 6641] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6641] write(1, "executing program\n", 18executing program ) = 18 [pid 6641] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6641] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, [pid 6638] <... munmap resumed>) = 0 [pid 6641] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5864] <... close resumed>) = 0 [pid 6638] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6641] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6638] <... openat resumed>) = 4 [pid 6641] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5864] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6641] <... mmap resumed>) = 0x7f46d9f21000 [pid 6638] ioctl(4, LOOP_SET_FD, 3 [pid 6641] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 6642 attached ) = 0 [pid 6641] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6642] set_robust_list(0x555566de86a0, 24 [pid 6641] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6641] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} [pid 5864] <... clone resumed>, child_tidptr=0x555566de8690) = 6642 ./strace-static-x86_64: Process 6643 attached [pid 6643] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053) = 0 [pid 6642] <... set_robust_list resumed>) = 0 [pid 6641] <... clone3 resumed> => {parent_tid=[6643]}, 88) = 6643 [pid 6643] set_robust_list(0x7f46d9f419a0, 24 [pid 6641] rt_sigprocmask(SIG_SETMASK, [], [pid 6643] <... set_robust_list resumed>) = 0 [pid 6641] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6643] rt_sigprocmask(SIG_SETMASK, [], [pid 6641] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6643] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6641] <... futex resumed>) = 0 [pid 6638] <... ioctl resumed>) = 0 [pid 6643] memfd_create("syzkaller", 0 [pid 6642] chdir("./57" [pid 6641] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6643] <... memfd_create resumed>) = 3 [pid 6638] close(3 [pid 6643] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6642] <... chdir resumed>) = 0 [pid 6638] <... close resumed>) = 0 [pid 6638] close(4) = 0 [pid 6638] mkdir("./bus", 0777) = 0 [pid 6638] mount("/dev/loop0", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6643] <... mmap resumed>) = 0x7f46d1a00000 [pid 6642] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6642] setpgid(0, 0) = 0 [pid 6642] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6642] write(3, "1000", 4) = 4 [pid 6642] close(3) = 0 [pid 6642] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6642] write(1, "executing program\n", 18) = 18 [pid 6642] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6642] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6642] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6642] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6642] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6642] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6642] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0}./strace-static-x86_64: Process 6644 attached [ 226.080473][ T6638] loop0: detected capacity change from 0 to 32768 => {parent_tid=[6644]}, 88) = 6644 [pid 5867] <... close resumed>) = 0 [pid 6642] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6642] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5866] <... close resumed>) = 0 [pid 6644] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053) = 0 [pid 6644] set_robust_list(0x7f46d9f419a0, 24) = 0 [pid 6644] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 6645 attached [pid 6644] memfd_create("syzkaller", 0 [pid 6642] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6645] set_robust_list(0x555566de86a0, 24 [pid 5867] <... clone resumed>, child_tidptr=0x555566de8690) = 6645 [pid 6645] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 6646 attached [pid 6645] chdir("./58" [pid 6646] set_robust_list(0x555566de86a0, 24 [pid 6645] <... chdir resumed>) = 0 [pid 6646] <... set_robust_list resumed>) = 0 [pid 6645] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6644] <... memfd_create resumed>) = 3 [pid 6646] chdir("./58" [pid 6645] setpgid(0, 0) = 0 [pid 6645] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6644] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 6646] <... chdir resumed>) = 0 [pid 6645] <... openat resumed>) = 3 [pid 6646] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6645] write(3, "1000", 4 [pid 6646] <... prctl resumed>) = 0 [pid 6645] <... write resumed>) = 4 [pid 6646] setpgid(0, 0 [pid 6645] close(3 [pid 6646] <... setpgid resumed>) = 0 [pid 6645] <... close resumed>) = 0 [pid 5866] <... clone resumed>, child_tidptr=0x555566de8690) = 6646 [pid 6646] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6645] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6646] <... openat resumed>) = 3 [pid 6645] write(1, "executing program\n", 18) = 18 [pid 6646] write(3, "1000", 4 [pid 6645] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6646] <... write resumed>) = 4 [pid 6645] <... futex resumed>) = 0 [pid 6646] close(3) = 0 [pid 6645] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, [pid 6646] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6645] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6645] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6638] <... mount resumed>) = 0 executing program [pid 6646] write(1, "executing program\n", 18 [pid 6645] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6645] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6646] <... write resumed>) = 18 [pid 6645] <... mmap resumed>) = 0x7f46d9f21000 [pid 6646] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6646] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6646] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [ 226.141969][ T6638] [ 226.141969][ T6638] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 226.141969][ T6638] [pid 6638] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6646] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6645] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE [pid 6638] <... openat resumed>) = 3 [pid 6646] <... mmap resumed>) = 0x7f46d9f21000 [pid 6638] chdir("./bus" [pid 6645] <... mprotect resumed>) = 0 [pid 6646] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE [pid 6638] <... chdir resumed>) = 0 [pid 6646] <... mprotect resumed>) = 0 [pid 6638] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6646] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6638] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6646] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6645] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6646] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} [pid 6638] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6637] <... futex resumed>) = 0 [pid 6638] chdir("./file0" [pid 6637] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6647 attached ) = 0 [pid 6646] <... clone3 resumed> => {parent_tid=[6647]}, 88) = 6647 [pid 6637] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6647] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6645] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6646] rt_sigprocmask(SIG_SETMASK, [], [pid 6645] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} [pid 6646] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6647] <... rseq resumed>) = 0 ./strace-static-x86_64: Process 6648 attached [pid 6647] set_robust_list(0x7f46d9f419a0, 24 [pid 6646] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6638] <... chdir resumed>) = 0 [pid 6646] <... futex resumed>) = 0 [pid 6638] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6647] <... set_robust_list resumed>) = 0 [pid 6647] rt_sigprocmask(SIG_SETMASK, [], [pid 6646] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6645] <... clone3 resumed> => {parent_tid=[6648]}, 88) = 6648 [pid 6647] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6645] rt_sigprocmask(SIG_SETMASK, [], [pid 6648] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6647] memfd_create("syzkaller", 0 [pid 6638] <... futex resumed>) = 1 [pid 6637] <... futex resumed>) = 0 [pid 6645] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6637] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6647] <... memfd_create resumed>) = 3 [pid 6637] <... futex resumed>) = 0 [pid 6647] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6645] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6637] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6647] <... mmap resumed>) = 0x7f46d1a00000 [pid 6645] <... futex resumed>) = 0 [pid 6648] <... rseq resumed>) = 0 [pid 6638] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6648] set_robust_list(0x7f46d9f419a0, 24) = 0 [pid 6648] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6648] memfd_create("syzkaller", 0) = 3 [pid 6648] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 6645] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6637] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6637] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 6637] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6637] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f00000 [pid 6637] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE [pid 6638] <... open resumed>) = -1 EIO (Input/output error) [pid 6637] <... mprotect resumed>) = 0 [pid 6638] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6637] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6638] <... futex resumed>) = 0 [pid 6638] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6637] <... rt_sigprocmask resumed>[], 8) = 0 [ 226.247519][ T6638] read_mapping_page failed! [ 226.252092][ T6638] ERROR: (device loop0): txCommit: [ 226.252092][ T6638] [pid 6637] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0}./strace-static-x86_64: Process 6649 attached => {parent_tid=[6649]}, 88) = 6649 [pid 6649] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053 [pid 6637] rt_sigprocmask(SIG_SETMASK, [], [pid 6649] <... rseq resumed>) = 0 [pid 6649] set_robust_list(0x7f46d9f209a0, 24 [pid 6637] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6649] <... set_robust_list resumed>) = 0 [pid 6637] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6649] rt_sigprocmask(SIG_SETMASK, [], [pid 6637] <... futex resumed>) = 0 [pid 6649] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6637] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6649] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x1)) = -1 EIO (Input/output error) [pid 6649] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6637] <... futex resumed>) = 0 [pid 6649] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6637] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6638] <... futex resumed>) = 0 [pid 6637] <... futex resumed>) = 1 [pid 6638] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6637] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 226.335591][ T6649] read_mapping_page failed! [ 226.340276][ T6649] ERROR: (device loop0): txCommit: [ 226.340276][ T6649] [ 226.373169][ T6638] read_mapping_page failed! [ 226.383026][ T6638] ERROR: (device loop0): txCommit: [ 226.383026][ T6638] [pid 6643] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6638] <... openat resumed>) = -1 EIO (Input/output error) [pid 6637] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6638] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6638] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6637] exit_group(0 [pid 6649] <... futex resumed>) = ? [pid 6638] <... futex resumed>) = ? [pid 6637] <... exit_group resumed>) = ? [pid 6649] +++ exited with 0 +++ [pid 6638] +++ exited with 0 +++ [pid 6637] +++ exited with 0 +++ [pid 5863] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6637, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=21 /* 0.21 s */} --- [pid 5863] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5863] umount2("./57", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] openat(AT_FDCWD, "./57", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5863] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5863] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5863] umount2("./57/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] newfstatat(AT_FDCWD, "./57/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5863] unlink("./57/binderfs") = 0 [pid 5863] umount2("./57/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6644] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6647] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6648] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5863] <... umount2 resumed>) = 0 [pid 5863] umount2("./57/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] newfstatat(AT_FDCWD, "./57/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5863] umount2("./57/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] openat(AT_FDCWD, "./57/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5863] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5863] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [ 226.506678][ T5863] [ 226.506678][ T5863] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 226.506678][ T5863] [ 226.539222][ T5863] [ 226.539222][ T5863] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 226.539222][ T5863] [pid 5863] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5863] close(4) = 0 [pid 5863] rmdir("./57/bus") = 0 [pid 5863] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5863] close(3) = 0 [pid 5863] rmdir("./57") = 0 [pid 5863] mkdir("./58", 0777) = 0 [pid 5863] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5863] ioctl(3, LOOP_CLR_FD) = 0 [pid 5863] close(3 [pid 6643] <... write resumed>) = 16777216 [pid 6643] munmap(0x7f46d1a00000, 138412032) = 0 [pid 6643] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 6643] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6643] close(3) = 0 [pid 6643] close(4) = 0 [pid 6643] mkdir("./bus", 0777) = 0 [ 226.837668][ T6643] loop2: detected capacity change from 0 to 32768 [pid 6643] mount("/dev/loop2", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6644] <... write resumed>) = 16777216 [pid 6643] <... mount resumed>) = 0 [pid 5863] <... close resumed>) = 0 [pid 6643] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6644] munmap(0x7f46d1a00000, 138412032 [pid 6643] <... openat resumed>) = 3 [pid 6643] chdir("./bus" [pid 5863] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6643] <... chdir resumed>) = 0 [pid 6643] openat(AT_FDCWD, "/dev/loop2", O_RDWR./strace-static-x86_64: Process 6650 attached ) = -1 EBUSY (Device or resource busy) [pid 6650] set_robust_list(0x555566de86a0, 24 [pid 6643] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] <... clone resumed>, child_tidptr=0x555566de8690) = 6650 [pid 6650] <... set_robust_list resumed>) = 0 [pid 6647] <... write resumed>) = 16777216 [pid 6643] <... futex resumed>) = 1 [pid 6641] <... futex resumed>) = 0 [pid 6650] chdir("./58" [pid 6647] munmap(0x7f46d1a00000, 138412032 [pid 6643] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6641] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6650] <... chdir resumed>) = 0 [pid 6643] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6641] <... futex resumed>) = 0 [pid 6643] chdir("./file0" [pid 6641] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6643] <... chdir resumed>) = 0 [pid 6650] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6643] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6650] <... prctl resumed>) = 0 [pid 6643] <... futex resumed>) = 1 [pid 6641] <... futex resumed>) = 0 [ 226.878084][ T6643] [ 226.878084][ T6643] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 226.878084][ T6643] [pid 6650] setpgid(0, 0 [pid 6643] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6641] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6650] <... setpgid resumed>) = 0 [pid 6641] <... futex resumed>) = 0 [pid 6641] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6650] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6644] <... munmap resumed>) = 0 [pid 6650] write(3, "1000", 4 [pid 6644] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6650] <... write resumed>) = 4 [pid 6644] <... openat resumed>) = 4 [pid 6650] close(3 [pid 6644] ioctl(4, LOOP_SET_FD, 3 [pid 6650] <... close resumed>) = 0 [pid 6650] symlink("/dev/binderfs", "./binderfs" [pid 6647] <... munmap resumed>) = 0 [pid 6650] <... symlink resumed>) = 0 executing program [pid 6650] write(1, "executing program\n", 18 [pid 6647] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6644] <... ioctl resumed>) = 0 [pid 6650] <... write resumed>) = 18 [pid 6650] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6647] <... openat resumed>) = 4 [pid 6644] close(3 [pid 6643] <... open resumed>) = -1 EIO (Input/output error) [pid 6650] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, [pid 6647] ioctl(4, LOOP_SET_FD, 3 [pid 6644] <... close resumed>) = 0 [pid 6643] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6650] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6650] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6644] close(4 [pid 6643] <... futex resumed>) = 1 [pid 6641] <... futex resumed>) = 0 [pid 6650] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6647] <... ioctl resumed>) = 0 [pid 6644] <... close resumed>) = 0 [pid 6643] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x5) [pid 6641] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6650] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6647] close(3 [pid 6644] mkdir("./bus", 0777 [pid 6650] <... mmap resumed>) = 0x7f46d9f21000 [pid 6647] <... close resumed>) = 0 [pid 6644] <... mkdir resumed>) = 0 [pid 6641] <... futex resumed>) = 0 [ 226.943160][ T6643] read_mapping_page failed! [ 226.951261][ T6644] loop1: detected capacity change from 0 to 32768 [ 226.960457][ T6643] ERROR: (device loop2): txCommit: [ 226.960457][ T6643] [ 226.971118][ T6647] loop3: detected capacity change from 0 to 32768 [pid 6650] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE [pid 6647] close(4 [pid 6644] mount("/dev/loop1", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6641] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6648] <... write resumed>) = 16777216 [pid 6650] <... mprotect resumed>) = 0 [pid 6647] <... close resumed>) = 0 [pid 6643] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6650] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6647] mkdir("./bus", 0777 [pid 6643] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6650] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0}./strace-static-x86_64: Process 6651 attached [pid 6648] munmap(0x7f46d1a00000, 138412032 [pid 6647] <... mkdir resumed>) = 0 [pid 6643] <... futex resumed>) = 1 [pid 6641] <... futex resumed>) = 0 [pid 6651] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6650] <... clone3 resumed> => {parent_tid=[6651]}, 88) = 6651 [pid 6647] mount("/dev/loop3", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6643] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6641] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6651] <... rseq resumed>) = 0 [pid 6650] rt_sigprocmask(SIG_SETMASK, [], [pid 6651] set_robust_list(0x7f46d9f419a0, 24 [pid 6650] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6643] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6641] <... futex resumed>) = 0 [pid 6651] <... set_robust_list resumed>) = 0 [pid 6650] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6643] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6641] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6651] rt_sigprocmask(SIG_SETMASK, [], [pid 6650] <... futex resumed>) = 0 [pid 6651] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6650] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6651] memfd_create("syzkaller", 0) = 3 [ 226.997019][ T6643] read_mapping_page failed! [ 227.001830][ T6643] ERROR: (device loop2): txCommit: [ 227.001830][ T6643] [ 227.034151][ T6643] read_mapping_page failed! [ 227.041455][ T6643] ERROR: (device loop2): txCommit: [pid 6651] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [ 227.041455][ T6643] [ 227.056282][ T6644] [ 227.056282][ T6644] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 227.056282][ T6644] [pid 6648] <... munmap resumed>) = 0 [pid 6641] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6648] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 6648] ioctl(4, LOOP_SET_FD, 3 [pid 6643] <... openat resumed>) = -1 EIO (Input/output error) [pid 6647] <... mount resumed>) = 0 [pid 6644] <... mount resumed>) = 0 [pid 6643] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6647] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6644] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6643] <... futex resumed>) = 0 [pid 6644] <... openat resumed>) = 3 [pid 6643] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6647] <... openat resumed>) = 3 [pid 6644] chdir("./bus" [pid 6648] <... ioctl resumed>) = 0 [pid 6647] chdir("./bus" [pid 6644] <... chdir resumed>) = 0 [pid 6648] close(3 [pid 6647] <... chdir resumed>) = 0 [pid 6644] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6648] <... close resumed>) = 0 [pid 6647] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6644] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6648] close(4 [pid 6647] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6644] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6648] <... close resumed>) = 0 [pid 6647] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6644] <... futex resumed>) = 1 [pid 6642] <... futex resumed>) = 0 [pid 6641] exit_group(0 [pid 6647] <... futex resumed>) = 1 [pid 6644] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6642] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6648] mkdir("./bus", 0777 [pid 6647] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6644] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6642] <... futex resumed>) = 0 [pid 6641] <... exit_group resumed>) = ? [pid 6648] <... mkdir resumed>) = 0 [pid 6646] <... futex resumed>) = 0 [pid 6644] chdir("./file0" [pid 6643] <... futex resumed>) = ? [pid 6642] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6646] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6648] mount("/dev/loop4", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6647] <... futex resumed>) = 0 [pid 6646] <... futex resumed>) = 1 [pid 6644] <... chdir resumed>) = 0 [pid 6643] +++ exited with 0 +++ [pid 6641] +++ exited with 0 +++ [ 227.094390][ T6647] [ 227.094390][ T6647] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 227.094390][ T6647] [ 227.104664][ T6648] loop4: detected capacity change from 0 to 32768 [pid 6644] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6647] chdir("./file0" [pid 6646] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6644] <... futex resumed>) = 1 [pid 6642] <... futex resumed>) = 0 [pid 6642] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6644] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6642] <... futex resumed>) = 0 [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6641, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=26 /* 0.26 s */} --- [pid 6647] <... chdir resumed>) = 0 [pid 6642] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5865] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5865] umount2("./58", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./58", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5865] umount2("./58/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./58/binderfs", [pid 6647] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6647] <... futex resumed>) = 1 [pid 6646] <... futex resumed>) = 0 [pid 5865] unlink("./58/binderfs") = 0 [pid 5865] umount2("./58/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6646] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6647] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6646] <... futex resumed>) = 0 [ 227.157546][ T6644] read_mapping_page failed! [ 227.162170][ T6644] ERROR: (device loop1): txCommit: [ 227.162170][ T6644] [ 227.174569][ T6648] [ 227.174569][ T6648] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 227.174569][ T6648] [ 227.193401][ T5865] [ 227.193401][ T5865] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 227.193401][ T5865] [pid 6646] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6644] <... open resumed>) = -1 EIO (Input/output error) [pid 6644] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6642] <... futex resumed>) = 0 [pid 6644] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x3) [pid 6642] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6648] <... mount resumed>) = 0 [pid 6642] <... futex resumed>) = 0 [pid 6648] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6648] chdir("./bus") = 0 [pid 6648] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6648] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 227.195183][ T6647] read_mapping_page failed! [ 227.216418][ T6647] ERROR: (device loop3): txCommit: [ 227.216418][ T6647] [ 227.229926][ T6644] read_mapping_page failed! [ 227.242259][ T5865] [ 227.242259][ T5865] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 227.242259][ T5865] [pid 6648] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6645] <... futex resumed>) = 0 [pid 6642] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6645] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6646] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6645] <... futex resumed>) = 1 [pid 6645] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6646] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6648] <... futex resumed>) = 0 [pid 6646] <... futex resumed>) = 0 [pid 6648] chdir("./file0" [pid 6646] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6648] <... chdir resumed>) = 0 [pid 6646] <... mmap resumed>) = 0x7f46d9f00000 [pid 6648] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6646] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE [pid 6648] <... futex resumed>) = 1 [pid 6648] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6645] <... futex resumed>) = 0 [pid 6646] <... mprotect resumed>) = 0 [pid 6645] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6648] <... futex resumed>) = 0 [pid 6645] <... futex resumed>) = 1 [pid 6648] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6646] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6645] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6647] <... open resumed>) = -1 EIO (Input/output error) [pid 6646] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6647] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6646] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0}./strace-static-x86_64: Process 6652 attached [pid 6647] <... futex resumed>) = 0 [pid 6647] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6646] <... clone3 resumed> => {parent_tid=[6652]}, 88) = 6652 [pid 6646] rt_sigprocmask(SIG_SETMASK, [], [pid 6652] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053 [pid 6646] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6646] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6652] <... rseq resumed>) = 0 [pid 6646] <... futex resumed>) = 0 [pid 6652] set_robust_list(0x7f46d9f209a0, 24 [ 227.255327][ T6644] ERROR: (device loop1): txCommit: [ 227.255327][ T6644] [ 227.275550][ T6648] read_mapping_page failed! [pid 6646] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6652] <... set_robust_list resumed>) = 0 [pid 6644] <... mknod resumed>) = -1 EIO (Input/output error) [pid 5865] <... umount2 resumed>) = 0 [pid 6652] rt_sigprocmask(SIG_SETMASK, [], [pid 6644] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6642] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6644] <... futex resumed>) = 0 [pid 6642] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6652] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6642] <... futex resumed>) = 0 [pid 6652] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x7) [pid 6642] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5865] umount2("./58/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./58/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] umount2("./58/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./58/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5865] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5865] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5865] close(4) = 0 [pid 5865] rmdir("./58/bus") = 0 [pid 6645] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5865] getdents64(3, [pid 6645] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6644] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 5865] <... getdents64 resumed>0x555566de9730 /* 0 entries */, 32768) = 0 [pid 6645] <... futex resumed>) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./58") = 0 [pid 5865] mkdir("./59", 0777 [pid 6648] <... open resumed>) = -1 EIO (Input/output error) [pid 5865] <... mkdir resumed>) = 0 [pid 6648] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6648] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6645] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f00000 [pid 5865] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5865] ioctl(3, LOOP_CLR_FD) = 0 [ 227.304630][ T6648] ERROR: (device loop4): txCommit: [ 227.304630][ T6648] [ 227.314444][ T6652] read_mapping_page failed! [ 227.319002][ T6652] ERROR: (device loop3): txCommit: [ 227.319002][ T6652] [pid 5865] close(3 [pid 6646] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6645] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6646] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6645] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6647] <... futex resumed>) = 0 [pid 6646] <... futex resumed>) = 1 [pid 6645] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0} [pid 6642] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6647] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6646] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6653 attached [pid 6653] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053) = 0 [pid 6645] <... clone3 resumed> => {parent_tid=[6653]}, 88) = 6653 [pid 6653] set_robust_list(0x7f46d9f209a0, 24 [pid 6645] rt_sigprocmask(SIG_SETMASK, [], [pid 6653] <... set_robust_list resumed>) = 0 [pid 6645] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6653] rt_sigprocmask(SIG_SETMASK, [], [pid 6645] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6653] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6645] <... futex resumed>) = 0 [ 227.347313][ T6644] read_mapping_page failed! [ 227.352505][ T6644] ERROR: (device loop1): txCommit: [ 227.352505][ T6644] [pid 6653] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x9) [pid 6645] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6652] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6644] <... openat resumed>) = -1 EIO (Input/output error) [pid 6652] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6644] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6642] exit_group(0 [pid 6652] <... futex resumed>) = 0 [pid 6644] <... futex resumed>) = 0 [pid 6652] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6642] <... exit_group resumed>) = ? [pid 6644] +++ exited with 0 +++ [pid 6642] +++ exited with 0 +++ [pid 5864] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6642, si_uid=0, si_status=0, si_utime=9 /* 0.09 s */, si_stime=28 /* 0.28 s */} --- [pid 5864] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5864] umount2("./57", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] openat(AT_FDCWD, "./57", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [ 227.388413][ T6653] read_mapping_page failed! [ 227.404345][ T6647] read_mapping_page failed! [ 227.408907][ T6647] ERROR: (device loop3): txCommit: [ 227.408907][ T6647] [ 227.433214][ T6653] ERROR: (device loop4): txCommit: [pid 6646] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5864] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5864] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5864] umount2("./57/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6645] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5864] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5864] newfstatat(AT_FDCWD, "./57/binderfs", [pid 6645] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5864] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6645] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5864] unlink("./57/binderfs" [pid 6648] <... futex resumed>) = 0 [pid 5864] <... unlink resumed>) = 0 [pid 6648] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 5864] umount2("./57/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6647] <... openat resumed>) = -1 EIO (Input/output error) [pid 6647] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6646] exit_group(0 [pid 6652] <... futex resumed>) = ? [pid 6646] <... exit_group resumed>) = ? [pid 6652] +++ exited with 0 +++ [ 227.433214][ T6653] [pid 6647] <... futex resumed>) = ? [pid 6653] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6653] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6647] +++ exited with 0 +++ [pid 6646] +++ exited with 0 +++ [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6646, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=33 /* 0.33 s */} --- [pid 6653] <... futex resumed>) = 0 [pid 5866] umount2("./58", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6653] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5866] openat(AT_FDCWD, "./58", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5866] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5866] umount2("./58/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./58/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] unlink("./58/binderfs") = 0 [pid 5866] umount2("./58/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6645] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 227.465242][ T6648] read_mapping_page failed! [ 227.469817][ T6648] ERROR: (device loop4): txCommit: [ 227.469817][ T6648] [ 227.492452][ T5864] [ 227.492452][ T5864] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 227.492452][ T5864] [ 227.504599][ T5866] [ 227.504599][ T5866] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 227.504599][ T5866] [pid 6648] <... openat resumed>) = -1 EIO (Input/output error) [pid 6648] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6648] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6651] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6645] exit_group(0 [pid 6653] <... futex resumed>) = ? [pid 6648] <... futex resumed>) = ? [pid 6645] <... exit_group resumed>) = ? [pid 6648] +++ exited with 0 +++ [pid 6653] +++ exited with 0 +++ [pid 6645] +++ exited with 0 +++ [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6645, si_uid=0, si_status=0, si_utime=9 /* 0.09 s */, si_stime=27 /* 0.27 s */} --- [pid 5867] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5867] umount2("./58", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./58", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5867] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5867] umount2("./58/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5864] <... umount2 resumed>) = 0 [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5864] umount2("./57/bus", MNT_FORCE|UMOUNT_NOFOLLOW [ 227.523400][ T5864] [ 227.523400][ T5864] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 227.523400][ T5864] [ 227.524066][ T5866] [ 227.524066][ T5866] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 227.524066][ T5866] [pid 5867] newfstatat(AT_FDCWD, "./58/binderfs", [pid 5864] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5867] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5864] newfstatat(AT_FDCWD, "./57/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] unlink("./58/binderfs") = 0 [pid 5864] umount2("./57/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5867] umount2("./58/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5864] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5864] openat(AT_FDCWD, "./57/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5864] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5864] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5864] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5864] close(4) = 0 [pid 5864] rmdir("./57/bus") = 0 [pid 5864] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5864] close(3) = 0 [pid 5864] rmdir("./57") = 0 [pid 5864] mkdir("./58", 0777 [pid 5866] <... umount2 resumed>) = 0 [pid 5864] <... mkdir resumed>) = 0 [pid 5866] umount2("./58/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./58/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] umount2("./58/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] openat(AT_FDCWD, "./58/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5866] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5866] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5864] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5864] ioctl(3, LOOP_CLR_FD [pid 5866] close(4) = 0 [pid 5864] <... ioctl resumed>) = 0 [pid 5866] rmdir("./58/bus" [pid 5864] close(3 [pid 5866] <... rmdir resumed>) = 0 [pid 5866] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5866] close(3) = 0 [pid 5866] rmdir("./58") = 0 [pid 5866] mkdir("./59", 0777) = 0 [pid 5866] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5866] ioctl(3, LOOP_CLR_FD) = 0 [pid 5866] close(3 [pid 5865] <... close resumed>) = 0 [ 227.574015][ T5867] [ 227.574015][ T5867] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 227.574015][ T5867] [ 227.593847][ T5867] [ 227.593847][ T5867] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 227.593847][ T5867] [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5867] <... umount2 resumed>) = 0 ./strace-static-x86_64: Process 6654 attached [pid 5867] umount2("./58/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./58/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] umount2("./58/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5865] <... clone resumed>, child_tidptr=0x555566de8690) = 6654 [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./58/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5867] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5867] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5867] close(4) = 0 [pid 5867] rmdir("./58/bus") = 0 [pid 5867] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5867] close(3) = 0 [pid 6654] set_robust_list(0x555566de86a0, 24 [pid 5867] rmdir("./58") = 0 [pid 5867] mkdir("./59", 0777 [pid 6654] <... set_robust_list resumed>) = 0 [pid 5867] <... mkdir resumed>) = 0 [pid 5867] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5867] ioctl(3, LOOP_CLR_FD) = 0 [pid 5867] close(3 [pid 6654] chdir("./59") = 0 [pid 6654] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6654] setpgid(0, 0) = 0 [pid 6654] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6654] write(3, "1000", 4) = 4 [pid 6654] close(3) = 0 [pid 6654] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6654] write(1, "executing program\n", 18executing program ) = 18 [pid 6654] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6654] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6654] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6654] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6654] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6654] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6654] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} => {parent_tid=[6655]}, 88) = 6655 [pid 6654] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6654] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6654] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 6655 attached [pid 6655] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053) = 0 [pid 6655] set_robust_list(0x7f46d9f419a0, 24) = 0 [pid 6655] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6655] memfd_create("syzkaller", 0) = 3 [pid 6655] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 5864] <... close resumed>) = 0 [pid 5864] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6656 attached [pid 6656] set_robust_list(0x555566de86a0, 24 [pid 5864] <... clone resumed>, child_tidptr=0x555566de8690) = 6656 [pid 6656] <... set_robust_list resumed>) = 0 [pid 6656] chdir("./58") = 0 [pid 6656] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6656] setpgid(0, 0) = 0 [pid 6656] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6656] write(3, "1000", 4) = 4 [pid 6656] close(3) = 0 [pid 6656] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6656] write(1, "executing program\n", 18) = 18 [pid 6656] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6656] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6656] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6656] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6656] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6656] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6656] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} => {parent_tid=[6657]}, 88) = 6657 [pid 6656] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6656] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6656] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 6657 attached [pid 6657] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 5866] <... close resumed>) = 0 [pid 6657] <... rseq resumed>) = 0 [pid 6657] set_robust_list(0x7f46d9f419a0, 24) = 0 [pid 6657] rt_sigprocmask(SIG_SETMASK, [], [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6657] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6657] memfd_create("syzkaller", 0) = 3 [pid 6657] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 5866] <... clone resumed>, child_tidptr=0x555566de8690) = 6658 ./strace-static-x86_64: Process 6658 attached [pid 6658] set_robust_list(0x555566de86a0, 24) = 0 [pid 6658] chdir("./59") = 0 [pid 6658] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6658] setpgid(0, 0) = 0 [pid 6658] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6658] write(3, "1000", 4) = 4 [pid 6658] close(3 [pid 6651] <... write resumed>) = 16777216 [pid 6658] <... close resumed>) = 0 [pid 6658] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6658] write(1, "executing program\n", 18executing program ) = 18 [pid 6658] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6658] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6658] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6658] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6658] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6658] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6658] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0}./strace-static-x86_64: Process 6659 attached => {parent_tid=[6659]}, 88) = 6659 [pid 6659] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6651] munmap(0x7f46d1a00000, 138412032 [pid 6658] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6658] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6659] <... rseq resumed>) = 0 [pid 6658] <... futex resumed>) = 0 [pid 6659] set_robust_list(0x7f46d9f419a0, 24 [pid 6658] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6659] <... set_robust_list resumed>) = 0 [pid 6659] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6659] memfd_create("syzkaller", 0) = 3 [pid 5867] <... close resumed>) = 0 [pid 6659] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6659] <... mmap resumed>) = 0x7f46d1a00000 [pid 6651] <... munmap resumed>) = 0 ./strace-static-x86_64: Process 6660 attached [pid 6651] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6660] set_robust_list(0x555566de86a0, 24 [pid 6651] <... openat resumed>) = 4 [pid 5867] <... clone resumed>, child_tidptr=0x555566de8690) = 6660 [pid 6660] <... set_robust_list resumed>) = 0 [pid 6651] ioctl(4, LOOP_SET_FD, 3 [pid 6655] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6660] chdir("./59" [pid 6651] <... ioctl resumed>) = 0 [pid 6660] <... chdir resumed>) = 0 [pid 6660] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6660] setpgid(0, 0) = 0 [pid 6660] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6660] write(3, "1000", 4) = 4 [pid 6660] close(3) = 0 [pid 6660] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6660] write(1, "executing program\n", 18 [pid 6651] close(3 [pid 6660] <... write resumed>) = 18 [pid 6651] <... close resumed>) = 0 [pid 6660] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6651] close(4 [pid 6660] <... futex resumed>) = 0 [pid 6651] <... close resumed>) = 0 [pid 6660] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, [pid 6651] mkdir("./bus", 0777 [pid 6660] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6660] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6651] <... mkdir resumed>) = 0 [pid 6660] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6651] mount("/dev/loop0", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6660] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6660] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6660] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [ 228.045024][ T6651] loop0: detected capacity change from 0 to 32768 [pid 6660] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0}./strace-static-x86_64: Process 6661 attached => {parent_tid=[6661]}, 88) = 6661 [pid 6660] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6660] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6661] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6660] <... futex resumed>) = 0 [pid 6661] <... rseq resumed>) = 0 [pid 6660] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6661] set_robust_list(0x7f46d9f419a0, 24) = 0 [pid 6661] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6661] memfd_create("syzkaller", 0) = 3 [pid 6661] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 6651] <... mount resumed>) = 0 [pid 6651] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [ 228.112669][ T6651] [ 228.112669][ T6651] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 228.112669][ T6651] [pid 6651] chdir("./bus") = 0 [pid 6651] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6651] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6650] <... futex resumed>) = 0 [pid 6650] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6650] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6651] chdir("./file0") = 0 [pid 6651] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6650] <... futex resumed>) = 0 [pid 6651] <... futex resumed>) = 1 [pid 6651] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6650] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6651] <... futex resumed>) = 0 [pid 6650] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6651] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010) = -1 EIO (Input/output error) [pid 6651] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6657] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6651] <... futex resumed>) = 0 [pid 6650] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6650] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 228.225025][ T6651] read_mapping_page failed! [ 228.229589][ T6651] ERROR: (device loop0): txCommit: [ 228.229589][ T6651] [pid 6650] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6651] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x1)) = -1 EIO (Input/output error) [pid 6651] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6650] <... futex resumed>) = 0 [pid 6650] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6650] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 228.293910][ T6651] read_mapping_page failed! [ 228.298470][ T6651] ERROR: (device loop0): txCommit: [ 228.298470][ T6651] [ 228.333090][ T6651] read_mapping_page failed! [ 228.337661][ T6651] ERROR: (device loop0): txCommit: [pid 6651] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777) = -1 EIO (Input/output error) [pid 6651] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6651] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6650] <... futex resumed>) = 0 [pid 6650] exit_group(0) = ? [pid 6659] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6651] <... futex resumed>) = ? [pid 6651] +++ exited with 0 +++ [pid 6650] +++ exited with 0 +++ [pid 5863] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6650, si_uid=0, si_status=0, si_utime=9 /* 0.09 s */, si_stime=26 /* 0.26 s */} --- [ 228.337661][ T6651] [pid 5863] umount2("./58", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] openat(AT_FDCWD, "./58", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5863] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5863] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5863] umount2("./58/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] newfstatat(AT_FDCWD, "./58/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5863] unlink("./58/binderfs") = 0 [pid 5863] umount2("./58/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6655] <... write resumed>) = 16777216 [pid 6655] munmap(0x7f46d1a00000, 138412032) = 0 [ 228.413713][ T5863] [ 228.413713][ T5863] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 228.413713][ T5863] [ 228.453144][ T5863] [ 228.453144][ T5863] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 228.453144][ T5863] [pid 6661] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6655] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 6655] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5863] <... umount2 resumed>) = 0 [pid 6655] close(3 [pid 5863] umount2("./58/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6655] <... close resumed>) = 0 [pid 6655] close(4 [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6655] <... close resumed>) = 0 [pid 5863] newfstatat(AT_FDCWD, "./58/bus", [pid 6655] mkdir("./bus", 0777 [pid 5863] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6655] <... mkdir resumed>) = 0 [pid 5863] umount2("./58/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 228.494756][ T6655] loop2: detected capacity change from 0 to 32768 [pid 6655] mount("/dev/loop2", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 5863] openat(AT_FDCWD, "./58/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5863] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5863] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5863] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5863] close(4) = 0 [pid 5863] rmdir("./58/bus" [pid 6657] <... write resumed>) = 16777216 [pid 5863] <... rmdir resumed>) = 0 [pid 5863] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5863] close(3 [pid 6657] munmap(0x7f46d1a00000, 138412032 [pid 5863] <... close resumed>) = 0 [pid 5863] rmdir("./58") = 0 [pid 5863] mkdir("./59", 0777) = 0 [pid 5863] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 6655] <... mount resumed>) = 0 [pid 5863] ioctl(3, LOOP_CLR_FD) = 0 [pid 6655] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5863] close(3 [pid 6657] <... munmap resumed>) = 0 [pid 6655] <... openat resumed>) = 3 [pid 6657] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6655] chdir("./bus" [pid 6657] <... openat resumed>) = 4 [ 228.584285][ T6655] [ 228.584285][ T6655] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 228.584285][ T6655] [pid 6657] ioctl(4, LOOP_SET_FD, 3 [pid 6655] <... chdir resumed>) = 0 [pid 6657] <... ioctl resumed>) = 0 [pid 6657] close(3) = 0 [pid 6657] close(4) = 0 [pid 6657] mkdir("./bus", 0777) = 0 [pid 6657] mount("/dev/loop1", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6655] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6655] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6654] <... futex resumed>) = 0 [pid 6655] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 6654] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6655] chdir("./file0" [pid 6654] <... futex resumed>) = 0 [pid 6654] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6655] <... chdir resumed>) = 0 [pid 6655] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6657] <... mount resumed>) = 0 [pid 6657] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6657] chdir("./bus") = 0 [pid 6657] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6657] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6655] <... futex resumed>) = 1 [pid 6654] <... futex resumed>) = 0 [pid 6657] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6655] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6654] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 228.628509][ T6657] loop1: detected capacity change from 0 to 32768 [ 228.656045][ T6657] [ 228.656045][ T6657] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 228.656045][ T6657] [pid 6654] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6656] <... futex resumed>) = 0 [pid 6656] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6657] <... futex resumed>) = 0 [pid 6656] <... futex resumed>) = 1 [pid 6657] chdir("./file0" [pid 6656] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6657] <... chdir resumed>) = 0 [pid 6657] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6656] <... futex resumed>) = 0 [pid 6657] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6656] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6657] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6656] <... futex resumed>) = 0 [pid 6657] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6656] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6655] <... open resumed>) = -1 EIO (Input/output error) [pid 6654] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6655] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6654] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6655] <... futex resumed>) = 0 [pid 6654] <... futex resumed>) = 0 [pid 6655] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x5) [ 228.701416][ T6655] read_mapping_page failed! [ 228.710088][ T6655] ERROR: (device loop2): txCommit: [ 228.710088][ T6655] [ 228.734980][ T6657] read_mapping_page failed! [ 228.740950][ T6657] ERROR: (device loop1): txCommit: [ 228.740950][ T6657] [pid 6654] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6657] <... open resumed>) = -1 EIO (Input/output error) [pid 6657] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6657] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6656] <... futex resumed>) = 0 [pid 6656] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6656] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6659] <... write resumed>) = 16777216 [pid 6657] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6655] <... mknod resumed>) = -1 EIO (Input/output error) [ 228.765693][ T6655] read_mapping_page failed! [ 228.770253][ T6655] ERROR: (device loop2): txCommit: [ 228.770253][ T6655] [pid 6657] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x3) [pid 6655] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6654] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6655] <... futex resumed>) = 0 [pid 6654] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6655] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6654] <... futex resumed>) = 0 [pid 6654] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6659] munmap(0x7f46d1a00000, 138412032 [pid 6657] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6657] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6656] <... futex resumed>) = 0 [pid 6657] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6656] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6656] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6657] <... futex resumed>) = 0 [ 228.809708][ T6657] read_mapping_page failed! [ 228.817075][ T6655] read_mapping_page failed! [ 228.821630][ T6655] ERROR: (device loop2): txCommit: [ 228.821630][ T6655] [ 228.829814][ T6657] ERROR: (device loop1): txCommit: [ 228.829814][ T6657] [ 228.854092][ T6657] read_mapping_page failed! [pid 6657] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6659] <... munmap resumed>) = 0 [pid 6655] <... openat resumed>) = -1 EIO (Input/output error) [pid 6654] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6659] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6655] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6659] <... openat resumed>) = 4 [pid 6655] <... futex resumed>) = 0 [pid 6659] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6655] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6654] exit_group(0 [pid 6655] <... futex resumed>) = ? [pid 6654] <... exit_group resumed>) = ? [pid 6657] <... openat resumed>) = -1 EIO (Input/output error) [pid 6657] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6657] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6659] close(3) = 0 [pid 6659] close(4) = 0 [pid 6659] mkdir("./bus", 0777) = 0 [pid 6661] <... write resumed>) = 16777216 [pid 6659] mount("/dev/loop3", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6656] <... futex resumed>) = 0 [pid 6655] +++ exited with 0 +++ [pid 6654] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6654, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=29 /* 0.29 s */} --- [pid 6656] exit_group(0 [pid 6657] <... futex resumed>) = ? [pid 6656] <... exit_group resumed>) = ? [pid 6657] +++ exited with 0 +++ [pid 5865] umount2("./59", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./59", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5865] umount2("./59/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./59/binderfs", [pid 6656] +++ exited with 0 +++ [pid 5865] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./59/binderfs") = 0 [pid 5865] umount2("./59/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5864] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6656, si_uid=0, si_status=0, si_utime=15 /* 0.15 s */, si_stime=27 /* 0.27 s */} --- [pid 5864] restart_syscall(<... resuming interrupted clone ...> [pid 6661] munmap(0x7f46d1a00000, 138412032 [pid 5864] <... restart_syscall resumed>) = 0 [pid 5864] umount2("./58", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] openat(AT_FDCWD, "./58", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5864] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5864] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5864] umount2("./58/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] newfstatat(AT_FDCWD, "./58/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5864] unlink("./58/binderfs") = 0 [ 228.858660][ T6657] ERROR: (device loop1): txCommit: [ 228.858660][ T6657] [ 228.884527][ T6659] loop3: detected capacity change from 0 to 32768 [pid 5864] umount2("./58/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6661] <... munmap resumed>) = 0 [pid 5863] <... close resumed>) = 0 [pid 6661] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5863] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6662 attached , child_tidptr=0x555566de8690) = 6662 [ 228.939598][ T5865] [ 228.939598][ T5865] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 228.939598][ T5865] [ 228.951970][ T5864] [ 228.951970][ T5864] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 228.951970][ T5864] [ 228.971232][ T6659] [ 228.971232][ T6659] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 228.971232][ T6659] [ 228.986385][ T5865] [pid 6662] set_robust_list(0x555566de86a0, 24 [pid 6661] <... openat resumed>) = 4 [pid 6662] <... set_robust_list resumed>) = 0 [pid 6661] ioctl(4, LOOP_SET_FD, 3 [pid 6662] chdir("./59") = 0 [pid 6661] <... ioctl resumed>) = 0 [pid 6662] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6661] close(3 [pid 6662] setpgid(0, 0 [pid 6659] <... mount resumed>) = 0 [pid 5865] <... umount2 resumed>) = 0 [pid 6662] <... setpgid resumed>) = 0 [pid 6661] <... close resumed>) = 0 [pid 6659] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6659] chdir("./bus" [pid 6662] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6661] close(4 [pid 6659] <... chdir resumed>) = 0 [pid 6662] <... openat resumed>) = 3 [pid 6661] <... close resumed>) = 0 [pid 6659] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5864] <... umount2 resumed>) = 0 [pid 6662] write(3, "1000", 4 [pid 6661] mkdir("./bus", 0777 [pid 6659] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5864] umount2("./58/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6659] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6659] <... futex resumed>) = 1 [pid 5864] newfstatat(AT_FDCWD, "./58/bus", [pid 6662] <... write resumed>) = 4 [pid 6661] <... mkdir resumed>) = 0 [pid 6659] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6658] <... futex resumed>) = 0 [pid 5864] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6662] close(3 [pid 6661] mount("/dev/loop4", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6658] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] umount2("./58/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] openat(AT_FDCWD, "./58/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 6662] <... close resumed>) = 0 [pid 6659] <... futex resumed>) = 0 [pid 6658] <... futex resumed>) = 1 [pid 5864] newfstatat(4, "", [pid 6662] symlink("/dev/binderfs", "./binderfs" [pid 6659] chdir("./file0" [pid 6658] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5864] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6662] <... symlink resumed>) = 0 [pid 5864] getdents64(4, [pid 6662] write(1, "executing program\n", 18 [pid 6659] <... chdir resumed>) = 0 [pid 5864] <... getdents64 resumed>0x555566df1770 /* 2 entries */, 32768) = 48 [pid 6659] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] getdents64(4, [pid 6659] <... futex resumed>) = 1 [pid 6658] <... futex resumed>) = 0 [pid 5865] umount2("./59/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5864] <... getdents64 resumed>0x555566df1770 /* 0 entries */, 32768) = 0 [pid 6659] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6658] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5864] close(4 [pid 6659] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6658] <... futex resumed>) = 0 [ 228.986385][ T5865] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 228.986385][ T5865] [ 228.998763][ T6661] loop4: detected capacity change from 0 to 32768 [ 229.005996][ T5864] [ 229.005996][ T5864] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 229.005996][ T5864] [pid 5865] newfstatat(AT_FDCWD, "./59/bus", [pid 5864] <... close resumed>) = 0 [pid 6659] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010executing program [pid 6658] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5865] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5864] rmdir("./58/bus" [pid 6662] <... write resumed>) = 18 [pid 6662] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] <... rmdir resumed>) = 0 [pid 6662] <... futex resumed>) = 0 [pid 6662] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, [pid 5864] getdents64(3, [pid 6662] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6662] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5864] <... getdents64 resumed>0x555566de9730 /* 0 entries */, 32768) = 0 [pid 6662] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5864] close(3) = 0 [pid 5864] rmdir("./58" [pid 6662] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5864] <... rmdir resumed>) = 0 [pid 5864] mkdir("./59", 0777 [pid 6662] <... mmap resumed>) = 0x7f46d9f21000 [pid 6661] <... mount resumed>) = 0 [pid 5864] <... mkdir resumed>) = 0 [pid 6662] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE [pid 6661] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5864] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6662] <... mprotect resumed>) = 0 [pid 6661] <... openat resumed>) = 3 [pid 5864] <... openat resumed>) = 3 [pid 6661] chdir("./bus" [pid 5865] umount2("./59/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5864] ioctl(3, LOOP_CLR_FD [pid 6662] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6661] <... chdir resumed>) = 0 [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5864] <... ioctl resumed>) = 0 [pid 6661] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5865] openat(AT_FDCWD, "./59/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5864] close(3 [pid 6662] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6661] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5865] <... openat resumed>) = 4 [pid 5864] <... close resumed>) = 0 [pid 6662] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} [pid 6661] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6660] <... futex resumed>) = 0 [pid 5864] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6663 attached [pid 6661] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6662] <... clone3 resumed> => {parent_tid=[6663]}, 88) = 6663 [pid 6663] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6662] rt_sigprocmask(SIG_SETMASK, [], [pid 6663] <... rseq resumed>) = 0 [pid 6662] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6663] set_robust_list(0x7f46d9f419a0, 24 [pid 6662] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6663] <... set_robust_list resumed>) = 0 [pid 6662] <... futex resumed>) = 0 [pid 6663] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6664 attached [pid 6662] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6660] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] newfstatat(4, "", [pid 6664] set_robust_list(0x555566de86a0, 24 [pid 6661] <... futex resumed>) = 0 [pid 6660] <... futex resumed>) = 1 [pid 5865] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5864] <... clone resumed>, child_tidptr=0x555566de8690) = 6664 [pid 6664] <... set_robust_list resumed>) = 0 [pid 6661] chdir("./file0" [pid 6660] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5865] getdents64(4, [pid 6664] chdir("./59" [pid 6661] <... chdir resumed>) = 0 [pid 6663] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5865] <... getdents64 resumed>0x555566df1770 /* 2 entries */, 32768) = 48 [pid 6664] <... chdir resumed>) = 0 [pid 6664] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5865] getdents64(4, [pid 6664] <... prctl resumed>) = 0 [pid 6663] memfd_create("syzkaller", 0 [pid 6661] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] <... getdents64 resumed>0x555566df1770 /* 0 entries */, 32768) = 0 [pid 6664] setpgid(0, 0 [pid 6663] <... memfd_create resumed>) = 3 [pid 6661] <... futex resumed>) = 1 [pid 6660] <... futex resumed>) = 0 [pid 5865] close(4 [pid 6664] <... setpgid resumed>) = 0 [pid 6663] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6661] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6660] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] <... close resumed>) = 0 [pid 6664] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6663] <... mmap resumed>) = 0x7f46d1a00000 [pid 6661] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6660] <... futex resumed>) = 0 [pid 5865] rmdir("./59/bus" [pid 6664] <... openat resumed>) = 3 [pid 6661] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6660] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5865] <... rmdir resumed>) = 0 [ 229.050981][ T6659] read_mapping_page failed! [ 229.053685][ T6661] [ 229.053685][ T6661] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 229.053685][ T6661] [ 229.055576][ T6659] ERROR: (device loop3): txCommit: [ 229.055576][ T6659] executing program [pid 6664] write(3, "1000", 4 [pid 5865] getdents64(3, [pid 6664] <... write resumed>) = 4 [pid 5865] <... getdents64 resumed>0x555566de9730 /* 0 entries */, 32768) = 0 [pid 6664] close(3 [pid 5865] close(3 [pid 6664] <... close resumed>) = 0 [pid 5865] <... close resumed>) = 0 [pid 6664] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5865] rmdir("./59" [pid 6664] write(1, "executing program\n", 18) = 18 [pid 5865] <... rmdir resumed>) = 0 [pid 6664] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] mkdir("./60", 0777 [pid 6664] <... futex resumed>) = 0 [pid 5865] <... mkdir resumed>) = 0 [pid 6664] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, [pid 5865] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6664] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5865] <... openat resumed>) = 3 [pid 6664] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5865] ioctl(3, LOOP_CLR_FD [pid 6664] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5865] <... ioctl resumed>) = 0 [pid 6664] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5865] close(3 [pid 6664] <... mmap resumed>) = 0x7f46d9f21000 [pid 6664] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6664] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6664] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} => {parent_tid=[6665]}, 88) = 6665 [pid 6664] rt_sigprocmask(SIG_SETMASK, [], [pid 6658] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6664] <... rt_sigprocmask resumed>NULL, 8) = 0 [ 229.111179][ T6661] read_mapping_page failed! ./strace-static-x86_64: Process 6665 attached [pid 6664] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6658] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6664] <... futex resumed>) = 0 [pid 6658] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6664] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6658] <... mmap resumed>) = 0x7f46d9f00000 [pid 6665] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053) = 0 [pid 6658] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE [pid 6659] <... open resumed>) = -1 EIO (Input/output error) [pid 6659] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6660] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6659] <... futex resumed>) = 0 [pid 6660] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6659] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6660] <... futex resumed>) = 0 [pid 6660] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f00000 [pid 6660] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6660] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6660] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0}./strace-static-x86_64: Process 6666 attached => {parent_tid=[6666]}, 88) = 6666 [pid 6660] rt_sigprocmask(SIG_SETMASK, [], [pid 6658] <... mprotect resumed>) = 0 [pid 6660] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6660] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6660] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6665] set_robust_list(0x7f46d9f419a0, 24 [pid 6658] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6666] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053) = 0 [pid 6666] set_robust_list(0x7f46d9f209a0, 24) = 0 [pid 6666] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6666] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x9) [pid 6658] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6658] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0} [pid 6665] <... set_robust_list resumed>) = 0 [pid 6665] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6667 attached [pid 6658] <... clone3 resumed> => {parent_tid=[6667]}, 88) = 6667 [pid 6665] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6658] rt_sigprocmask(SIG_SETMASK, [], [pid 6665] memfd_create("syzkaller", 0 [pid 6658] <... rt_sigprocmask resumed>NULL, 8) = 0 [ 229.142681][ T6661] ERROR: (device loop4): txCommit: [ 229.142681][ T6661] [pid 6667] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053) = 0 [pid 6665] <... memfd_create resumed>) = 3 [pid 6661] <... open resumed>) = -1 EIO (Input/output error) [pid 6658] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6667] set_robust_list(0x7f46d9f209a0, 24 [pid 6665] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6658] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6665] <... mmap resumed>) = 0x7f46d1a00000 [ 229.183532][ T6666] read_mapping_page failed! [pid 6667] <... set_robust_list resumed>) = 0 [pid 6661] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6660] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6667] rt_sigprocmask(SIG_SETMASK, [], [pid 6661] <... futex resumed>) = 0 [pid 6660] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6667] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6661] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6660] <... futex resumed>) = 0 [pid 6667] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x7) [pid 6660] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6666] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6658] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6666] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6666] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6658] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6659] <... futex resumed>) = 0 [pid 6658] <... futex resumed>) = 1 [pid 6659] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6660] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 229.211860][ T6666] ERROR: (device loop4): txCommit: [ 229.211860][ T6666] [ 229.225761][ T6667] read_mapping_page failed! [ 229.230328][ T6667] ERROR: (device loop3): txCommit: [ 229.230328][ T6667] [ 229.247311][ T6661] read_mapping_page failed! [ 229.252807][ T6661] ERROR: (device loop4): txCommit: [ 229.252807][ T6661] [pid 6658] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6667] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6667] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6661] <... openat resumed>) = -1 EIO (Input/output error) [pid 6667] <... futex resumed>) = 0 [pid 6661] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6660] exit_group(0 [pid 6666] <... futex resumed>) = ? [pid 6661] <... futex resumed>) = ? [pid 6660] <... exit_group resumed>) = ? [pid 6666] +++ exited with 0 +++ [pid 6661] +++ exited with 0 +++ [pid 6660] +++ exited with 0 +++ [pid 6667] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6660, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=25 /* 0.25 s */} --- [pid 5867] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5867] umount2("./59", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./59", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5867] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6658] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5867] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5867] umount2("./59/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./59/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] unlink("./59/binderfs") = 0 [pid 5867] umount2("./59/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6659] <... openat resumed>) = -1 EIO (Input/output error) [pid 6659] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 229.294165][ T6659] read_mapping_page failed! [ 229.299357][ T6659] ERROR: (device loop3): txCommit: [ 229.299357][ T6659] [pid 6658] exit_group(0 [pid 6667] <... futex resumed>) = ? [pid 6658] <... exit_group resumed>) = ? [pid 6667] +++ exited with 0 +++ [pid 6659] +++ exited with 0 +++ [pid 6658] +++ exited with 0 +++ [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6658, si_uid=0, si_status=0, si_utime=9 /* 0.09 s */, si_stime=27 /* 0.27 s */} --- [pid 5866] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5866] umount2("./59", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] openat(AT_FDCWD, "./59", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5866] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5866] umount2("./59/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./59/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] unlink("./59/binderfs") = 0 [ 229.374287][ T5867] [ 229.374287][ T5867] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 229.374287][ T5867] [ 229.393316][ T5867] [ 229.393316][ T5867] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 229.393316][ T5867] [ 229.413480][ T5866] [ 229.413480][ T5866] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 229.413480][ T5866] [pid 5866] umount2("./59/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5867] <... umount2 resumed>) = 0 [pid 5867] umount2("./59/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./59/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] umount2("./59/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./59/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5867] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5866] <... umount2 resumed>) = 0 [pid 5867] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5867] close(4) = 0 [pid 5867] rmdir("./59/bus") = 0 [pid 5867] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5867] close(3 [pid 5865] <... close resumed>) = 0 [pid 5867] <... close resumed>) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6668 attached [pid 5867] rmdir("./59" [pid 6668] set_robust_list(0x555566de86a0, 24) = 0 [pid 6668] chdir("./60" [pid 5867] <... rmdir resumed>) = 0 [pid 5866] umount2("./59/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5867] mkdir("./60", 0777 [pid 6668] <... chdir resumed>) = 0 [pid 5865] <... clone resumed>, child_tidptr=0x555566de8690) = 6668 [pid 6668] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [ 229.443352][ T5866] [ 229.443352][ T5866] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 229.443352][ T5866] [pid 6668] setpgid(0, 0) = 0 [pid 6668] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5867] <... mkdir resumed>) = 0 [pid 5867] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6668] <... openat resumed>) = 3 [pid 5867] <... openat resumed>) = 3 [pid 5866] newfstatat(AT_FDCWD, "./59/bus", [pid 5867] ioctl(3, LOOP_CLR_FD [pid 5866] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6668] write(3, "1000", 4 [pid 5867] <... ioctl resumed>) = 0 [pid 5866] umount2("./59/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5867] close(3 [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6668] <... write resumed>) = 4 [pid 6668] close(3) = 0 [pid 6668] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6668] write(1, "executing program\n", 18) = 18 [pid 6668] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6668] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, [pid 5866] openat(AT_FDCWD, "./59/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6668] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6668] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5866] <... openat resumed>) = 4 [pid 6668] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6668] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5866] newfstatat(4, "", [pid 6668] <... mmap resumed>) = 0x7f46d9f21000 [pid 6668] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6668] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6668] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0}./strace-static-x86_64: Process 6669 attached [pid 5866] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5866] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 6668] <... clone3 resumed> => {parent_tid=[6669]}, 88) = 6669 [pid 6669] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6668] rt_sigprocmask(SIG_SETMASK, [], [pid 6669] <... rseq resumed>) = 0 [pid 6668] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6669] set_robust_list(0x7f46d9f419a0, 24 [pid 6668] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6669] <... set_robust_list resumed>) = 0 [pid 6668] <... futex resumed>) = 0 [pid 6669] rt_sigprocmask(SIG_SETMASK, [], [pid 6668] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6669] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6669] memfd_create("syzkaller", 0) = 3 [pid 5866] close(4 [pid 6669] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5866] <... close resumed>) = 0 [pid 6669] <... mmap resumed>) = 0x7f46d1a00000 [pid 5866] rmdir("./59/bus") = 0 [pid 5866] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5866] close(3) = 0 [pid 5866] rmdir("./59") = 0 [pid 5866] mkdir("./60", 0777) = 0 [pid 5866] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5866] ioctl(3, LOOP_CLR_FD) = 0 [pid 5866] close(3 [pid 6663] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6665] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6669] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5867] <... close resumed>) = 0 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6670 attached , child_tidptr=0x555566de8690) = 6670 [pid 6670] set_robust_list(0x555566de86a0, 24) = 0 [pid 6670] chdir("./60" [pid 5866] <... close resumed>) = 0 [pid 6670] <... chdir resumed>) = 0 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6670] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 6671 attached ) = 0 [pid 6670] setpgid(0, 0 [pid 5866] <... clone resumed>, child_tidptr=0x555566de8690) = 6671 [pid 6671] set_robust_list(0x555566de86a0, 24 [pid 6670] <... setpgid resumed>) = 0 [pid 6671] <... set_robust_list resumed>) = 0 [pid 6670] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6671] chdir("./60" [pid 6670] <... openat resumed>) = 3 [pid 6671] <... chdir resumed>) = 0 [pid 6671] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6670] write(3, "1000", 4 [pid 6671] <... prctl resumed>) = 0 [pid 6671] setpgid(0, 0 [pid 6670] <... write resumed>) = 4 [pid 6670] close(3 [pid 6671] <... setpgid resumed>) = 0 [pid 6671] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6670] <... close resumed>) = 0 [pid 6670] symlink("/dev/binderfs", "./binderfs" [pid 6671] <... openat resumed>) = 3 [pid 6670] <... symlink resumed>) = 0 [pid 6671] write(3, "1000", 4 [pid 6670] write(1, "executing program\n", 18 [pid 6671] <... write resumed>) = 4 executing program [pid 6671] close(3 [pid 6670] <... write resumed>) = 18 [pid 6671] <... close resumed>) = 0 [pid 6670] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6671] symlink("/dev/binderfs", "./binderfs" [pid 6670] <... futex resumed>) = 0 [pid 6670] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6671] <... symlink resumed>) = 0 [pid 6670] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], executing program [pid 6671] write(1, "executing program\n", 18 [pid 6670] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6671] <... write resumed>) = 18 [pid 6670] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6671] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6670] <... mmap resumed>) = 0x7f46d9f21000 [pid 6671] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6671] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6671] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6670] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE [pid 6671] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6671] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6671] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} => {parent_tid=[6672]}, 88) = 6672 [pid 6671] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6671] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6672 attached ) = 0 [pid 6670] <... mprotect resumed>) = 0 [pid 6672] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053) = 0 [pid 6670] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6672] set_robust_list(0x7f46d9f419a0, 24) = 0 [pid 6670] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} [pid 6672] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6672] memfd_create("syzkaller", 0) = 3 [pid 6671] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6672] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6670] <... clone3 resumed> => {parent_tid=[6673]}, 88) = 6673 ./strace-static-x86_64: Process 6673 attached [pid 6670] rt_sigprocmask(SIG_SETMASK, [], [pid 6672] <... mmap resumed>) = 0x7f46d1a00000 [pid 6670] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6670] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6673] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053) = 0 [pid 6673] set_robust_list(0x7f46d9f419a0, 24) = 0 [pid 6673] rt_sigprocmask(SIG_SETMASK, [], [pid 6670] <... futex resumed>) = 0 [pid 6673] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6673] memfd_create("syzkaller", 0 [pid 6670] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6673] <... memfd_create resumed>) = 3 [pid 6673] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 6669] <... write resumed>) = 16777216 [pid 6669] munmap(0x7f46d1a00000, 138412032) = 0 [pid 6669] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 6669] ioctl(4, LOOP_SET_FD, 3 [pid 6663] <... write resumed>) = 16777216 [pid 6663] munmap(0x7f46d1a00000, 138412032 [pid 6669] <... ioctl resumed>) = 0 [pid 6669] close(3) = 0 [pid 6669] close(4 [pid 6663] <... munmap resumed>) = 0 [pid 6669] <... close resumed>) = 0 [pid 6663] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6669] mkdir("./bus", 0777) = 0 [pid 6669] mount("/dev/loop2", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6663] <... openat resumed>) = 4 [pid 6663] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6663] close(3) = 0 [pid 6663] close(4) = 0 [pid 6663] mkdir("./bus", 0777) = 0 [ 230.063552][ T6669] loop2: detected capacity change from 0 to 32768 [ 230.095378][ T6663] loop0: detected capacity change from 0 to 32768 [pid 6663] mount("/dev/loop0", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6665] <... write resumed>) = 16777216 [pid 6665] munmap(0x7f46d1a00000, 138412032 [pid 6669] <... mount resumed>) = 0 [pid 6669] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6669] chdir("./bus") = 0 [pid 6669] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6665] <... munmap resumed>) = 0 [pid 6669] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6665] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6669] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6669] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6668] <... futex resumed>) = 0 [pid 6665] <... openat resumed>) = 4 [pid 6665] ioctl(4, LOOP_SET_FD, 3 [pid 6668] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6669] <... futex resumed>) = 0 [pid 6668] <... futex resumed>) = 1 [ 230.140032][ T6669] [ 230.140032][ T6669] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 230.140032][ T6669] [ 230.173904][ T6663] [ 230.173904][ T6663] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 230.173904][ T6663] [pid 6669] chdir("./file0" [pid 6668] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6669] <... chdir resumed>) = 0 [pid 6669] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6668] <... futex resumed>) = 0 [pid 6669] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 6668] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6669] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6668] <... futex resumed>) = 0 [pid 6663] <... mount resumed>) = 0 [pid 6665] <... ioctl resumed>) = 0 [pid 6663] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6668] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6663] <... openat resumed>) = 3 [pid 6663] chdir("./bus" [pid 6665] close(3 [pid 6663] <... chdir resumed>) = 0 [pid 6665] <... close resumed>) = 0 [pid 6669] <... open resumed>) = -1 EIO (Input/output error) [pid 6665] close(4 [pid 6663] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6669] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6665] <... close resumed>) = 0 [pid 6669] <... futex resumed>) = 1 [pid 6668] <... futex resumed>) = 0 [pid 6665] mkdir("./bus", 0777 [pid 6663] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6669] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6668] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6668] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6669] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6665] <... mkdir resumed>) = 0 [ 230.200373][ T6665] loop1: detected capacity change from 0 to 32768 [ 230.216850][ T6669] read_mapping_page failed! [ 230.221734][ T6669] ERROR: (device loop2): txCommit: [ 230.221734][ T6669] [pid 6663] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6669] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x5) [pid 6663] <... futex resumed>) = 1 [pid 6665] mount("/dev/loop1", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6663] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6662] <... futex resumed>) = 0 [pid 6663] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6662] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6663] chdir("./file0" [pid 6662] <... futex resumed>) = 0 [pid 6662] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6663] <... chdir resumed>) = 0 [pid 6663] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6662] <... futex resumed>) = 0 [pid 6663] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6662] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6669] <... mknod resumed>) = -1 EIO (Input/output error) [ 230.254313][ T6669] read_mapping_page failed! [ 230.262534][ T6669] ERROR: (device loop2): txCommit: [ 230.262534][ T6669] [ 230.286514][ T6665] [ 230.286514][ T6665] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 230.286514][ T6665] [ 230.298035][ T6663] read_mapping_page failed! [pid 6662] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6669] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6668] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6668] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6668] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6669] <... futex resumed>) = 1 [pid 6668] <... futex resumed>) = 0 [pid 6668] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=38000000} [pid 6669] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6665] <... mount resumed>) = 0 [pid 6663] <... open resumed>) = -1 EIO (Input/output error) [pid 6662] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6665] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6663] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6662] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6663] <... futex resumed>) = 0 [pid 6662] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6665] <... openat resumed>) = 3 [pid 6662] <... mmap resumed>) = 0x7f46d9f00000 [pid 6665] chdir("./bus" [pid 6663] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6665] <... chdir resumed>) = 0 [pid 6662] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE [pid 6665] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6662] <... mprotect resumed>) = 0 [pid 6665] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6664] <... futex resumed>) = 0 [pid 6662] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6665] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6664] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6662] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6664] <... futex resumed>) = 1 [pid 6665] <... futex resumed>) = 0 [pid 6662] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0} [pid 6664] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6674 attached [pid 6669] <... openat resumed>) = -1 EIO (Input/output error) [pid 6665] chdir("./file0" [pid 6674] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053 [pid 6668] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6674] <... rseq resumed>) = 0 [pid 6669] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6665] <... chdir resumed>) = 0 [pid 6662] <... clone3 resumed> => {parent_tid=[6674]}, 88) = 6674 [pid 6674] set_robust_list(0x7f46d9f209a0, 24 [pid 6669] <... futex resumed>) = 0 [ 230.302588][ T6663] ERROR: (device loop0): txCommit: [ 230.302588][ T6663] [ 230.313850][ T6669] read_mapping_page failed! [ 230.318394][ T6669] ERROR: (device loop2): txCommit: [ 230.318394][ T6669] [pid 6665] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6662] rt_sigprocmask(SIG_SETMASK, [], [pid 6674] <... set_robust_list resumed>) = 0 [pid 6669] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6665] <... futex resumed>) = 1 [pid 6664] <... futex resumed>) = 0 [pid 6662] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6674] rt_sigprocmask(SIG_SETMASK, [], [pid 6668] exit_group(0 [pid 6674] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6668] <... exit_group resumed>) = ? [pid 6664] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6674] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6664] <... futex resumed>) = 0 [pid 6669] <... futex resumed>) = ? [pid 6665] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6662] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6674] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6664] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6674] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x1) [pid 6669] +++ exited with 0 +++ [pid 6668] +++ exited with 0 +++ [pid 6662] <... futex resumed>) = 0 [pid 6662] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6668, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=29 /* 0.29 s */} --- [pid 5865] umount2("./60", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6674] <... mknod resumed>) = -1 EIO (Input/output error) [pid 5865] openat(AT_FDCWD, "./60", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6673] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5865] <... openat resumed>) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5865] umount2("./60/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6674] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6662] <... futex resumed>) = 0 [pid 6674] <... futex resumed>) = 1 [pid 6662] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] newfstatat(AT_FDCWD, "./60/binderfs", [pid 6674] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6663] <... futex resumed>) = 0 [pid 6662] <... futex resumed>) = 1 [pid 5865] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6663] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6662] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5865] unlink("./60/binderfs" [pid 6672] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5865] <... unlink resumed>) = 0 [pid 5865] umount2("./60/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6664] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 230.366302][ T6674] read_mapping_page failed! [ 230.369870][ T6665] read_mapping_page failed! [ 230.370846][ T6674] ERROR: (device loop0): txCommit: [ 230.370846][ T6674] [ 230.397092][ T6663] read_mapping_page failed! [ 230.398891][ T6665] ERROR: (device loop1): txCommit: [ 230.398891][ T6665] [ 230.403662][ T6663] ERROR: (device loop0): txCommit: [ 230.403662][ T6663] [pid 6665] <... open resumed>) = -1 EIO (Input/output error) [pid 6664] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6663] <... openat resumed>) = -1 EIO (Input/output error) [pid 6665] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6664] <... futex resumed>) = 0 [pid 6665] <... futex resumed>) = 0 [pid 6664] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6663] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6665] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6663] <... futex resumed>) = 1 [pid 6664] <... mmap resumed>) = 0x7f46d9f00000 [pid 6662] <... futex resumed>) = 0 [pid 6664] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE [pid 6663] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6662] exit_group(0 [pid 6664] <... mprotect resumed>) = 0 [pid 6674] <... futex resumed>) = ? [pid 6663] <... futex resumed>) = ? [pid 6662] <... exit_group resumed>) = ? [pid 6664] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6674] +++ exited with 0 +++ [pid 6664] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6663] +++ exited with 0 +++ [pid 6662] +++ exited with 0 +++ [pid 6664] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0} [pid 5863] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6662, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=36 /* 0.36 s */} --- ./strace-static-x86_64: Process 6675 attached [pid 5863] restart_syscall(<... resuming interrupted clone ...> [pid 6675] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053 [pid 6664] <... clone3 resumed> => {parent_tid=[6675]}, 88) = 6675 [pid 5863] <... restart_syscall resumed>) = 0 [pid 6675] <... rseq resumed>) = 0 [pid 6664] rt_sigprocmask(SIG_SETMASK, [], [pid 6675] set_robust_list(0x7f46d9f209a0, 24 [pid 6664] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6675] <... set_robust_list resumed>) = 0 [pid 6664] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] umount2("./59", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6675] rt_sigprocmask(SIG_SETMASK, [], [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6675] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5863] openat(AT_FDCWD, "./59", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5863] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5863] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5863] umount2("./59/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] newfstatat(AT_FDCWD, "./59/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5863] unlink("./59/binderfs") = 0 [pid 5863] umount2("./59/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6675] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x3) [pid 6664] <... futex resumed>) = 0 [ 230.434062][ T5865] [ 230.434062][ T5865] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 230.434062][ T5865] [ 230.470716][ T6675] read_mapping_page failed! [ 230.471373][ T5863] [ 230.471373][ T5863] ... Log Wrap ... Log Wrap ... Log Wrap ... [pid 6675] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6664] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6675] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6664] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6675] <... futex resumed>) = 0 [pid 6675] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6664] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6665] <... futex resumed>) = 0 [pid 6664] <... futex resumed>) = 1 [pid 6665] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [ 230.471373][ T5863] [ 230.475466][ T6675] ERROR: (device loop1): txCommit: [ 230.475466][ T6675] [ 230.503283][ T5865] [ 230.503283][ T5865] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 230.503283][ T5865] [ 230.513250][ T5863] [ 230.513250][ T5863] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 230.513250][ T5863] [ 230.525841][ T6665] read_mapping_page failed! [pid 6664] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6665] <... openat resumed>) = -1 EIO (Input/output error) [pid 5863] <... umount2 resumed>) = 0 [pid 6665] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] umount2("./59/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6665] <... futex resumed>) = 1 [pid 6664] <... futex resumed>) = 0 [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6665] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6664] exit_group(0 [pid 5863] newfstatat(AT_FDCWD, "./59/bus", [pid 6675] <... futex resumed>) = ? [pid 6665] <... futex resumed>) = ? [pid 6664] <... exit_group resumed>) = ? [pid 5865] <... umount2 resumed>) = 0 [pid 5863] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6675] +++ exited with 0 +++ [pid 6665] +++ exited with 0 +++ [pid 6664] +++ exited with 0 +++ [pid 5865] umount2("./60/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5863] umount2("./59/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5864] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6664, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=28 /* 0.28 s */} --- [pid 5865] newfstatat(AT_FDCWD, "./60/bus", [pid 5864] restart_syscall(<... resuming interrupted clone ...> [pid 5865] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5865] umount2("./60/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] openat(AT_FDCWD, "./59/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5865] openat(AT_FDCWD, "./60/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5863] <... openat resumed>) = 4 [pid 5865] <... openat resumed>) = 4 [pid 5863] newfstatat(4, "", [pid 5865] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5863] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(4, [pid 5864] <... restart_syscall resumed>) = 0 [pid 5863] getdents64(4, [pid 5865] <... getdents64 resumed>0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5863] <... getdents64 resumed>0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5865] getdents64(4, [pid 5863] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5865] <... getdents64 resumed>0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5864] umount2("./59", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5863] close(4 [pid 5865] close(4 [pid 5864] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5863] <... close resumed>) = 0 [pid 5865] <... close resumed>) = 0 [pid 5864] openat(AT_FDCWD, "./59", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5863] rmdir("./59/bus" [pid 5865] rmdir("./60/bus" [pid 5864] <... openat resumed>) = 3 [pid 5863] <... rmdir resumed>) = 0 [pid 5864] newfstatat(3, "", [ 230.530391][ T6665] ERROR: (device loop1): txCommit: [ 230.530391][ T6665] [pid 5863] getdents64(3, [pid 5865] <... rmdir resumed>) = 0 [pid 5864] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5863] <... getdents64 resumed>0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5865] getdents64(3, [pid 5864] getdents64(3, [pid 5863] close(3 [pid 5865] <... getdents64 resumed>0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5864] <... getdents64 resumed>0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5863] <... close resumed>) = 0 [pid 5865] close(3 [pid 5864] umount2("./59/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5863] rmdir("./59" [pid 5865] <... close resumed>) = 0 [pid 5864] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5863] <... rmdir resumed>) = 0 [pid 5865] rmdir("./60" [pid 5864] newfstatat(AT_FDCWD, "./59/binderfs", [pid 5863] mkdir("./60", 0777 [pid 5865] <... rmdir resumed>) = 0 [pid 5864] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5863] <... mkdir resumed>) = 0 [pid 5865] mkdir("./61", 0777 [pid 5864] unlink("./59/binderfs" [pid 5863] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5864] <... unlink resumed>) = 0 [pid 5863] <... openat resumed>) = 3 [pid 5864] umount2("./59/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5863] ioctl(3, LOOP_CLR_FD) = 0 [pid 5863] close(3 [pid 5865] <... mkdir resumed>) = 0 [pid 5865] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5865] ioctl(3, LOOP_CLR_FD) = 0 [pid 5865] close(3 [pid 6672] <... write resumed>) = 16777216 [ 230.604268][ T5864] [ 230.604268][ T5864] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 230.604268][ T5864] [ 230.643300][ T5864] [ 230.643300][ T5864] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 230.643300][ T5864] [pid 6672] munmap(0x7f46d1a00000, 138412032 [pid 5864] <... umount2 resumed>) = 0 [pid 5864] umount2("./59/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] newfstatat(AT_FDCWD, "./59/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5864] umount2("./59/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] openat(AT_FDCWD, "./59/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5864] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5864] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5864] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5864] close(4) = 0 [pid 5864] rmdir("./59/bus") = 0 [pid 5864] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5864] close(3) = 0 [pid 5864] rmdir("./59") = 0 [pid 5864] mkdir("./60", 0777) = 0 [pid 5864] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5864] ioctl(3, LOOP_CLR_FD) = 0 [pid 5864] close(3 [pid 6672] <... munmap resumed>) = 0 [pid 6672] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 6672] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6672] close(3) = 0 [pid 6672] close(4) = 0 [pid 6672] mkdir("./bus", 0777) = 0 [ 230.762462][ T6672] loop3: detected capacity change from 0 to 32768 [pid 6672] mount("/dev/loop3", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic,") = 0 [pid 6672] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [ 230.838039][ T6672] [ 230.838039][ T6672] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 230.838039][ T6672] [pid 6672] chdir("./bus") = 0 [pid 6672] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6672] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6671] <... futex resumed>) = 0 [pid 6672] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6671] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] <... close resumed>) = 0 [pid 6672] <... futex resumed>) = 0 [pid 6671] <... futex resumed>) = 1 [pid 5863] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6672] chdir("./file0" [pid 6671] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5863] <... clone resumed>, child_tidptr=0x555566de8690) = 6676 ./strace-static-x86_64: Process 6676 attached [pid 6676] set_robust_list(0x555566de86a0, 24 [pid 6672] <... chdir resumed>) = 0 [pid 6676] <... set_robust_list resumed>) = 0 [pid 6672] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6676] chdir("./60" [pid 6671] <... futex resumed>) = 0 [pid 6676] <... chdir resumed>) = 0 [pid 6672] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6676] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6671] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6676] <... prctl resumed>) = 0 [pid 6671] <... futex resumed>) = 1 [pid 6676] setpgid(0, 0 [pid 6672] <... futex resumed>) = 0 [pid 6672] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6676] <... setpgid resumed>) = 0 [pid 6671] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6676] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6673] <... write resumed>) = 16777216 [pid 6673] munmap(0x7f46d1a00000, 138412032 [pid 6676] write(3, "1000", 4) = 4 [pid 6676] close(3) = 0 [pid 6673] <... munmap resumed>) = 0 [pid 6672] <... open resumed>) = -1 EIO (Input/output error) [pid 6676] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6672] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 6676] write(1, "executing program\n", 18 [pid 6672] <... futex resumed>) = 1 [pid 6676] <... write resumed>) = 18 [pid 6672] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6676] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6671] <... futex resumed>) = 0 [pid 6676] <... futex resumed>) = 0 [pid 6676] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, [pid 6671] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6676] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6672] <... futex resumed>) = 0 [pid 6671] <... futex resumed>) = 1 [pid 6676] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6672] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x7) [pid 6676] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6671] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6676] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6676] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE [pid 6673] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6676] <... mprotect resumed>) = 0 [pid 6673] <... openat resumed>) = 4 [pid 6673] ioctl(4, LOOP_SET_FD, 3 [ 230.921448][ T6672] read_mapping_page failed! [ 230.931111][ T6672] ERROR: (device loop3): txCommit: [ 230.931111][ T6672] [ 230.955475][ T6672] read_mapping_page failed! [ 230.960098][ T6672] ERROR: (device loop3): txCommit: [ 230.960098][ T6672] [pid 6676] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6672] <... mknod resumed>) = -1 EIO (Input/output error) [pid 5865] <... close resumed>) = 0 [pid 6676] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} [pid 6672] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6676] <... clone3 resumed> => {parent_tid=[6677]}, 88) = 6677 [pid 6676] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6676] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6676] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6672] <... futex resumed>) = 1 [pid 6671] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6678 attached [pid 6671] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6671] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6678] set_robust_list(0x555566de86a0, 24 [pid 6672] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 5865] <... clone resumed>, child_tidptr=0x555566de8690) = 6678 [pid 6678] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 6677 attached [pid 6677] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053) = 0 [pid 6677] set_robust_list(0x7f46d9f419a0, 24) = 0 [pid 6677] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6677] memfd_create("syzkaller", 0) = 3 [pid 6677] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 6673] <... ioctl resumed>) = 0 [pid 6678] chdir("./61" [pid 6673] close(3 [pid 6678] <... chdir resumed>) = 0 [pid 6673] <... close resumed>) = 0 [pid 6678] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6673] close(4) = 0 [pid 6673] mkdir("./bus", 0777 [pid 6678] <... prctl resumed>) = 0 [pid 6673] <... mkdir resumed>) = 0 [pid 6672] <... openat resumed>) = -1 EIO (Input/output error) [pid 6673] mount("/dev/loop4", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6678] setpgid(0, 0) = 0 [pid 6672] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6678] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6672] <... futex resumed>) = 1 [pid 6671] <... futex resumed>) = 0 [pid 6678] <... openat resumed>) = 3 [pid 6672] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6678] write(3, "1000", 4 [pid 6671] exit_group(0 [pid 6678] <... write resumed>) = 4 [pid 6672] <... futex resumed>) = ? [pid 6671] <... exit_group resumed>) = ? [ 230.975877][ T6673] loop4: detected capacity change from 0 to 32768 [ 230.989574][ T6672] read_mapping_page failed! [ 231.003869][ T6672] ERROR: (device loop3): txCommit: [ 231.003869][ T6672] [pid 6678] close(3 [pid 6672] +++ exited with 0 +++ [pid 6671] +++ exited with 0 +++ [pid 6678] <... close resumed>) = 0 [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6671, si_uid=0, si_status=0, si_utime=10 /* 0.10 s */, si_stime=27 /* 0.27 s */} --- [pid 6678] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5864] <... close resumed>) = 0 [pid 6678] write(1, "executing program\n", 18executing program [pid 5864] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6678] <... write resumed>) = 18 [pid 5866] umount2("./60", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] openat(AT_FDCWD, "./60", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5866] newfstatat(3, "", ./strace-static-x86_64: Process 6679 attached [pid 6678] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5864] <... clone resumed>, child_tidptr=0x555566de8690) = 6679 [pid 6678] <... futex resumed>) = 0 [pid 6679] set_robust_list(0x555566de86a0, 24 [pid 6678] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, [pid 6679] <... set_robust_list resumed>) = 0 [pid 5866] getdents64(3, [pid 6679] chdir("./60" [pid 6678] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5866] <... getdents64 resumed>0x555566de9730 /* 4 entries */, 32768) = 104 [pid 6678] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6679] <... chdir resumed>) = 0 [pid 6678] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5866] umount2("./60/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6679] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6678] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6679] <... prctl resumed>) = 0 [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6678] <... mmap resumed>) = 0x7f46d9f21000 [pid 6679] setpgid(0, 0 [pid 6678] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE [pid 5866] newfstatat(AT_FDCWD, "./60/binderfs", [pid 6679] <... setpgid resumed>) = 0 [pid 6678] <... mprotect resumed>) = 0 [pid 5866] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] unlink("./60/binderfs" [pid 6679] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6678] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5866] <... unlink resumed>) = 0 [pid 6678] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6679] <... openat resumed>) = 3 [pid 6678] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} [pid 5866] umount2("./60/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6679] write(3, "1000", 4./strace-static-x86_64: Process 6680 attached ) = 4 [pid 6680] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6679] close(3 [pid 6680] <... rseq resumed>) = 0 [pid 6679] <... close resumed>) = 0 [pid 6678] <... clone3 resumed> => {parent_tid=[6680]}, 88) = 6680 [pid 6680] set_robust_list(0x7f46d9f419a0, 24) = 0 [pid 6680] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6679] symlink("/dev/binderfs", "./binderfs" [pid 6678] rt_sigprocmask(SIG_SETMASK, [], [pid 6680] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6679] <... symlink resumed>) = 0 [pid 6678] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6678] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6680] <... futex resumed>) = 0 [pid 6678] <... futex resumed>) = 1 [pid 6680] memfd_create("syzkaller", 0 [pid 6678] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6680] <... memfd_create resumed>) = 3 [pid 6679] write(1, "executing program\n", 18 [pid 6680] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0executing program [pid 6679] <... write resumed>) = 18 [pid 6680] <... mmap resumed>) = 0x7f46d1a00000 [pid 6679] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6673] <... mount resumed>) = 0 [pid 6673] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6673] chdir("./bus") = 0 [pid 6673] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6673] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6670] <... futex resumed>) = 0 [pid 6670] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6670] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6673] chdir("./file0") = 0 [pid 6673] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6670] <... futex resumed>) = 0 [pid 6670] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6670] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6673] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [ 231.026130][ T6673] [ 231.026130][ T6673] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 231.026130][ T6673] [ 231.055588][ T5866] [ 231.055588][ T5866] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 231.055588][ T5866] [pid 6679] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6679] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6679] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6679] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6679] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6679] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} [pid 6670] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6670] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 6679] <... clone3 resumed> => {parent_tid=[6681]}, 88) = 6681 [pid 6670] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) ./strace-static-x86_64: Process 6681 attached [pid 6670] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] <... umount2 resumed>) = 0 [pid 6670] <... futex resumed>) = 0 [pid 6670] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f00000 [pid 6670] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE [pid 6681] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6670] <... mprotect resumed>) = 0 [pid 5866] umount2("./60/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6681] <... rseq resumed>) = 0 [pid 6670] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6681] set_robust_list(0x7f46d9f419a0, 24 [pid 6670] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5866] newfstatat(AT_FDCWD, "./60/bus", [pid 6681] <... set_robust_list resumed>) = 0 [pid 6670] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0} [pid 5866] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 6682 attached [pid 6681] rt_sigprocmask(SIG_SETMASK, [], [pid 6679] rt_sigprocmask(SIG_SETMASK, [], [pid 6673] <... open resumed>) = -1 EIO (Input/output error) [pid 6681] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6679] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6673] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6670] <... clone3 resumed> => {parent_tid=[6682]}, 88) = 6682 [pid 5866] umount2("./60/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6681] memfd_create("syzkaller", 0 [pid 6679] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6673] <... futex resumed>) = 0 [pid 6670] rt_sigprocmask(SIG_SETMASK, [], [pid 6681] <... memfd_create resumed>) = 3 [pid 6679] <... futex resumed>) = 0 [pid 6673] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6670] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6682] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053 [pid 6681] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6679] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6670] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] openat(AT_FDCWD, "./60/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6682] <... rseq resumed>) = 0 [pid 6681] <... mmap resumed>) = 0x7f46d1a00000 [pid 6670] <... futex resumed>) = 0 [pid 5866] <... openat resumed>) = 4 [pid 6682] set_robust_list(0x7f46d9f209a0, 24 [pid 6670] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6682] <... set_robust_list resumed>) = 0 [pid 6682] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [ 231.096958][ T6673] read_mapping_page failed! [ 231.102927][ T5866] [ 231.102927][ T5866] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 231.102927][ T5866] [ 231.123057][ T6673] ERROR: (device loop4): txCommit: [ 231.123057][ T6673] [pid 5866] newfstatat(4, "", [pid 6682] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x9) [pid 5866] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5866] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5866] close(4) = 0 [pid 5866] rmdir("./60/bus") = 0 [pid 5866] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5866] close(3) = 0 [pid 5866] rmdir("./60") = 0 [pid 5866] mkdir("./61", 0777) = 0 [pid 5866] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5866] ioctl(3, LOOP_CLR_FD) = 0 [pid 5866] close(3 [pid 6670] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6670] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6673] <... futex resumed>) = 0 [pid 6670] <... futex resumed>) = 1 [ 231.167976][ T6682] read_mapping_page failed! [ 231.172537][ T6682] ERROR: (device loop4): txCommit: [ 231.172537][ T6682] [pid 6670] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6673] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6682] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6682] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6682] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6670] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6670] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 6673] <... openat resumed>) = -1 EIO (Input/output error) [pid 6673] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6673] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6670] <... futex resumed>) = 0 [pid 6670] exit_group(0 [pid 6673] <... futex resumed>) = ? [pid 6670] <... exit_group resumed>) = ? [pid 6682] <... futex resumed>) = ? [pid 6673] +++ exited with 0 +++ [pid 6682] +++ exited with 0 +++ [pid 6670] +++ exited with 0 +++ [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6670, si_uid=0, si_status=0, si_utime=10 /* 0.10 s */, si_stime=26 /* 0.26 s */} --- [pid 5867] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5867] umount2("./60", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./60", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6677] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5867] <... openat resumed>) = 3 [ 231.235432][ T6673] read_mapping_page failed! [ 231.240002][ T6673] ERROR: (device loop4): txCommit: [ 231.240002][ T6673] [pid 5867] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5867] umount2("./60/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./60/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] unlink("./60/binderfs") = 0 [ 231.305440][ T5867] [ 231.305440][ T5867] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 231.305440][ T5867] [ 231.326701][ T5867] [ 231.326701][ T5867] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 231.326701][ T5867] [pid 5867] umount2("./60/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 5867] umount2("./60/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./60/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] umount2("./60/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6680] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./60/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5867] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5867] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5867] close(4) = 0 [pid 5867] rmdir("./60/bus") = 0 [pid 5867] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5867] close(3) = 0 [pid 5867] rmdir("./60") = 0 [pid 5867] mkdir("./61", 0777) = 0 [pid 5867] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5867] ioctl(3, LOOP_CLR_FD) = 0 [pid 5867] close(3 [pid 5866] <... close resumed>) = 0 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6683 attached , child_tidptr=0x555566de8690) = 6683 [pid 6683] set_robust_list(0x555566de86a0, 24) = 0 [pid 6683] chdir("./61") = 0 [pid 6683] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6683] setpgid(0, 0) = 0 [pid 6683] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6683] write(3, "1000", 4) = 4 [pid 6683] close(3) = 0 [pid 6683] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6681] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216executing program [pid 6683] write(1, "executing program\n", 18) = 18 [pid 6683] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6683] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6683] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6683] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6683] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6683] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6683] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} => {parent_tid=[6684]}, 88) = 6684 [pid 6683] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 6684 attached [pid 6683] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6683] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6684] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053) = 0 [pid 6684] set_robust_list(0x7f46d9f419a0, 24) = 0 [pid 6684] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6684] memfd_create("syzkaller", 0) = 3 [pid 6684] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 5867] <... close resumed>) = 0 [pid 6677] <... write resumed>) = 16777216 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6677] munmap(0x7f46d1a00000, 138412032./strace-static-x86_64: Process 6685 attached [pid 6685] set_robust_list(0x555566de86a0, 24) = 0 [pid 5867] <... clone resumed>, child_tidptr=0x555566de8690) = 6685 [pid 6685] chdir("./61") = 0 [pid 6685] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6685] setpgid(0, 0) = 0 [pid 6685] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6685] write(3, "1000", 4) = 4 [pid 6685] close(3) = 0 [pid 6685] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6685] write(1, "executing program\n", 18) = 18 [pid 6685] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6677] <... munmap resumed>) = 0 [pid 6677] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 6677] ioctl(4, LOOP_SET_FD, 3 [pid 6685] <... futex resumed>) = 0 [pid 6685] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6685] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6685] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6685] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6685] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6685] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} => {parent_tid=[6686]}, 88) = 6686 [pid 6685] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6685] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6685] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 6686 attached [pid 6677] <... ioctl resumed>) = 0 [pid 6686] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6677] close(3 [pid 6686] <... rseq resumed>) = 0 [pid 6677] <... close resumed>) = 0 [pid 6686] set_robust_list(0x7f46d9f419a0, 24 [pid 6677] close(4 [pid 6686] <... set_robust_list resumed>) = 0 [pid 6677] <... close resumed>) = 0 [pid 6686] rt_sigprocmask(SIG_SETMASK, [], [pid 6677] mkdir("./bus", 0777 [pid 6686] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6677] <... mkdir resumed>) = 0 [pid 6686] memfd_create("syzkaller", 0 [pid 6677] mount("/dev/loop0", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6686] <... memfd_create resumed>) = 3 [pid 6686] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [ 231.763932][ T6677] loop0: detected capacity change from 0 to 32768 [pid 6680] <... write resumed>) = 16777216 [pid 6680] munmap(0x7f46d1a00000, 138412032 [pid 6681] <... write resumed>) = 16777216 [pid 6680] <... munmap resumed>) = 0 [pid 6681] munmap(0x7f46d1a00000, 138412032 [pid 6680] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 6680] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6680] close(3) = 0 [pid 6680] close(4) = 0 [pid 6680] mkdir("./bus", 0777) = 0 [pid 6680] mount("/dev/loop2", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6681] <... munmap resumed>) = 0 [pid 6677] <... mount resumed>) = 0 [pid 6677] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6677] chdir("./bus" [pid 6681] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6677] <... chdir resumed>) = 0 [pid 6681] <... openat resumed>) = 4 [pid 6677] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6681] ioctl(4, LOOP_SET_FD, 3 [pid 6677] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6677] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6676] <... futex resumed>) = 0 [ 231.865191][ T6677] [ 231.865191][ T6677] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 231.865191][ T6677] [ 231.881285][ T6680] loop2: detected capacity change from 0 to 32768 [pid 6681] <... ioctl resumed>) = 0 [pid 6677] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6676] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6681] close(3 [pid 6677] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6676] <... futex resumed>) = 0 [pid 6681] <... close resumed>) = 0 [pid 6677] chdir("./file0" [pid 6676] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6681] close(4) = 0 [pid 6677] <... chdir resumed>) = 0 [pid 6681] mkdir("./bus", 0777 [pid 6677] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6677] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6684] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6681] <... mkdir resumed>) = 0 [pid 6676] <... futex resumed>) = 0 [pid 6676] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [ 231.916394][ T6681] loop1: detected capacity change from 0 to 32768 [ 231.929198][ T6680] [ 231.929198][ T6680] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 231.929198][ T6680] [pid 6681] mount("/dev/loop1", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6676] <... futex resumed>) = 1 [pid 6677] <... futex resumed>) = 0 [pid 6677] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6680] <... mount resumed>) = 0 [pid 6676] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6680] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6680] chdir("./bus") = 0 [pid 6680] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6680] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6678] <... futex resumed>) = 0 [pid 6678] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6678] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6680] chdir("./file0" [pid 6676] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6680] <... chdir resumed>) = 0 [pid 6676] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6676] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f00000 [pid 6680] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6676] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6680] <... futex resumed>) = 1 [pid 6680] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6678] <... futex resumed>) = 0 [pid 6678] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6678] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6680] <... futex resumed>) = 0 [pid 6676] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6680] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6676] <... rt_sigprocmask resumed>[], 8) = 0 [ 231.981837][ T6677] read_mapping_page failed! [ 231.998620][ T6681] [ 231.998620][ T6681] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 231.998620][ T6681] [ 232.022914][ T6677] ERROR: (device loop0): txCommit: [ 232.022914][ T6677] [pid 6676] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0}./strace-static-x86_64: Process 6687 attached [pid 6681] <... mount resumed>) = 0 [pid 6677] <... open resumed>) = -1 EIO (Input/output error) [pid 6677] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6681] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6687] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053) = 0 [pid 6687] set_robust_list(0x7f46d9f209a0, 24) = 0 [pid 6681] <... openat resumed>) = 3 [pid 6677] <... futex resumed>) = 0 [pid 6676] <... clone3 resumed> => {parent_tid=[6687]}, 88) = 6687 [pid 6681] chdir("./bus" [pid 6677] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6687] rt_sigprocmask(SIG_SETMASK, [], [pid 6681] <... chdir resumed>) = 0 [pid 6676] rt_sigprocmask(SIG_SETMASK, [], [pid 6681] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6676] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6687] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6681] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6680] <... open resumed>) = -1 EIO (Input/output error) [pid 6676] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6687] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x1) [pid 6681] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6680] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6676] <... futex resumed>) = 0 [pid 6681] <... futex resumed>) = 1 [pid 6680] <... futex resumed>) = 1 [pid 6679] <... futex resumed>) = 0 [pid 6678] <... futex resumed>) = 0 [pid 6676] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6681] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6680] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6679] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6678] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6681] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6680] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6679] <... futex resumed>) = 0 [pid 6678] <... futex resumed>) = 0 [pid 6679] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 232.059605][ T6680] read_mapping_page failed! [ 232.073171][ T6680] ERROR: (device loop2): txCommit: [ 232.073171][ T6680] [ 232.089060][ T6687] read_mapping_page failed! [pid 6678] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6681] chdir("./file0" [pid 6680] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x5) [pid 6681] <... chdir resumed>) = 0 [pid 6681] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6680] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6679] <... futex resumed>) = 0 [pid 6681] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6680] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6679] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6679] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6680] <... futex resumed>) = 1 [pid 6678] <... futex resumed>) = 0 [pid 6678] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6678] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6687] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6676] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6680] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6687] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6687] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6676] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6677] <... futex resumed>) = 0 [pid 6677] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [ 232.105559][ T6687] ERROR: (device loop0): txCommit: [ 232.105559][ T6687] [ 232.118456][ T6680] read_mapping_page failed! [ 232.123959][ T6680] ERROR: (device loop2): txCommit: [ 232.123959][ T6680] [ 232.140233][ T6681] read_mapping_page failed! [ 232.150656][ T6680] read_mapping_page failed! [pid 6676] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6679] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6679] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6679] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f00000 [pid 6678] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6679] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6679] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6677] <... openat resumed>) = -1 EIO (Input/output error) [pid 6679] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6679] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0} [pid 6677] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6676] <... futex resumed>) = 0 [pid 6679] <... clone3 resumed> => {parent_tid=[6688]}, 88) = 6688 [pid 6676] exit_group(0) = ? [pid 6687] <... futex resumed>) = ? [pid 6681] <... open resumed>) = -1 EIO (Input/output error) [pid 6679] rt_sigprocmask(SIG_SETMASK, [], [pid 6687] +++ exited with 0 +++ [pid 6681] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6679] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6677] +++ exited with 0 +++ [pid 6676] +++ exited with 0 +++ [pid 6679] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6676, si_uid=0, si_status=0, si_utime=10 /* 0.10 s */, si_stime=27 /* 0.27 s */} --- [pid 6679] <... futex resumed>) = 0 [pid 5863] restart_syscall(<... resuming interrupted clone ...> [pid 6679] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6688 attached [ 232.156503][ T6681] ERROR: (device loop1): txCommit: [ 232.156503][ T6681] [ 232.165130][ T6677] read_mapping_page failed! [ 232.169782][ T6677] ERROR: (device loop0): txCommit: [ 232.169782][ T6677] [ 232.173532][ T6680] ERROR: (device loop2): txCommit: [ 232.173532][ T6680] [pid 6688] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053) = 0 [pid 6681] <... futex resumed>) = 0 [pid 5863] <... restart_syscall resumed>) = 0 [pid 6688] set_robust_list(0x7f46d9f209a0, 24) = 0 [pid 6681] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5863] umount2("./60", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] openat(AT_FDCWD, "./60", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5863] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5863] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5863] umount2("./60/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] newfstatat(AT_FDCWD, "./60/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5863] unlink("./60/binderfs" [pid 6688] rt_sigprocmask(SIG_SETMASK, [], [pid 5863] <... unlink resumed>) = 0 [pid 6680] <... openat resumed>) = -1 EIO (Input/output error) [pid 6688] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5863] umount2("./60/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6688] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x3) [pid 6680] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6678] exit_group(0) = ? [pid 6686] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6680] +++ exited with 0 +++ [pid 6678] +++ exited with 0 +++ [pid 6679] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6678, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=25 /* 0.25 s */} --- [pid 6679] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6681] <... futex resumed>) = 0 [pid 6679] <... futex resumed>) = 1 [pid 6681] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6679] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 232.245677][ T6688] read_mapping_page failed! [ 232.257038][ T6688] ERROR: (device loop1): txCommit: [ 232.257038][ T6688] [ 232.276637][ T5863] [ 232.276637][ T5863] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 232.276637][ T5863] [pid 5865] umount2("./61", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6688] <... mknod resumed>) = -1 EIO (Input/output error) [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6688] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5865] openat(AT_FDCWD, "./61", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5865] umount2("./61/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./61/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./61/binderfs" [pid 6688] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5865] <... unlink resumed>) = 0 [pid 5865] umount2("./61/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6681] <... openat resumed>) = -1 EIO (Input/output error) [pid 6681] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6681] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6679] <... futex resumed>) = 0 [pid 6679] exit_group(0 [pid 6688] <... futex resumed>) = ? [pid 6681] <... futex resumed>) = ? [pid 6679] <... exit_group resumed>) = ? [pid 6681] +++ exited with 0 +++ [pid 6688] +++ exited with 0 +++ [pid 6679] +++ exited with 0 +++ [pid 5864] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6679, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=27 /* 0.27 s */} --- [pid 5864] umount2("./60", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] openat(AT_FDCWD, "./60", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5864] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5864] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [ 232.293768][ T6681] read_mapping_page failed! [ 232.298311][ T6681] ERROR: (device loop1): txCommit: [ 232.298311][ T6681] [ 232.323974][ T5863] [ 232.323974][ T5863] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 232.323974][ T5863] [ 232.328927][ T5865] [ 232.328927][ T5865] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 232.328927][ T5865] [pid 5864] umount2("./60/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] newfstatat(AT_FDCWD, "./60/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5864] unlink("./60/binderfs") = 0 [pid 5864] umount2("./60/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5863] <... umount2 resumed>) = 0 [pid 5863] umount2("./60/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] newfstatat(AT_FDCWD, "./60/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5863] umount2("./60/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] openat(AT_FDCWD, "./60/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5863] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5863] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5863] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5863] close(4) = 0 [ 232.373540][ T5865] [ 232.373540][ T5865] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 232.373540][ T5865] [ 232.387241][ T5864] [ 232.387241][ T5864] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 232.387241][ T5864] [pid 5863] rmdir("./60/bus") = 0 [pid 5863] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5863] close(3) = 0 [pid 5863] rmdir("./60") = 0 [pid 5863] mkdir("./61", 0777) = 0 [pid 5863] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5863] ioctl(3, LOOP_CLR_FD) = 0 [pid 5863] close(3 [pid 5865] <... umount2 resumed>) = 0 [pid 5865] umount2("./61/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./61/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] umount2("./61/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./61/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5865] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5865] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [ 232.414329][ T5864] [ 232.414329][ T5864] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 232.414329][ T5864] [pid 5865] close(4) = 0 [pid 5865] rmdir("./61/bus") = 0 [pid 5865] getdents64(3, [pid 5864] <... umount2 resumed>) = 0 [pid 5865] <... getdents64 resumed>0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5864] umount2("./60/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5865] close(3 [pid 5864] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5865] <... close resumed>) = 0 [pid 5864] newfstatat(AT_FDCWD, "./60/bus", [pid 5865] rmdir("./61" [pid 5864] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] <... rmdir resumed>) = 0 [pid 5864] umount2("./60/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5865] mkdir("./62", 0777 [pid 5864] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6684] <... write resumed>) = 16777216 [pid 5865] <... mkdir resumed>) = 0 [pid 5865] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6684] munmap(0x7f46d1a00000, 138412032 [pid 5865] <... openat resumed>) = 3 [pid 5864] openat(AT_FDCWD, "./60/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5865] ioctl(3, LOOP_CLR_FD [pid 5864] <... openat resumed>) = 4 [pid 5865] <... ioctl resumed>) = 0 [pid 5865] close(3 [pid 5864] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5864] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5864] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5864] close(4) = 0 [pid 6684] <... munmap resumed>) = 0 [pid 5864] rmdir("./60/bus") = 0 [pid 5864] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5864] close(3) = 0 [pid 5864] rmdir("./60" [pid 6684] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5864] <... rmdir resumed>) = 0 [pid 6684] <... openat resumed>) = 4 [pid 5864] mkdir("./61", 0777) = 0 [pid 6684] ioctl(4, LOOP_SET_FD, 3 [pid 5864] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5864] ioctl(3, LOOP_CLR_FD) = 0 [pid 5864] close(3 [pid 6684] <... ioctl resumed>) = 0 [pid 6684] close(3) = 0 [pid 6684] close(4) = 0 [ 232.578188][ T6684] loop3: detected capacity change from 0 to 32768 [pid 6684] mkdir("./bus", 0777) = 0 [pid 6684] mount("/dev/loop3", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 5863] <... close resumed>) = 0 [pid 5863] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6684] <... mount resumed>) = 0 [pid 6684] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5863] <... clone resumed>, child_tidptr=0x555566de8690) = 6689 [pid 6684] <... openat resumed>) = 3 [pid 6684] chdir("./bus"./strace-static-x86_64: Process 6689 attached ) = 0 [pid 6684] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6689] set_robust_list(0x555566de86a0, 24 [pid 6684] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6689] <... set_robust_list resumed>) = 0 [pid 6684] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6689] chdir("./61" [pid 6684] <... futex resumed>) = 1 [pid 6683] <... futex resumed>) = 0 [pid 6684] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6683] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6684] <... futex resumed>) = 0 [pid 6683] <... futex resumed>) = 1 [pid 6684] chdir("./file0") = 0 [pid 6683] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6689] <... chdir resumed>) = 0 [pid 6689] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6689] setpgid(0, 0) = 0 [pid 6689] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6684] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6689] <... openat resumed>) = 3 [pid 6684] <... futex resumed>) = 1 [pid 6683] <... futex resumed>) = 0 [pid 5865] <... close resumed>) = 0 [pid 6684] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6683] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6684] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6684] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6683] <... futex resumed>) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6683] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6689] write(3, "1000", 4) = 4 [ 232.743948][ T6684] [ 232.743948][ T6684] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 232.743948][ T6684] [pid 6689] close(3) = 0 [pid 6689] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6689] write(1, "executing program\n", 18) = 18 [pid 6689] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6689] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6689] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6689] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6689] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6686] <... write resumed>) = 16777216 [pid 6689] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 6690 attached [], 8) = 0 [pid 5865] <... clone resumed>, child_tidptr=0x555566de8690) = 6690 [pid 6689] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0}./strace-static-x86_64: Process 6691 attached => {parent_tid=[6691]}, 88) = 6691 [pid 6689] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6690] set_robust_list(0x555566de86a0, 24 [pid 6689] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6691] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6689] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6691] <... rseq resumed>) = 0 [pid 6686] munmap(0x7f46d1a00000, 138412032 [pid 6691] set_robust_list(0x7f46d9f419a0, 24) = 0 [pid 6690] <... set_robust_list resumed>) = 0 [pid 6691] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6691] memfd_create("syzkaller", 0 [pid 6690] chdir("./62") = 0 [pid 6684] <... open resumed>) = -1 EIO (Input/output error) [pid 6690] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6691] <... memfd_create resumed>) = 3 [pid 6684] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] <... close resumed>) = 0 [pid 6691] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6690] <... prctl resumed>) = 0 [pid 6684] <... futex resumed>) = 1 [pid 6683] <... futex resumed>) = 0 [pid 5864] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6691] <... mmap resumed>) = 0x7f46d1a00000 [pid 6690] setpgid(0, 0 [pid 6684] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6683] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6692 attached [pid 6690] <... setpgid resumed>) = 0 [pid 6684] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6683] <... futex resumed>) = 0 [pid 5864] <... clone resumed>, child_tidptr=0x555566de8690) = 6692 [pid 6692] set_robust_list(0x555566de86a0, 24 [pid 6683] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6692] <... set_robust_list resumed>) = 0 [pid 6690] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6684] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x7) [pid 6692] chdir("./61") = 0 [ 232.786138][ T6684] read_mapping_page failed! [ 232.790711][ T6684] ERROR: (device loop3): txCommit: [ 232.790711][ T6684] executing program [pid 6692] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6692] setpgid(0, 0) = 0 [pid 6692] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6692] write(3, "1000", 4) = 4 [pid 6692] close(3) = 0 [pid 6692] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6692] write(1, "executing program\n", 18) = 18 [pid 6692] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6692] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6692] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6692] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6692] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6692] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6692] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0}./strace-static-x86_64: Process 6693 attached [pid 6693] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6690] <... openat resumed>) = 3 [pid 6693] <... rseq resumed>) = 0 [pid 6692] <... clone3 resumed> => {parent_tid=[6693]}, 88) = 6693 [pid 6693] set_robust_list(0x7f46d9f419a0, 24 [pid 6692] rt_sigprocmask(SIG_SETMASK, [], [pid 6693] <... set_robust_list resumed>) = 0 [pid 6692] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6693] rt_sigprocmask(SIG_SETMASK, [], [pid 6692] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6693] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6692] <... futex resumed>) = 0 [pid 6693] memfd_create("syzkaller", 0 [pid 6692] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6693] <... memfd_create resumed>) = 3 [pid 6693] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 6690] write(3, "1000", 4 [pid 6686] <... munmap resumed>) = 0 [pid 6684] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6690] <... write resumed>) = 4 [pid 6686] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6684] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6690] close(3 [pid 6686] <... openat resumed>) = 4 [pid 6684] <... futex resumed>) = 1 [pid 6683] <... futex resumed>) = 0 [pid 6690] <... close resumed>) = 0 [pid 6686] ioctl(4, LOOP_SET_FD, 3 [pid 6684] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6683] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6690] symlink("/dev/binderfs", "./binderfs" [pid 6683] <... futex resumed>) = 0 [pid 6690] <... symlink resumed>) = 0 [pid 6683] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}executing program [pid 6690] write(1, "executing program\n", 18) = 18 [pid 6690] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6690] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6690] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6690] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6684] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6690] <... mmap resumed>) = 0x7f46d9f21000 [pid 6684] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6690] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6690] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6690] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0}./strace-static-x86_64: Process 6694 attached => {parent_tid=[6694]}, 88) = 6694 [pid 6690] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6690] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 232.842870][ T6684] read_mapping_page failed! [ 232.848124][ T6684] ERROR: (device loop3): txCommit: [ 232.848124][ T6684] [ 232.869512][ T6686] loop4: detected capacity change from 0 to 32768 [ 232.882451][ T6684] read_mapping_page failed! [pid 6690] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6694] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6686] <... ioctl resumed>) = 0 [pid 6694] <... rseq resumed>) = 0 [pid 6686] close(3 [pid 6694] set_robust_list(0x7f46d9f419a0, 24) = 0 [pid 6686] <... close resumed>) = 0 [pid 6694] rt_sigprocmask(SIG_SETMASK, [], [pid 6686] close(4 [pid 6694] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6686] <... close resumed>) = 0 [pid 6686] mkdir("./bus", 0777 [pid 6694] memfd_create("syzkaller", 0 [pid 6686] <... mkdir resumed>) = 0 [pid 6694] <... memfd_create resumed>) = 3 [pid 6686] mount("/dev/loop4", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6694] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 6684] <... openat resumed>) = -1 EIO (Input/output error) [pid 6683] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6684] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6684] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6683] exit_group(0) = ? [pid 6684] <... futex resumed>) = ? [pid 6686] <... mount resumed>) = 0 [pid 6686] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6686] chdir("./bus") = 0 [pid 6686] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6686] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6685] <... futex resumed>) = 0 [pid 6685] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6685] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6686] <... futex resumed>) = 1 [pid 6686] chdir("./file0" [pid 6684] +++ exited with 0 +++ [pid 6683] +++ exited with 0 +++ [pid 6686] <... chdir resumed>) = 0 [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6683, si_uid=0, si_status=0, si_utime=9 /* 0.09 s */, si_stime=23 /* 0.23 s */} --- [pid 5866] restart_syscall(<... resuming interrupted clone ...> [pid 6686] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6685] <... futex resumed>) = 0 [pid 6685] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6685] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6686] <... futex resumed>) = 1 [ 232.891215][ T6684] ERROR: (device loop3): txCommit: [ 232.891215][ T6684] [ 232.918983][ T6686] [ 232.918983][ T6686] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 232.918983][ T6686] [pid 6686] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 5866] <... restart_syscall resumed>) = 0 [pid 5866] umount2("./61", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] openat(AT_FDCWD, "./61", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5866] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5866] umount2("./61/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./61/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] unlink("./61/binderfs") = 0 [pid 5866] umount2("./61/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6686] <... open resumed>) = -1 EIO (Input/output error) [pid 6686] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6686] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6685] <... futex resumed>) = 0 [ 232.957420][ T6686] read_mapping_page failed! [ 232.962073][ T6686] ERROR: (device loop4): txCommit: [ 232.962073][ T6686] [ 232.994517][ T5866] [ 232.994517][ T5866] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 232.994517][ T5866] [pid 6685] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6686] <... futex resumed>) = 0 [pid 6685] <... futex resumed>) = 1 [pid 6686] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x9) [pid 6685] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6686] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6686] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6685] <... futex resumed>) = 0 [pid 6685] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 233.009524][ T6686] read_mapping_page failed! [ 233.017121][ T6686] ERROR: (device loop4): txCommit: [ 233.017121][ T6686] [ 233.033325][ T5866] [ 233.033325][ T5866] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 233.033325][ T5866] [pid 6685] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6686] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777) = -1 EIO (Input/output error) [pid 6686] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6685] <... futex resumed>) = 0 [pid 6685] exit_group(0) = ? [pid 6686] <... futex resumed>) = ? [pid 6686] +++ exited with 0 +++ [pid 6685] +++ exited with 0 +++ [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6685, si_uid=0, si_status=0, si_utime=12 /* 0.12 s */, si_stime=23 /* 0.23 s */} --- [pid 5867] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5867] umount2("./61", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./61", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5867] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5867] umount2("./61/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./61/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] unlink("./61/binderfs") = 0 [ 233.056061][ T6686] read_mapping_page failed! [ 233.060609][ T6686] ERROR: (device loop4): txCommit: [ 233.060609][ T6686] [pid 5867] umount2("./61/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5866] <... umount2 resumed>) = 0 [pid 5866] umount2("./61/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./61/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] umount2("./61/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] openat(AT_FDCWD, "./61/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5866] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5866] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5866] close(4) = 0 [pid 5866] rmdir("./61/bus") = 0 [pid 5866] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5866] close(3) = 0 [pid 5866] rmdir("./61") = 0 [pid 5866] mkdir("./62", 0777) = 0 [pid 5866] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5866] ioctl(3, LOOP_CLR_FD) = 0 [ 233.123842][ T5867] [ 233.123842][ T5867] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 233.123842][ T5867] [pid 5866] close(3 [ 233.173297][ T5867] [ 233.173297][ T5867] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 233.173297][ T5867] [pid 6691] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6693] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5867] <... umount2 resumed>) = 0 [pid 5867] umount2("./61/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./61/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] umount2("./61/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6694] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./61/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5867] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5867] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5867] close(4) = 0 [pid 5867] rmdir("./61/bus") = 0 [pid 5867] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5867] close(3) = 0 [pid 5867] rmdir("./61") = 0 [pid 5867] mkdir("./62", 0777) = 0 [pid 5867] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5867] ioctl(3, LOOP_CLR_FD) = 0 [pid 5867] close(3 [pid 5866] <... close resumed>) = 0 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6695 attached , child_tidptr=0x555566de8690) = 6695 [pid 6695] set_robust_list(0x555566de86a0, 24) = 0 [pid 6695] chdir("./62") = 0 [pid 6695] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6695] setpgid(0, 0) = 0 [pid 6695] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6695] write(3, "1000", 4) = 4 [pid 6695] close(3) = 0 [pid 6695] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6695] write(1, "executing program\n", 18executing program ) = 18 [pid 6695] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6695] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6695] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6695] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6695] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6695] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6695] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0}./strace-static-x86_64: Process 6696 attached => {parent_tid=[6696]}, 88) = 6696 [pid 6696] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6695] rt_sigprocmask(SIG_SETMASK, [], [pid 6696] <... rseq resumed>) = 0 [pid 6695] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6696] set_robust_list(0x7f46d9f419a0, 24 [pid 6695] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6696] <... set_robust_list resumed>) = 0 [pid 6695] <... futex resumed>) = 0 [pid 6695] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6696] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6696] memfd_create("syzkaller", 0) = 3 [pid 6696] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 5867] <... close resumed>) = 0 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6691] <... write resumed>) = 16777216 [pid 5867] <... clone resumed>, child_tidptr=0x555566de8690) = 6697 ./strace-static-x86_64: Process 6697 attached [pid 6697] set_robust_list(0x555566de86a0, 24) = 0 [pid 6697] chdir("./62") = 0 [pid 6697] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6691] munmap(0x7f46d1a00000, 138412032 [pid 6697] setpgid(0, 0) = 0 [pid 6697] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6697] write(3, "1000", 4) = 4 [pid 6697] close(3) = 0 [pid 6697] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6697] write(1, "executing program\n", 18executing program ) = 18 [pid 6697] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6697] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6697] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6697] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6697] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6697] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6697] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} => {parent_tid=[6698]}, 88) = 6698 [pid 6697] rt_sigprocmask(SIG_SETMASK, [], [pid 6691] <... munmap resumed>) = 0 [pid 6697] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6697] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 6698 attached [pid 6697] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6698] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053) = 0 [pid 6698] set_robust_list(0x7f46d9f419a0, 24) = 0 [pid 6698] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6698] memfd_create("syzkaller", 0 [pid 6693] <... write resumed>) = 16777216 [pid 6698] <... memfd_create resumed>) = 3 [pid 6693] munmap(0x7f46d1a00000, 138412032 [pid 6698] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 6691] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 6691] ioctl(4, LOOP_SET_FD, 3 [pid 6694] <... write resumed>) = 16777216 [pid 6691] <... ioctl resumed>) = 0 [pid 6691] close(3) = 0 [pid 6691] close(4) = 0 [pid 6691] mkdir("./bus", 0777) = 0 [ 233.653687][ T6691] loop0: detected capacity change from 0 to 32768 [pid 6694] munmap(0x7f46d1a00000, 138412032 [pid 6691] mount("/dev/loop0", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6693] <... munmap resumed>) = 0 [pid 6693] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 6693] ioctl(4, LOOP_SET_FD, 3 [pid 6694] <... munmap resumed>) = 0 [pid 6691] <... mount resumed>) = 0 [pid 6691] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6691] chdir("./bus") = 0 [pid 6691] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6693] <... ioctl resumed>) = 0 [pid 6691] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6691] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6693] close(3 [pid 6691] <... futex resumed>) = 1 [pid 6689] <... futex resumed>) = 0 [pid 6694] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6691] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6694] <... openat resumed>) = 4 [pid 6693] <... close resumed>) = 0 [pid 6689] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6694] ioctl(4, LOOP_SET_FD, 3 [pid 6693] close(4 [pid 6691] <... futex resumed>) = 0 [pid 6689] <... futex resumed>) = 1 [pid 6693] <... close resumed>) = 0 [pid 6691] chdir("./file0" [pid 6693] mkdir("./bus", 0777 [pid 6689] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6691] <... chdir resumed>) = 0 [pid 6691] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6691] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6693] <... mkdir resumed>) = 0 [pid 6689] <... futex resumed>) = 0 [pid 6689] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6691] <... futex resumed>) = 0 [pid 6689] <... futex resumed>) = 1 [pid 6691] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6689] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 233.697568][ T6691] [ 233.697568][ T6691] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 233.697568][ T6691] [ 233.715350][ T6693] loop1: detected capacity change from 0 to 32768 [ 233.736826][ T6694] loop2: detected capacity change from 0 to 32768 [pid 6693] mount("/dev/loop1", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6694] <... ioctl resumed>) = 0 [pid 6694] close(3) = 0 [pid 6694] close(4) = 0 [pid 6694] mkdir("./bus", 0777) = 0 [ 233.759105][ T6691] read_mapping_page failed! [ 233.773376][ T6691] ERROR: (device loop0): txCommit: [ 233.773376][ T6691] [pid 6694] mount("/dev/loop2", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6689] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6689] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6689] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f00000 [pid 6689] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6689] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6691] <... open resumed>) = -1 EIO (Input/output error) [pid 6689] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6691] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6689] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0} [pid 6691] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6699 attached [pid 6691] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6699] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053) = 0 [pid 6693] <... mount resumed>) = 0 [pid 6689] <... clone3 resumed> => {parent_tid=[6699]}, 88) = 6699 [pid 6699] set_robust_list(0x7f46d9f209a0, 24 [pid 6693] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6689] rt_sigprocmask(SIG_SETMASK, [], [pid 6699] <... set_robust_list resumed>) = 0 [pid 6693] <... openat resumed>) = 3 [pid 6689] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6699] rt_sigprocmask(SIG_SETMASK, [], [pid 6693] chdir("./bus" [pid 6689] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6699] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6693] <... chdir resumed>) = 0 [pid 6689] <... futex resumed>) = 0 [pid 6699] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x1) [pid 6693] openat(AT_FDCWD, "/dev/loop1", O_RDWR [ 233.803644][ T6693] [ 233.803644][ T6693] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 233.803644][ T6693] [ 233.805252][ T6694] [ 233.805252][ T6694] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 233.805252][ T6694] [pid 6689] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6693] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6693] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6693] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6692] <... futex resumed>) = 0 [pid 6693] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6692] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6693] chdir("./file0" [pid 6692] <... futex resumed>) = 0 [pid 6692] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6696] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6693] <... chdir resumed>) = 0 [pid 6694] <... mount resumed>) = 0 [pid 6694] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6694] chdir("./bus") = 0 [pid 6694] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6694] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6693] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6690] <... futex resumed>) = 0 [pid 6690] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6694] chdir("./file0" [pid 6690] <... futex resumed>) = 0 [pid 6694] <... chdir resumed>) = 0 [pid 6693] <... futex resumed>) = 1 [pid 6692] <... futex resumed>) = 0 [pid 6690] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6694] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6693] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6692] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6690] <... futex resumed>) = 0 [pid 6690] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 233.854160][ T6699] read_mapping_page failed! [ 233.865578][ T6699] ERROR: (device loop0): txCommit: [ 233.865578][ T6699] [pid 6690] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6694] <... futex resumed>) = 1 [pid 6692] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6689] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6699] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6699] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6694] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6689] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6699] <... futex resumed>) = 0 [pid 6691] <... futex resumed>) = 0 [pid 6689] <... futex resumed>) = 1 [pid 6699] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6689] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 233.906129][ T6693] read_mapping_page failed! [ 233.910903][ T6693] ERROR: (device loop1): txCommit: [ 233.910903][ T6693] [ 233.925730][ T6694] read_mapping_page failed! [ 233.930298][ T6694] ERROR: (device loop2): txCommit: [ 233.930298][ T6694] [ 233.943282][ T6691] read_mapping_page failed! [pid 6691] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6693] <... open resumed>) = -1 EIO (Input/output error) [pid 6692] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6691] <... openat resumed>) = -1 EIO (Input/output error) [pid 6690] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6689] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6694] <... open resumed>) = -1 EIO (Input/output error) [pid 6693] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6692] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6691] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6690] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6694] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6693] <... futex resumed>) = 0 [pid 6692] <... futex resumed>) = 0 [pid 6691] <... futex resumed>) = 0 [pid 6690] <... futex resumed>) = 0 [pid 6694] <... futex resumed>) = 0 [pid 6693] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6692] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6691] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6690] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6694] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6692] <... mmap resumed>) = 0x7f46d9f00000 [pid 6690] <... mmap resumed>) = 0x7f46d9f00000 [pid 6692] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE [pid 6690] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE [pid 6689] exit_group(0 [pid 6699] <... futex resumed>) = ? [pid 6692] <... mprotect resumed>) = 0 [pid 6691] <... futex resumed>) = ? [pid 6690] <... mprotect resumed>) = 0 [pid 6689] <... exit_group resumed>) = ? [pid 6699] +++ exited with 0 +++ [pid 6692] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6691] +++ exited with 0 +++ [pid 6690] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6690] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0} => {parent_tid=[6700]}, 88) = 6700 [pid 6692] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6690] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6690] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6690] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6692] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0}./strace-static-x86_64: Process 6701 attached ./strace-static-x86_64: Process 6700 attached [pid 6689] +++ exited with 0 +++ [pid 6701] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053 [pid 6700] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053 [pid 6692] <... clone3 resumed> => {parent_tid=[6701]}, 88) = 6701 [pid 5863] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6689, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=28 /* 0.28 s */} --- [pid 6700] <... rseq resumed>) = 0 [pid 6692] rt_sigprocmask(SIG_SETMASK, [], [pid 6700] set_robust_list(0x7f46d9f209a0, 24 [pid 6692] <... rt_sigprocmask resumed>NULL, 8) = 0 [ 233.954669][ T6691] ERROR: (device loop0): txCommit: [ 233.954669][ T6691] [pid 6701] <... rseq resumed>) = 0 [pid 6700] <... set_robust_list resumed>) = 0 [pid 6692] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] umount2("./61", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6700] rt_sigprocmask(SIG_SETMASK, [], [pid 6692] <... futex resumed>) = 0 [pid 6700] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6692] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6700] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x5) [pid 5863] openat(AT_FDCWD, "./61", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5863] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5863] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5863] umount2("./61/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] newfstatat(AT_FDCWD, "./61/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5863] unlink("./61/binderfs") = 0 [pid 5863] umount2("./61/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6701] set_robust_list(0x7f46d9f209a0, 24) = 0 [pid 6701] rt_sigprocmask(SIG_SETMASK, [], [pid 6690] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 234.014674][ T6700] read_mapping_page failed! [ 234.024179][ T5863] [ 234.024179][ T5863] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 234.024179][ T5863] [ 234.033175][ T6700] ERROR: (device loop2): txCommit: [ 234.033175][ T6700] [ 234.055844][ T6694] read_mapping_page failed! [pid 6690] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6694] <... futex resumed>) = 0 [pid 6690] <... futex resumed>) = 1 [pid 6694] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6690] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6701] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6701] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x3) [pid 6692] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6692] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6700] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6693] <... futex resumed>) = 0 [pid 6692] <... futex resumed>) = 1 [pid 6690] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6690] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 6694] <... openat resumed>) = -1 EIO (Input/output error) [pid 6693] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6692] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6700] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6701] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6700] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6694] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6690] exit_group(0 [pid 6701] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6700] <... futex resumed>) = ? [pid 6690] <... exit_group resumed>) = ? [pid 6701] <... futex resumed>) = 0 [pid 6700] +++ exited with 0 +++ [ 234.060407][ T6694] ERROR: (device loop2): txCommit: [ 234.060407][ T6694] [ 234.073543][ T6701] read_mapping_page failed! [ 234.078089][ T6701] ERROR: (device loop1): txCommit: [ 234.078089][ T6701] [ 234.079947][ T5863] [ 234.079947][ T5863] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 234.079947][ T5863] [pid 6701] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6694] <... futex resumed>) = ? [pid 6694] +++ exited with 0 +++ [pid 6690] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6690, si_uid=0, si_status=0, si_utime=9 /* 0.09 s */, si_stime=25 /* 0.25 s */} --- [pid 5865] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5865] umount2("./62", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./62", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5865] umount2("./62/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./62/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./62/binderfs") = 0 [ 234.126347][ T6693] read_mapping_page failed! [ 234.131692][ T6693] ERROR: (device loop1): txCommit: [ 234.131692][ T6693] [ 234.145524][ T5865] [ 234.145524][ T5865] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 234.145524][ T5865] [ 234.174328][ T5865] [pid 5865] umount2("./62/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6698] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5863] <... umount2 resumed>) = 0 [pid 6693] <... openat resumed>) = -1 EIO (Input/output error) [pid 6692] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6693] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5863] umount2("./61/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6693] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6692] exit_group(0 [pid 6701] <... futex resumed>) = ? [pid 6693] <... futex resumed>) = ? [pid 6692] <... exit_group resumed>) = ? [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6701] +++ exited with 0 +++ [pid 5863] newfstatat(AT_FDCWD, "./61/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5863] umount2("./61/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] openat(AT_FDCWD, "./61/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 6693] +++ exited with 0 +++ [pid 6692] +++ exited with 0 +++ [pid 5863] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5864] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6692, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=33 /* 0.33 s */} --- [pid 5863] getdents64(4, [pid 5864] restart_syscall(<... resuming interrupted clone ...> [pid 5863] <... getdents64 resumed>0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5863] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5863] close(4) = 0 [pid 5864] <... restart_syscall resumed>) = 0 [pid 5863] rmdir("./61/bus") = 0 [pid 5863] getdents64(3, [pid 5864] umount2("./61", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5863] <... getdents64 resumed>0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5864] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5863] close(3 [pid 5864] openat(AT_FDCWD, "./61", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5863] <... close resumed>) = 0 [pid 5864] <... openat resumed>) = 3 [pid 5863] rmdir("./61" [pid 5864] newfstatat(3, "", [pid 5863] <... rmdir resumed>) = 0 [pid 5864] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5863] mkdir("./62", 0777 [pid 5864] getdents64(3, [pid 5863] <... mkdir resumed>) = 0 [pid 5864] <... getdents64 resumed>0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5863] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5864] umount2("./61/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5863] <... openat resumed>) = 3 [pid 5865] <... umount2 resumed>) = 0 [pid 5864] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5863] ioctl(3, LOOP_CLR_FD [pid 5865] umount2("./62/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5864] newfstatat(AT_FDCWD, "./61/binderfs", [pid 5863] <... ioctl resumed>) = 0 [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5864] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 234.174328][ T5865] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 234.174328][ T5865] [pid 5863] close(3 [pid 5865] newfstatat(AT_FDCWD, "./62/bus", [pid 5864] unlink("./61/binderfs" [pid 5863] <... close resumed>) = 0 [pid 5864] <... unlink resumed>) = 0 [pid 5863] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6702 attached [pid 5864] umount2("./61/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6702] set_robust_list(0x555566de86a0, 24 [pid 5865] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5863] <... clone resumed>, child_tidptr=0x555566de8690) = 6702 [pid 6702] <... set_robust_list resumed>) = 0 [pid 5865] umount2("./62/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6702] chdir("./62" [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6702] <... chdir resumed>) = 0 [pid 5865] openat(AT_FDCWD, "./62/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6702] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5865] <... openat resumed>) = 4 [pid 6702] <... prctl resumed>) = 0 [pid 5865] newfstatat(4, "", [pid 6702] setpgid(0, 0 [pid 5865] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(4, [pid 6702] <... setpgid resumed>) = 0 [pid 5865] <... getdents64 resumed>0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5865] getdents64(4, [pid 6702] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5865] <... getdents64 resumed>0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5865] close(4) = 0 [pid 5865] rmdir("./62/bus" [pid 6702] <... openat resumed>) = 3 [pid 5865] <... rmdir resumed>) = 0 [pid 6702] write(3, "1000", 4 [pid 5865] getdents64(3, [pid 6702] <... write resumed>) = 4 [pid 5865] <... getdents64 resumed>0x555566de9730 /* 0 entries */, 32768) = 0 [pid 6702] close(3) = 0 [pid 5865] close(3 [pid 6702] symlink("/dev/binderfs", "./binderfs" [pid 5865] <... close resumed>) = 0 [pid 5865] rmdir("./62" [pid 6702] <... symlink resumed>) = 0 [pid 5865] <... rmdir resumed>) = 0 [pid 5865] mkdir("./63", 0777 [pid 6702] write(1, "executing program\n", 18 [pid 5865] <... mkdir resumed>) = 0 executing program [pid 6702] <... write resumed>) = 18 [pid 5865] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6702] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] <... openat resumed>) = 3 [pid 5865] ioctl(3, LOOP_CLR_FD [pid 6702] <... futex resumed>) = 0 [pid 6702] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, [pid 5865] <... ioctl resumed>) = 0 [pid 6702] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5865] close(3 [pid 6702] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [ 234.262728][ T5864] [ 234.262728][ T5864] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 234.262728][ T5864] [ 234.286393][ T5864] [ 234.286393][ T5864] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 234.286393][ T5864] [pid 6702] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5864] <... umount2 resumed>) = 0 [pid 6702] <... mmap resumed>) = 0x7f46d9f21000 [pid 6702] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE [pid 5864] umount2("./61/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6702] <... mprotect resumed>) = 0 [pid 5864] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5864] newfstatat(AT_FDCWD, "./61/bus", [pid 6702] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5864] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5864] umount2("./61/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6702] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5864] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5864] openat(AT_FDCWD, "./61/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6702] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} [pid 5864] <... openat resumed>) = 4 [pid 5864] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5864] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5864] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5864] close(4) = 0 [pid 5864] rmdir("./61/bus") = 0 [pid 5864] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5864] close(3) = 0 [pid 5864] rmdir("./61") = 0 [pid 5864] mkdir("./62", 0777) = 0 ./strace-static-x86_64: Process 6703 attached [pid 5864] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6703] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6702] <... clone3 resumed> => {parent_tid=[6703]}, 88) = 6703 [pid 6703] <... rseq resumed>) = 0 [pid 6703] set_robust_list(0x7f46d9f419a0, 24 [pid 6702] rt_sigprocmask(SIG_SETMASK, [], [pid 6703] <... set_robust_list resumed>) = 0 [pid 6702] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6703] rt_sigprocmask(SIG_SETMASK, [], [pid 6702] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] <... openat resumed>) = 3 [pid 6703] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6702] <... futex resumed>) = 0 [pid 6703] memfd_create("syzkaller", 0 [pid 6702] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5864] ioctl(3, LOOP_CLR_FD) = 0 [pid 6703] <... memfd_create resumed>) = 3 [pid 5864] close(3 [pid 6703] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 6696] <... write resumed>) = 16777216 [pid 6696] munmap(0x7f46d1a00000, 138412032) = 0 [pid 6696] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 6696] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6696] close(3) = 0 [ 234.508414][ T6696] loop3: detected capacity change from 0 to 32768 [pid 6696] close(4) = 0 [pid 6696] mkdir("./bus", 0777) = 0 [pid 6696] mount("/dev/loop3", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 5865] <... close resumed>) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6704 attached , child_tidptr=0x555566de8690) = 6704 [pid 6704] set_robust_list(0x555566de86a0, 24) = 0 [pid 6704] chdir("./63") = 0 [pid 6704] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6696] <... mount resumed>) = 0 [pid 6704] <... prctl resumed>) = 0 [pid 6696] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6704] setpgid(0, 0 [pid 6696] <... openat resumed>) = 3 [pid 6704] <... setpgid resumed>) = 0 [pid 6696] chdir("./bus" [pid 6704] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6696] <... chdir resumed>) = 0 [ 234.641245][ T6696] [ 234.641245][ T6696] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 234.641245][ T6696] [pid 6698] <... write resumed>) = 16777216 [pid 6704] <... openat resumed>) = 3 [pid 6696] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5864] <... close resumed>) = 0 [pid 6704] write(3, "1000", 4 [pid 6698] munmap(0x7f46d1a00000, 138412032 [pid 6696] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6704] <... write resumed>) = 4 [pid 6696] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6704] close(3 [pid 6696] <... futex resumed>) = 1 [pid 6695] <... futex resumed>) = 0 [pid 6696] chdir("./file0" executing program [pid 6695] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6704] <... close resumed>) = 0 [pid 6696] <... chdir resumed>) = 0 [pid 6695] <... futex resumed>) = 0 [pid 6704] symlink("/dev/binderfs", "./binderfs" [pid 6696] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6695] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6696] <... futex resumed>) = 0 [pid 6695] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6696] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6704] <... symlink resumed>) = 0 [pid 6695] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6704] write(1, "executing program\n", 18 [pid 6695] <... futex resumed>) = 1 [pid 6696] <... futex resumed>) = 0 [pid 6704] <... write resumed>) = 18 [pid 6696] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6695] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6704] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6705 attached [pid 6698] <... munmap resumed>) = 0 [pid 6705] set_robust_list(0x555566de86a0, 24 [pid 6704] <... futex resumed>) = 0 [pid 5864] <... clone resumed>, child_tidptr=0x555566de8690) = 6705 [pid 6705] <... set_robust_list resumed>) = 0 [pid 6704] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, [pid 6705] chdir("./62" [pid 6704] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6698] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6696] <... open resumed>) = -1 EIO (Input/output error) [pid 6705] <... chdir resumed>) = 0 [pid 6704] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6698] <... openat resumed>) = 4 [pid 6696] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6705] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6704] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6705] <... prctl resumed>) = 0 [pid 6696] <... futex resumed>) = 1 [pid 6695] <... futex resumed>) = 0 [pid 6705] setpgid(0, 0 [pid 6704] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6698] ioctl(4, LOOP_SET_FD, 3 [pid 6696] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6695] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6705] <... setpgid resumed>) = 0 [pid 6704] <... mmap resumed>) = 0x7f46d9f21000 [pid 6703] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216executing program [pid 6696] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6704] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE [pid 6695] <... futex resumed>) = 0 [pid 6695] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6704] <... mprotect resumed>) = 0 [pid 6696] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x7) [pid 6705] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6704] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6705] <... openat resumed>) = 3 [pid 6705] write(3, "1000", 4) = 4 [pid 6705] close(3) = 0 [pid 6705] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6705] write(1, "executing program\n", 18) = 18 [pid 6705] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6705] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6705] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6705] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6705] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6705] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6705] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0}./strace-static-x86_64: Process 6706 attached [pid 6704] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} [pid 6705] <... clone3 resumed> => {parent_tid=[6706]}, 88) = 6706 ./strace-static-x86_64: Process 6707 attached [pid 6707] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6705] rt_sigprocmask(SIG_SETMASK, [], [pid 6704] <... clone3 resumed> => {parent_tid=[6707]}, 88) = 6707 [pid 6707] <... rseq resumed>) = 0 [pid 6706] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6705] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6704] rt_sigprocmask(SIG_SETMASK, [], [pid 6706] <... rseq resumed>) = 0 [pid 6707] set_robust_list(0x7f46d9f419a0, 24 [pid 6705] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6704] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6707] <... set_robust_list resumed>) = 0 [pid 6706] set_robust_list(0x7f46d9f419a0, 24 [pid 6705] <... futex resumed>) = 0 [pid 6704] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6707] rt_sigprocmask(SIG_SETMASK, [], [pid 6706] <... set_robust_list resumed>) = 0 [pid 6705] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6704] <... futex resumed>) = 0 [pid 6706] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6704] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6706] memfd_create("syzkaller", 0) = 3 [pid 6698] <... ioctl resumed>) = 0 [pid 6707] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6706] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6698] close(3) = 0 [pid 6698] close(4) = 0 [pid 6698] mkdir("./bus", 0777) = 0 [pid 6706] <... mmap resumed>) = 0x7f46d1a00000 [ 234.727916][ T6696] read_mapping_page failed! [ 234.732534][ T6696] ERROR: (device loop3): txCommit: [ 234.732534][ T6696] [ 234.747344][ T6698] loop4: detected capacity change from 0 to 32768 [ 234.755550][ T6696] read_mapping_page failed! [ 234.761242][ T6696] ERROR: (device loop3): txCommit: [ 234.761242][ T6696] [pid 6698] mount("/dev/loop4", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6707] memfd_create("syzkaller", 0 [pid 6696] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6695] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6695] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6707] <... memfd_create resumed>) = 3 [pid 6696] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6695] <... futex resumed>) = 0 [pid 6707] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6696] <... futex resumed>) = 0 [pid 6695] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6707] <... mmap resumed>) = 0x7f46d1a00000 [pid 6695] <... mmap resumed>) = 0x7f46d9f00000 [pid 6696] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6695] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6695] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6695] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0}./strace-static-x86_64: Process 6708 attached [pid 6708] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053 [pid 6695] <... clone3 resumed> => {parent_tid=[6708]}, 88) = 6708 [pid 6708] <... rseq resumed>) = 0 [pid 6695] rt_sigprocmask(SIG_SETMASK, [], [pid 6708] set_robust_list(0x7f46d9f209a0, 24 [pid 6695] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6708] <... set_robust_list resumed>) = 0 [pid 6695] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6708] rt_sigprocmask(SIG_SETMASK, [], [pid 6695] <... futex resumed>) = 0 [pid 6708] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6695] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 234.802445][ T6698] [ 234.802445][ T6698] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 234.802445][ T6698] [ 234.820515][ T6708] read_mapping_page failed! [pid 6708] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6698] <... mount resumed>) = 0 [pid 6698] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6708] <... openat resumed>) = -1 EIO (Input/output error) [pid 6698] <... openat resumed>) = 3 [pid 6708] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6698] chdir("./bus" [pid 6708] <... futex resumed>) = 1 [pid 6698] <... chdir resumed>) = 0 [pid 6695] <... futex resumed>) = 0 [pid 6708] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6698] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6695] exit_group(0 [pid 6708] <... futex resumed>) = ? [pid 6698] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6696] <... futex resumed>) = ? [pid 6695] <... exit_group resumed>) = ? [pid 6708] +++ exited with 0 +++ [pid 6698] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6697] <... futex resumed>) = 0 [pid 6698] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6697] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6698] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6697] <... futex resumed>) = 0 [pid 6698] chdir("./file0" [pid 6697] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6696] +++ exited with 0 +++ [pid 6695] +++ exited with 0 +++ [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6695, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=26 /* 0.26 s */} --- [pid 5866] umount2("./62", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] openat(AT_FDCWD, "./62", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5866] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5866] umount2("./62/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./62/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] unlink("./62/binderfs") = 0 [ 234.843350][ T6708] ERROR: (device loop3): txCommit: [ 234.843350][ T6708] [ 234.883353][ T5866] [ 234.883353][ T5866] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 234.883353][ T5866] [pid 5866] umount2("./62/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6698] <... chdir resumed>) = 0 [pid 6698] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6697] <... futex resumed>) = 0 [pid 6697] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6698] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6697] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6698] <... open resumed>) = -1 EIO (Input/output error) [pid 6698] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6697] <... futex resumed>) = 0 [pid 6698] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6697] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6698] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6697] <... futex resumed>) = 0 [pid 6698] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x9) [ 234.904851][ T6698] read_mapping_page failed! [ 234.909676][ T6698] ERROR: (device loop4): txCommit: [ 234.909676][ T6698] [ 234.918057][ T5866] [ 234.918057][ T5866] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 234.918057][ T5866] [pid 6697] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6698] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6698] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] <... umount2 resumed>) = 0 [ 234.946666][ T6698] read_mapping_page failed! [ 234.951238][ T6698] ERROR: (device loop4): txCommit: [ 234.951238][ T6698] [pid 6698] <... futex resumed>) = 1 [pid 6697] <... futex resumed>) = 0 [pid 5866] umount2("./62/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6698] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6697] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6698] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6697] <... futex resumed>) = 0 [pid 5866] newfstatat(AT_FDCWD, "./62/bus", [pid 6698] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6697] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] umount2("./62/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] openat(AT_FDCWD, "./62/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5866] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5866] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5866] close(4) = 0 [pid 5866] rmdir("./62/bus" [pid 6698] <... openat resumed>) = -1 EIO (Input/output error) [pid 6698] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6697] <... futex resumed>) = 0 [pid 6697] exit_group(0) = ? [pid 6698] +++ exited with 0 +++ [pid 6697] +++ exited with 0 +++ [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6697, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=31 /* 0.31 s */} --- [pid 5867] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5867] umount2("./62", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 234.996526][ T6698] read_mapping_page failed! [ 235.002393][ T6698] ERROR: (device loop4): txCommit: [ 235.002393][ T6698] [pid 5867] openat(AT_FDCWD, "./62", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5866] <... rmdir resumed>) = 0 [pid 5867] <... openat resumed>) = 3 [pid 5867] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5866] getdents64(3, [pid 5867] umount2("./62/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5866] <... getdents64 resumed>0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5866] close(3 [pid 5867] newfstatat(AT_FDCWD, "./62/binderfs", [pid 5866] <... close resumed>) = 0 [pid 5867] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] rmdir("./62" [pid 5867] unlink("./62/binderfs" [pid 5866] <... rmdir resumed>) = 0 [pid 5866] mkdir("./63", 0777 [pid 6706] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5867] <... unlink resumed>) = 0 [pid 5867] umount2("./62/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5866] <... mkdir resumed>) = 0 [pid 6703] <... write resumed>) = 16777216 [pid 5866] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5866] ioctl(3, LOOP_CLR_FD) = 0 [pid 5866] close(3 [pid 6703] munmap(0x7f46d1a00000, 138412032) = 0 [pid 6703] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5867] <... umount2 resumed>) = 0 [pid 6703] <... openat resumed>) = 4 [pid 5867] umount2("./62/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6703] ioctl(4, LOOP_SET_FD, 3 [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 235.087840][ T5867] [ 235.087840][ T5867] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 235.087840][ T5867] [ 235.100115][ T5867] [ 235.100115][ T5867] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 235.100115][ T5867] [pid 5867] newfstatat(AT_FDCWD, "./62/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6703] <... ioctl resumed>) = 0 [pid 5867] umount2("./62/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6703] close(3 [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6703] <... close resumed>) = 0 [pid 5867] openat(AT_FDCWD, "./62/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6703] close(4 [pid 5867] <... openat resumed>) = 4 [pid 6703] <... close resumed>) = 0 [pid 5867] newfstatat(4, "", [pid 6703] mkdir("./bus", 0777 [pid 5867] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6703] <... mkdir resumed>) = 0 [pid 5867] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5867] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 6703] mount("/dev/loop0", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 5867] close(4) = 0 [ 235.144621][ T6703] loop0: detected capacity change from 0 to 32768 [pid 5867] rmdir("./62/bus") = 0 [pid 5867] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5867] close(3) = 0 [pid 5867] rmdir("./62") = 0 [pid 6707] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5867] mkdir("./63", 0777) = 0 [pid 5867] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5867] ioctl(3, LOOP_CLR_FD) = 0 [ 235.197626][ T6703] [ 235.197626][ T6703] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 235.197626][ T6703] [pid 5867] close(3 [pid 6703] <... mount resumed>) = 0 [pid 6703] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6703] chdir("./bus") = 0 [pid 6703] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6703] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6702] <... futex resumed>) = 0 [pid 6703] chdir("./file0" [pid 6702] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6703] <... chdir resumed>) = 0 [pid 6702] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6703] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6702] <... futex resumed>) = 0 [pid 6703] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6702] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 235.318390][ T6703] read_mapping_page failed! [pid 6702] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 6703] <... open resumed>) = -1 EIO (Input/output error) [pid 6702] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6703] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6702] <... futex resumed>) = 0 [pid 6703] <... futex resumed>) = 0 [pid 6702] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6703] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6702] <... mmap resumed>) = 0x7f46d9f00000 [pid 6702] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE) = 0 [ 235.340364][ T6703] ERROR: (device loop0): txCommit: [ 235.340364][ T6703] [pid 6702] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6702] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0}./strace-static-x86_64: Process 6709 attached [pid 6709] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053 [pid 6702] <... clone3 resumed> => {parent_tid=[6709]}, 88) = 6709 [pid 6709] <... rseq resumed>) = 0 [pid 6702] rt_sigprocmask(SIG_SETMASK, [], [pid 6709] set_robust_list(0x7f46d9f209a0, 24 [pid 6702] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6709] <... set_robust_list resumed>) = 0 [pid 6702] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6709] rt_sigprocmask(SIG_SETMASK, [], [pid 6702] <... futex resumed>) = 0 [pid 6709] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6702] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6709] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x1) [pid 5866] <... close resumed>) = 0 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6709] <... mknod resumed>) = -1 EIO (Input/output error) ./strace-static-x86_64: Process 6710 attached [pid 6709] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] <... clone resumed>, child_tidptr=0x555566de8690) = 6710 [pid 6709] <... futex resumed>) = 1 [pid 6702] <... futex resumed>) = 0 [pid 6709] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6702] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6710] set_robust_list(0x555566de86a0, 24 [pid 6703] <... futex resumed>) = 0 [pid 6710] <... set_robust_list resumed>) = 0 [pid 6702] <... futex resumed>) = 1 [pid 6710] chdir("./63" [pid 6703] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [ 235.405507][ T6709] read_mapping_page failed! [ 235.410314][ T6709] ERROR: (device loop0): txCommit: [ 235.410314][ T6709] [ 235.444395][ T6703] read_mapping_page failed! [ 235.448964][ T6703] ERROR: (device loop0): txCommit: [pid 6702] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6710] <... chdir resumed>) = 0 [pid 6710] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6703] <... openat resumed>) = -1 EIO (Input/output error) [pid 6710] setpgid(0, 0 [pid 6703] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6710] <... setpgid resumed>) = 0 [pid 6710] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6703] <... futex resumed>) = 1 [pid 6702] <... futex resumed>) = 0 [pid 6703] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6702] exit_group(0 [pid 6710] <... openat resumed>) = 3 [pid 6709] <... futex resumed>) = ? [pid 6703] <... futex resumed>) = ? [pid 6702] <... exit_group resumed>) = ? [pid 6710] write(3, "1000", 4 [pid 6709] +++ exited with 0 +++ [pid 6710] <... write resumed>) = 4 [pid 6703] +++ exited with 0 +++ [pid 6702] +++ exited with 0 +++ [pid 6710] close(3 [pid 5863] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6702, si_uid=0, si_status=0, si_utime=13 /* 0.13 s */, si_stime=29 /* 0.29 s */} --- [pid 6710] <... close resumed>) = 0 executing program [pid 6710] symlink("/dev/binderfs", "./binderfs" [pid 5863] umount2("./62", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] openat(AT_FDCWD, "./62", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6710] <... symlink resumed>) = 0 [pid 5863] <... openat resumed>) = 3 [pid 6710] write(1, "executing program\n", 18 [pid 5863] newfstatat(3, "", [pid 6710] <... write resumed>) = 18 [pid 6706] <... write resumed>) = 16777216 [pid 5863] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6710] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6706] munmap(0x7f46d1a00000, 138412032 [pid 5863] getdents64(3, [pid 6710] <... futex resumed>) = 0 [pid 5863] <... getdents64 resumed>0x555566de9730 /* 4 entries */, 32768) = 104 [pid 6710] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, [pid 5863] umount2("./62/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] newfstatat(AT_FDCWD, "./62/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5863] unlink("./62/binderfs") = 0 [pid 5863] umount2("./62/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6710] <... rt_sigaction resumed>NULL, 8) = 0 [ 235.448964][ T6703] [pid 6710] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6710] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6710] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6710] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6706] <... munmap resumed>) = 0 [pid 5867] <... close resumed>) = 0 [pid 6710] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6710] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} => {parent_tid=[6711]}, 88) = 6711 [pid 6710] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6710] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6710] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 6711 attached [pid 6711] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053) = 0 [pid 6711] set_robust_list(0x7f46d9f419a0, 24) = 0 [pid 6711] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6711] memfd_create("syzkaller", 0) = 3 [pid 6711] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6706] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6711] <... mmap resumed>) = 0x7f46d1a00000 [pid 6706] <... openat resumed>) = 4 [pid 6706] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 6712 attached [pid 6712] set_robust_list(0x555566de86a0, 24) = 0 [pid 6712] chdir("./63") = 0 [pid 6712] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6712] setpgid(0, 0) = 0 [ 235.494456][ T5863] [ 235.494456][ T5863] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 235.494456][ T5863] [ 235.515083][ T5863] [ 235.515083][ T5863] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 235.515083][ T5863] [pid 6712] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6712] write(3, "1000", 4executing program ) = 4 [pid 5867] <... clone resumed>, child_tidptr=0x555566de8690) = 6712 [pid 6712] close(3) = 0 [pid 6712] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6712] write(1, "executing program\n", 18) = 18 [pid 6712] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6712] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6712] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6712] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6712] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6712] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6706] <... ioctl resumed>) = 0 [pid 6712] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6712] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} => {parent_tid=[6713]}, 88) = 6713 [pid 6712] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6712] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6712] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 6713 attached [pid 6706] close(3 [pid 6713] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6706] <... close resumed>) = 0 [pid 6713] <... rseq resumed>) = 0 [pid 6706] close(4 [pid 6713] set_robust_list(0x7f46d9f419a0, 24) = 0 [pid 6706] <... close resumed>) = 0 [pid 6713] rt_sigprocmask(SIG_SETMASK, [], [pid 6706] mkdir("./bus", 0777 [pid 6713] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6713] memfd_create("syzkaller", 0) = 3 [pid 6713] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6706] <... mkdir resumed>) = 0 [pid 6713] <... mmap resumed>) = 0x7f46d1a00000 [ 235.538727][ T6706] loop1: detected capacity change from 0 to 32768 [pid 6706] mount("/dev/loop1", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 5863] <... umount2 resumed>) = 0 [pid 5863] umount2("./62/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] newfstatat(AT_FDCWD, "./62/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5863] umount2("./62/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] openat(AT_FDCWD, "./62/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5863] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5863] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5863] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5863] close(4) = 0 [pid 5863] rmdir("./62/bus") = 0 [pid 5863] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5863] close(3) = 0 [pid 5863] rmdir("./62") = 0 [pid 5863] mkdir("./63", 0777) = 0 [pid 5863] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 6706] <... mount resumed>) = 0 [pid 5863] ioctl(3, LOOP_CLR_FD) = 0 [pid 5863] close(3 [ 235.596706][ T6706] [ 235.596706][ T6706] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 235.596706][ T6706] [pid 6706] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6706] chdir("./bus" [pid 6707] <... write resumed>) = 16777216 [pid 6706] <... chdir resumed>) = 0 [pid 6706] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6707] munmap(0x7f46d1a00000, 138412032 [pid 6706] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6706] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6705] <... futex resumed>) = 0 [pid 6706] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6705] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6706] chdir("./file0" [pid 6705] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6706] <... chdir resumed>) = 0 [pid 6706] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6705] <... futex resumed>) = 0 [pid 6706] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6705] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6705] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6707] <... munmap resumed>) = 0 [pid 6707] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 6707] ioctl(4, LOOP_SET_FD, 3 [pid 6706] <... open resumed>) = -1 EIO (Input/output error) [pid 6707] <... ioctl resumed>) = 0 [pid 6706] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6705] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6707] close(3 [pid 6706] <... futex resumed>) = 0 [pid 6705] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6707] <... close resumed>) = 0 [pid 6706] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x3) [pid 6705] <... futex resumed>) = 0 [ 235.718484][ T6706] read_mapping_page failed! [ 235.723496][ T6706] ERROR: (device loop1): txCommit: [ 235.723496][ T6706] [ 235.743372][ T6707] loop2: detected capacity change from 0 to 32768 [pid 6707] close(4 [pid 6705] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6707] <... close resumed>) = 0 [pid 6707] mkdir("./bus", 0777) = 0 [pid 6706] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6707] mount("/dev/loop2", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6706] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6705] <... futex resumed>) = 0 [pid 6706] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6705] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6706] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6705] <... futex resumed>) = 0 [pid 6706] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [ 235.766394][ T6706] read_mapping_page failed! [ 235.770959][ T6706] ERROR: (device loop1): txCommit: [ 235.770959][ T6706] [pid 6705] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 6705] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 6706] <... openat resumed>) = -1 EIO (Input/output error) [pid 6706] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6705] exit_group(0) = ? [pid 6706] <... futex resumed>) = ? [pid 6707] <... mount resumed>) = 0 [pid 6706] +++ exited with 0 +++ [pid 6705] +++ exited with 0 +++ [pid 6707] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5864] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6705, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=31 /* 0.31 s */} --- [pid 5864] restart_syscall(<... resuming interrupted clone ...> [pid 6713] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6707] <... openat resumed>) = 3 [pid 5864] <... restart_syscall resumed>) = 0 [pid 5864] umount2("./62", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] openat(AT_FDCWD, "./62", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5864] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5864] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5864] umount2("./62/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6707] chdir("./bus" [pid 5864] newfstatat(AT_FDCWD, "./62/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6707] <... chdir resumed>) = 0 [pid 6707] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5864] unlink("./62/binderfs" [pid 6707] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5864] <... unlink resumed>) = 0 [pid 6707] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] umount2("./62/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6707] <... futex resumed>) = 1 [pid 6704] <... futex resumed>) = 0 [pid 6707] chdir("./file0" [pid 6704] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6707] <... chdir resumed>) = 0 [ 235.815767][ T6706] read_mapping_page failed! [ 235.820349][ T6706] ERROR: (device loop1): txCommit: [ 235.820349][ T6706] [ 235.837140][ T6707] [ 235.837140][ T6707] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 235.837140][ T6707] [pid 6704] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6707] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6704] <... futex resumed>) = 0 [pid 6704] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6704] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 235.894610][ T5864] [ 235.894610][ T5864] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 235.894610][ T5864] [ 235.926630][ T6707] read_mapping_page failed! [ 235.926917][ T5864] [ 235.926917][ T5864] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 235.926917][ T5864] [pid 6707] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6704] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6711] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6704] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6704] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f00000 [pid 6704] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE) = 0 [ 235.931183][ T6707] ERROR: (device loop2): txCommit: [ 235.931183][ T6707] [pid 6704] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6704] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0}./strace-static-x86_64: Process 6714 attached => {parent_tid=[6714]}, 88) = 6714 [pid 6704] rt_sigprocmask(SIG_SETMASK, [], [pid 6714] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053 [pid 6707] <... open resumed>) = -1 EIO (Input/output error) [pid 6704] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5864] <... umount2 resumed>) = 0 [pid 6714] <... rseq resumed>) = 0 [pid 5864] umount2("./62/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6714] set_robust_list(0x7f46d9f209a0, 24 [pid 6707] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6704] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6714] <... set_robust_list resumed>) = 0 [pid 6707] <... futex resumed>) = 0 [pid 6704] <... futex resumed>) = 0 [pid 5864] newfstatat(AT_FDCWD, "./62/bus", [pid 6714] rt_sigprocmask(SIG_SETMASK, [], [pid 6707] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5864] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6714] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5864] umount2("./62/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6714] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x5) [pid 5864] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5864] openat(AT_FDCWD, "./62/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5864] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5864] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5864] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5864] close(4) = 0 [pid 5864] rmdir("./62/bus") = 0 [pid 5864] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5864] close(3) = 0 [pid 5864] rmdir("./62") = 0 [pid 5864] mkdir("./63", 0777 [pid 5863] <... close resumed>) = 0 [pid 5864] <... mkdir resumed>) = 0 [pid 5864] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5864] ioctl(3, LOOP_CLR_FD) = 0 [pid 5864] close(3 [pid 6704] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5863] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6715 attached , child_tidptr=0x555566de8690) = 6715 [ 236.006325][ T6714] read_mapping_page failed! [ 236.023272][ T6714] ERROR: (device loop2): txCommit: [ 236.023272][ T6714] [pid 6715] set_robust_list(0x555566de86a0, 24 [pid 6714] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6714] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6715] <... set_robust_list resumed>) = 0 [pid 6714] <... futex resumed>) = 1 [pid 6704] <... futex resumed>) = 0 [pid 6704] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6714] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6707] <... futex resumed>) = 0 [pid 6704] <... futex resumed>) = 1 [pid 6707] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6704] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6715] chdir("./63") = 0 [pid 6715] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6715] setpgid(0, 0) = 0 [pid 6715] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6715] write(3, "1000", 4) = 4 [pid 6715] close(3) = 0 [pid 6715] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6715] write(1, "executing program\n", 18) = 18 [pid 6715] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6715] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6715] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6715] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6715] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6715] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6715] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} => {parent_tid=[6716]}, 88) = 6716 ./strace-static-x86_64: Process 6716 attached [pid 6715] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6715] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6715] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6716] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053) = 0 [pid 6716] set_robust_list(0x7f46d9f419a0, 24) = 0 [pid 6716] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6716] memfd_create("syzkaller", 0) = 3 [pid 6716] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 6707] <... openat resumed>) = -1 EIO (Input/output error) [pid 6704] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6707] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6707] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6704] exit_group(0 [pid 6707] <... futex resumed>) = ? [pid 6714] <... futex resumed>) = ? [pid 6704] <... exit_group resumed>) = ? [pid 6707] +++ exited with 0 +++ [pid 6714] +++ exited with 0 +++ [pid 6704] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6704, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=33 /* 0.33 s */} --- [ 236.053358][ T6707] read_mapping_page failed! [ 236.062165][ T6707] ERROR: (device loop2): txCommit: [ 236.062165][ T6707] [pid 5865] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5865] umount2("./63", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./63", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5865] umount2("./63/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./63/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./63/binderfs") = 0 [ 236.153816][ T5865] [ 236.153816][ T5865] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 236.153816][ T5865] [ 236.193508][ T5865] [ 236.193508][ T5865] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 236.193508][ T5865] [pid 5865] umount2("./63/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 5865] umount2("./63/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./63/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] umount2("./63/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./63/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5865] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5865] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5865] close(4) = 0 [pid 5865] rmdir("./63/bus") = 0 [pid 5865] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./63") = 0 [pid 5865] mkdir("./64", 0777) = 0 [pid 5865] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6713] <... write resumed>) = 16777216 [pid 5865] <... openat resumed>) = 3 [pid 5865] ioctl(3, LOOP_CLR_FD) = 0 [pid 5865] close(3 [pid 6713] munmap(0x7f46d1a00000, 138412032 [pid 6716] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6713] <... munmap resumed>) = 0 [pid 6713] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 6713] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5864] <... close resumed>) = 0 [pid 6713] close(3 [pid 5864] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6713] <... close resumed>) = 0 ./strace-static-x86_64: Process 6717 attached [pid 6713] close(4 [pid 6717] set_robust_list(0x555566de86a0, 24) = 0 [pid 5864] <... clone resumed>, child_tidptr=0x555566de8690) = 6717 [pid 6717] chdir("./63") = 0 [pid 6713] <... close resumed>) = 0 [pid 6717] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6713] mkdir("./bus", 0777 [pid 6717] <... prctl resumed>) = 0 [pid 6717] setpgid(0, 0) = 0 [pid 6713] <... mkdir resumed>) = 0 [pid 6717] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6717] write(3, "1000", 4 [pid 6713] mount("/dev/loop4", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6717] <... write resumed>) = 4 [ 236.365374][ T6713] loop4: detected capacity change from 0 to 32768 [pid 6717] close(3 [pid 6711] <... write resumed>) = 16777216 [pid 6711] munmap(0x7f46d1a00000, 138412032 [pid 6717] <... close resumed>) = 0 [pid 6717] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6717] write(1, "executing program\n", 18executing program ) = 18 [pid 6717] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6713] <... mount resumed>) = 0 [pid 6717] <... futex resumed>) = 0 [pid 6717] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, [pid 6713] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6717] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6717] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6713] <... openat resumed>) = 3 [pid 6717] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6717] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6713] chdir("./bus" [pid 6717] <... mmap resumed>) = 0x7f46d9f21000 [pid 6713] <... chdir resumed>) = 0 [pid 6717] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE [pid 6713] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6717] <... mprotect resumed>) = 0 [pid 6713] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6717] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6713] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6717] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6717] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} [pid 6713] <... futex resumed>) = 1 [pid 6712] <... futex resumed>) = 0 [pid 6713] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6712] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6717] <... clone3 resumed> => {parent_tid=[6718]}, 88) = 6718 [pid 6713] <... futex resumed>) = 0 [pid 6712] <... futex resumed>) = 1 [pid 6717] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6713] chdir("./file0" [pid 6712] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6717] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 236.434236][ T6713] [ 236.434236][ T6713] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 236.434236][ T6713] [pid 6717] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6711] <... munmap resumed>) = 0 ./strace-static-x86_64: Process 6718 attached [pid 6713] <... chdir resumed>) = 0 [pid 6713] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6718] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6713] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6718] <... rseq resumed>) = 0 [pid 6711] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6718] set_robust_list(0x7f46d9f419a0, 24 [pid 6711] <... openat resumed>) = 4 [pid 6718] <... set_robust_list resumed>) = 0 [pid 6711] ioctl(4, LOOP_SET_FD, 3 [pid 6718] rt_sigprocmask(SIG_SETMASK, [], [pid 6711] <... ioctl resumed>) = 0 [pid 6718] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6718] memfd_create("syzkaller", 0 [pid 6712] <... futex resumed>) = 0 [pid 6718] <... memfd_create resumed>) = 3 [pid 6718] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 6712] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6713] <... futex resumed>) = 0 [pid 6712] <... futex resumed>) = 1 [pid 6713] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6712] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5865] <... close resumed>) = 0 [pid 6711] close(3 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6711] <... close resumed>) = 0 [pid 6711] close(4) = 0 [pid 6711] mkdir("./bus", 0777) = 0 [pid 6711] mount("/dev/loop3", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic,"./strace-static-x86_64: Process 6719 attached [pid 5865] <... clone resumed>, child_tidptr=0x555566de8690) = 6719 [pid 6719] set_robust_list(0x555566de86a0, 24 [pid 6713] <... open resumed>) = -1 EIO (Input/output error) [pid 6713] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6713] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6712] <... futex resumed>) = 0 [pid 6719] <... set_robust_list resumed>) = 0 [pid 6712] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6713] <... futex resumed>) = 0 [pid 6712] <... futex resumed>) = 1 [pid 6713] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x9) [pid 6719] chdir("./64" [ 236.495160][ T6711] loop3: detected capacity change from 0 to 32768 [ 236.510690][ T6713] read_mapping_page failed! [ 236.530351][ T6713] ERROR: (device loop4): txCommit: [ 236.530351][ T6713] [pid 6712] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6719] <... chdir resumed>) = 0 [pid 6719] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6719] setpgid(0, 0) = 0 [pid 6719] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6719] write(3, "1000", 4) = 4 [pid 6719] close(3 [pid 6712] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6712] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6719] <... close resumed>) = 0 [pid 6712] <... futex resumed>) = 0 [pid 6712] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f00000 [pid 6712] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE [pid 6711] <... mount resumed>) = 0 [pid 6711] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6712] <... mprotect resumed>) = 0 [pid 6711] <... openat resumed>) = 3 [pid 6711] chdir("./bus" [pid 6712] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6711] <... chdir resumed>) = 0 [pid 6712] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0} [pid 6711] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) ./strace-static-x86_64: Process 6720 attached [pid 6712] <... clone3 resumed> => {parent_tid=[6720]}, 88) = 6720 [pid 6712] rt_sigprocmask(SIG_SETMASK, [], [pid 6719] symlink("/dev/binderfs", "./binderfs" [pid 6711] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6720] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053 [pid 6712] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6712] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6711] <... futex resumed>) = 1 [pid 6710] <... futex resumed>) = 0 [pid 6720] <... rseq resumed>) = 0 [pid 6712] <... futex resumed>) = 0 [pid 6711] chdir("./file0" [pid 6710] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6712] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6710] <... futex resumed>) = 0 [pid 6710] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6720] set_robust_list(0x7f46d9f209a0, 24 [pid 6719] <... symlink resumed>) = 0 [pid 6713] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6711] <... chdir resumed>) = 0 [pid 6720] <... set_robust_list resumed>) = 0 [pid 6720] rt_sigprocmask(SIG_SETMASK, [], [pid 6713] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6711] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 6720] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6719] write(1, "executing program\n", 18 [pid 6720] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6719] <... write resumed>) = 18 [pid 6711] <... futex resumed>) = 1 [pid 6710] <... futex resumed>) = 0 [pid 6710] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6710] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6713] <... futex resumed>) = 0 [ 236.562749][ T6713] read_mapping_page failed! [ 236.576259][ T6711] [ 236.576259][ T6711] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 236.576259][ T6711] [ 236.593242][ T6713] ERROR: (device loop4): txCommit: [ 236.593242][ T6713] [pid 6711] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6719] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6713] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6719] <... futex resumed>) = 0 [pid 6719] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6719] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6720] <... openat resumed>) = -1 EIO (Input/output error) [pid 6719] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6720] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6719] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6719] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE [pid 6720] <... futex resumed>) = 1 [pid 6712] <... futex resumed>) = 0 [pid 6719] <... mprotect resumed>) = 0 [pid 6712] exit_group(0 [pid 6719] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6712] <... exit_group resumed>) = ? [pid 6713] <... futex resumed>) = ? [pid 6713] +++ exited with 0 +++ [pid 6719] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} [pid 6711] <... open resumed>) = -1 EIO (Input/output error) [pid 6711] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6721 attached [pid 6719] <... clone3 resumed> => {parent_tid=[6721]}, 88) = 6721 [pid 6720] +++ exited with 0 +++ [ 236.625851][ T6720] read_mapping_page failed! [ 236.631842][ T6711] read_mapping_page failed! [ 236.641541][ T6720] ERROR: (device loop4): txCommit: [ 236.641541][ T6720] [ 236.649355][ T6711] ERROR: (device loop3): txCommit: [ 236.649355][ T6711] [pid 6719] rt_sigprocmask(SIG_SETMASK, [], [pid 6712] +++ exited with 0 +++ [pid 6711] <... futex resumed>) = 1 [pid 6710] <... futex resumed>) = 0 [pid 6719] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6710] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6712, si_uid=0, si_status=0, si_utime=10 /* 0.10 s */, si_stime=28 /* 0.28 s */} --- [pid 6719] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6710] <... futex resumed>) = 0 [pid 6719] <... futex resumed>) = 0 [pid 6710] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6719] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6721] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6711] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x7) [pid 6721] <... rseq resumed>) = 0 [pid 5867] umount2("./63", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6721] set_robust_list(0x7f46d9f419a0, 24) = 0 [pid 6711] <... mknod resumed>) = -1 EIO (Input/output error) [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6721] rt_sigprocmask(SIG_SETMASK, [], [pid 6711] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] openat(AT_FDCWD, "./63", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6721] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6711] <... futex resumed>) = 1 [pid 6710] <... futex resumed>) = 0 [pid 6721] memfd_create("syzkaller", 0 [pid 6711] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6710] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] <... openat resumed>) = 3 [pid 6721] <... memfd_create resumed>) = 3 [pid 6711] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6710] <... futex resumed>) = 0 [pid 6721] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6711] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6710] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6721] <... mmap resumed>) = 0x7f46d1a00000 [pid 6716] <... write resumed>) = 16777216 [ 236.682414][ T6711] read_mapping_page failed! [ 236.693068][ T6711] ERROR: (device loop3): txCommit: [ 236.693068][ T6711] [ 236.718681][ T6711] read_mapping_page failed! [pid 5867] newfstatat(3, "", [pid 6716] munmap(0x7f46d1a00000, 138412032 [pid 5867] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(3, [pid 6711] <... openat resumed>) = -1 EIO (Input/output error) [pid 6716] <... munmap resumed>) = 0 [pid 5867] <... getdents64 resumed>0x555566de9730 /* 4 entries */, 32768) = 104 [pid 6711] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6716] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5867] umount2("./63/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6711] <... futex resumed>) = 1 [pid 6710] <... futex resumed>) = 0 [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6711] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6710] exit_group(0 [pid 5867] newfstatat(AT_FDCWD, "./63/binderfs", [pid 6711] <... futex resumed>) = ? [pid 6710] <... exit_group resumed>) = ? [pid 6716] <... openat resumed>) = 4 [pid 6711] +++ exited with 0 +++ [pid 6710] +++ exited with 0 +++ [pid 5867] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6716] ioctl(4, LOOP_SET_FD, 3 [pid 5867] unlink("./63/binderfs") = 0 [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6710, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=26 /* 0.26 s */} --- [pid 5867] umount2("./63/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5866] restart_syscall(<... resuming interrupted clone ...>) = 0 [ 236.733840][ T6711] ERROR: (device loop3): txCommit: [ 236.733840][ T6711] [ 236.768354][ T6716] loop0: detected capacity change from 0 to 32768 [ 236.778173][ T5867] [ 236.778173][ T5867] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 236.778173][ T5867] [pid 6718] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6716] <... ioctl resumed>) = 0 [pid 5866] umount2("./63", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6716] close(3 [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6716] <... close resumed>) = 0 [pid 5866] openat(AT_FDCWD, "./63", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6716] close(4) = 0 [pid 6716] mkdir("./bus", 0777 [pid 5866] <... openat resumed>) = 3 [pid 6716] <... mkdir resumed>) = 0 [pid 5866] newfstatat(3, "", [pid 6716] mount("/dev/loop0", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 5866] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5866] umount2("./63/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./63/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] unlink("./63/binderfs") = 0 [pid 5866] umount2("./63/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5867] <... umount2 resumed>) = 0 [pid 5867] umount2("./63/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./63/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] umount2("./63/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./63/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5867] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5867] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5867] close(4) = 0 [pid 5867] rmdir("./63/bus") = 0 [pid 5867] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5867] close(3) = 0 [pid 5867] rmdir("./63") = 0 [pid 5867] mkdir("./64", 0777) = 0 [pid 5867] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5867] ioctl(3, LOOP_CLR_FD) = 0 [ 236.805127][ T5867] [ 236.805127][ T5867] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 236.805127][ T5867] [ 236.829415][ T5866] [ 236.829415][ T5866] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 236.829415][ T5866] [pid 5867] close(3 [pid 6716] <... mount resumed>) = 0 [pid 6716] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6716] chdir("./bus") = 0 [pid 6716] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6716] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] <... umount2 resumed>) = 0 [pid 6716] <... futex resumed>) = 1 [pid 6715] <... futex resumed>) = 0 [pid 6716] chdir("./file0" [pid 6715] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6715] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6716] <... chdir resumed>) = 0 [ 236.893539][ T5866] [ 236.893539][ T5866] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 236.893539][ T5866] [ 236.905158][ T6716] [ 236.905158][ T6716] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 236.905158][ T6716] [pid 6716] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] umount2("./63/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6716] <... futex resumed>) = 1 [pid 6715] <... futex resumed>) = 0 [pid 6715] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6716] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6715] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] newfstatat(AT_FDCWD, "./63/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] umount2("./63/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] openat(AT_FDCWD, "./63/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5866] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5866] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5866] close(4) = 0 [pid 5866] rmdir("./63/bus" [pid 6716] <... open resumed>) = -1 EIO (Input/output error) [pid 5866] <... rmdir resumed>) = 0 [pid 6716] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] getdents64(3, [pid 6716] <... futex resumed>) = 1 [pid 6715] <... futex resumed>) = 0 [pid 5866] <... getdents64 resumed>0x555566de9730 /* 0 entries */, 32768) = 0 [ 236.961140][ T6716] read_mapping_page failed! [ 236.978844][ T6716] ERROR: (device loop0): txCommit: [ 236.978844][ T6716] [pid 6716] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6715] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] close(3 [pid 6716] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6716] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x1) [pid 6715] <... futex resumed>) = 0 [pid 5866] <... close resumed>) = 0 [pid 5866] rmdir("./63" [pid 6715] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] <... rmdir resumed>) = 0 [pid 5866] mkdir("./64", 0777) = 0 [pid 5866] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6716] <... mknod resumed>) = -1 EIO (Input/output error) [pid 5866] <... openat resumed>) = 3 [pid 5866] ioctl(3, LOOP_CLR_FD) = 0 [pid 5866] close(3 [pid 6715] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 237.011887][ T6716] read_mapping_page failed! [ 237.023742][ T6716] ERROR: (device loop0): txCommit: [ 237.023742][ T6716] [pid 6715] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6715] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f00000 [pid 6721] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6715] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE [pid 6716] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6715] <... mprotect resumed>) = 0 [pid 6716] <... futex resumed>) = 0 [pid 6715] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6716] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6715] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6715] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0}./strace-static-x86_64: Process 6722 attached [pid 6722] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053) = 0 [pid 6722] set_robust_list(0x7f46d9f209a0, 24) = 0 [pid 6722] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6722] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6715] <... clone3 resumed> => {parent_tid=[6722]}, 88) = 6722 [pid 6715] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6715] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6722] <... futex resumed>) = 0 [pid 6715] <... futex resumed>) = 1 [pid 6722] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6715] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6722] <... openat resumed>) = -1 EIO (Input/output error) [pid 6722] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6715] <... futex resumed>) = 0 [pid 6715] exit_group(0) = ? [pid 6716] <... futex resumed>) = ? [pid 6716] +++ exited with 0 +++ [pid 5867] <... close resumed>) = 0 [pid 6722] +++ exited with 0 +++ [pid 6715] +++ exited with 0 +++ [pid 5863] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6715, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=27 /* 0.27 s */} --- [ 237.110186][ T6722] read_mapping_page failed! [ 237.119702][ T6722] ERROR: (device loop0): txCommit: [ 237.119702][ T6722] [pid 5863] umount2("./63", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] openat(AT_FDCWD, "./63", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5863] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5863] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5863] umount2("./63/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] newfstatat(AT_FDCWD, "./63/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5863] unlink("./63/binderfs" [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5863] <... unlink resumed>) = 0 [pid 5863] umount2("./63/bus", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6723 attached [pid 6723] set_robust_list(0x555566de86a0, 24) = 0 [pid 6723] chdir("./64") = 0 [pid 6723] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6723] setpgid(0, 0 [pid 5867] <... clone resumed>, child_tidptr=0x555566de8690) = 6723 [pid 6723] <... setpgid resumed>) = 0 [pid 6723] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6723] write(3, "1000", 4) = 4 [pid 6723] close(3) = 0 [pid 6723] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6723] write(1, "executing program\n", 18executing program ) = 18 [pid 6723] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6723] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6723] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6723] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6723] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6723] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6723] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0}./strace-static-x86_64: Process 6724 attached [pid 6724] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6723] <... clone3 resumed> => {parent_tid=[6724]}, 88) = 6724 [pid 6724] <... rseq resumed>) = 0 [pid 6723] rt_sigprocmask(SIG_SETMASK, [], [pid 6724] set_robust_list(0x7f46d9f419a0, 24 [pid 6723] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6724] <... set_robust_list resumed>) = 0 [pid 6723] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6724] rt_sigprocmask(SIG_SETMASK, [], [pid 6723] <... futex resumed>) = 0 [pid 6723] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6724] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6724] memfd_create("syzkaller", 0) = 3 [pid 6724] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 6718] <... write resumed>) = 16777216 [pid 5863] <... umount2 resumed>) = 0 [pid 6718] munmap(0x7f46d1a00000, 138412032 [ 237.208951][ T5863] [ 237.208951][ T5863] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 237.208951][ T5863] [ 237.243216][ T5863] [ 237.243216][ T5863] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 237.243216][ T5863] [pid 5863] umount2("./63/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6718] <... munmap resumed>) = 0 [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5863] newfstatat(AT_FDCWD, "./63/bus", [pid 6718] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5863] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6718] ioctl(4, LOOP_SET_FD, 3 [pid 5863] umount2("./63/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] openat(AT_FDCWD, "./63/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5863] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5863] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5863] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5863] close(4) = 0 [pid 5863] rmdir("./63/bus") = 0 [pid 5863] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5863] close(3 [pid 6718] <... ioctl resumed>) = 0 [pid 5863] <... close resumed>) = 0 [pid 6718] close(3 [pid 5863] rmdir("./63") = 0 [pid 5863] mkdir("./64", 0777) = 0 [pid 5863] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5863] ioctl(3, LOOP_CLR_FD [pid 6718] <... close resumed>) = 0 [pid 5863] <... ioctl resumed>) = 0 [pid 6718] close(4 [pid 5863] close(3 [pid 6718] <... close resumed>) = 0 [pid 6718] mkdir("./bus", 0777 [pid 6721] <... write resumed>) = 16777216 [ 237.299021][ T6718] loop1: detected capacity change from 0 to 32768 [pid 6721] munmap(0x7f46d1a00000, 138412032) = 0 [pid 6718] <... mkdir resumed>) = 0 [pid 6721] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6718] mount("/dev/loop1", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6721] <... openat resumed>) = 4 [pid 6721] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6721] close(3) = 0 [pid 6721] close(4) = 0 [pid 6721] mkdir("./bus", 0777) = 0 [pid 6721] mount("/dev/loop2", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 5866] <... close resumed>) = 0 [ 237.386509][ T6721] loop2: detected capacity change from 0 to 32768 [ 237.409402][ T6718] [ 237.409402][ T6718] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 237.409402][ T6718] [pid 6718] <... mount resumed>) = 0 [pid 6718] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6718] chdir("./bus") = 0 [pid 6718] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6718] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6717] <... futex resumed>) = 0 [pid 6718] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6717] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6718] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6718] chdir("./file0" [pid 6717] <... futex resumed>) = 0 [pid 6717] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6718] <... chdir resumed>) = 0 ./strace-static-x86_64: Process 6725 attached [pid 6725] set_robust_list(0x555566de86a0, 24) = 0 [pid 5866] <... clone resumed>, child_tidptr=0x555566de8690) = 6725 [pid 6725] chdir("./64") = 0 [pid 6725] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6725] setpgid(0, 0) = 0 [pid 6725] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6725] write(3, "1000", 4) = 4 [pid 6725] close(3) = 0 [pid 6725] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6721] <... mount resumed>) = 0 [pid 6721] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6725] write(1, "executing program\n", 18 [pid 6718] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 6725] <... write resumed>) = 18 [pid 6721] <... openat resumed>) = 3 [pid 6718] <... futex resumed>) = 1 [pid 6717] <... futex resumed>) = 0 [pid 6725] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6717] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6725] <... futex resumed>) = 0 [pid 6721] chdir("./bus" [pid 6718] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6717] <... futex resumed>) = 0 [pid 6725] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, [pid 6721] <... chdir resumed>) = 0 [pid 6717] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6725] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6725] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6721] openat(AT_FDCWD, "/dev/loop2", O_RDWR [ 237.467106][ T6721] [ 237.467106][ T6721] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 237.467106][ T6721] [pid 6725] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6721] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6725] <... mmap resumed>) = 0x7f46d9f21000 [pid 6725] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE [pid 6721] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6725] <... mprotect resumed>) = 0 [pid 6725] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6721] <... futex resumed>) = 1 [pid 6719] <... futex resumed>) = 0 [pid 6721] chdir("./file0" [pid 6719] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6719] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6721] <... chdir resumed>) = 0 [pid 6725] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6721] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6719] <... futex resumed>) = 0 [pid 6719] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6719] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6721] <... futex resumed>) = 1 [pid 6721] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6725] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0}./strace-static-x86_64: Process 6726 attached [pid 6726] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053) = 0 [pid 6726] set_robust_list(0x7f46d9f419a0, 24) = 0 [pid 6725] <... clone3 resumed> => {parent_tid=[6726]}, 88) = 6726 [pid 6726] rt_sigprocmask(SIG_SETMASK, [], [pid 6725] rt_sigprocmask(SIG_SETMASK, [], [pid 6726] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6725] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6725] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6725] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6726] memfd_create("syzkaller", 0) = 3 [pid 6726] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 6717] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6717] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6717] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f00000 [pid 6717] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6717] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6717] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0} => {parent_tid=[6727]}, 88) = 6727 [pid 6717] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6727 attached NULL, 8) = 0 [pid 6717] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6717] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6727] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053) = 0 [ 237.519958][ T6718] read_mapping_page failed! [ 237.529531][ T6721] read_mapping_page failed! [ 237.533164][ T6718] ERROR: (device loop1): txCommit: [ 237.533164][ T6718] [ 237.556084][ T6721] ERROR: (device loop2): txCommit: [ 237.556084][ T6721] [pid 6727] set_robust_list(0x7f46d9f209a0, 24 [pid 6719] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6727] <... set_robust_list resumed>) = 0 [pid 6719] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 6727] rt_sigprocmask(SIG_SETMASK, [], [pid 6719] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6727] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6719] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6727] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x3) [pid 6719] <... futex resumed>) = 0 [pid 6719] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f00000 [pid 6719] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6719] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6719] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0} [pid 6718] <... open resumed>) = -1 EIO (Input/output error) ./strace-static-x86_64: Process 6728 attached [pid 6719] <... clone3 resumed> => {parent_tid=[6728]}, 88) = 6728 [pid 6718] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6719] rt_sigprocmask(SIG_SETMASK, [], [pid 6718] <... futex resumed>) = 0 [pid 6719] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6719] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6719] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6728] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053 [pid 6721] <... open resumed>) = -1 EIO (Input/output error) [pid 6718] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6721] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6721] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6728] <... rseq resumed>) = 0 [pid 6728] set_robust_list(0x7f46d9f209a0, 24) = 0 [pid 6728] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6728] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x5) [pid 6717] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6717] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6717] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6727] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6727] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6727] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6728] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6718] <... futex resumed>) = 0 [pid 6728] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6719] <... futex resumed>) = 0 [pid 6728] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6719] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6721] <... futex resumed>) = 0 [pid 6719] <... futex resumed>) = 1 [pid 6721] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [ 237.580988][ T6727] read_mapping_page failed! [ 237.596287][ T6728] read_mapping_page failed! [ 237.601972][ T6727] ERROR: (device loop1): txCommit: [ 237.601972][ T6727] [ 237.623026][ T6728] ERROR: (device loop2): txCommit: [ 237.623026][ T6728] [pid 6719] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6718] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6721] <... openat resumed>) = -1 EIO (Input/output error) [pid 6721] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6719] <... futex resumed>) = 0 [pid 6719] exit_group(0 [pid 6728] <... futex resumed>) = ? [pid 6719] <... exit_group resumed>) = ? [pid 6728] +++ exited with 0 +++ [pid 6721] +++ exited with 0 +++ [pid 6719] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6719, si_uid=0, si_status=0, si_utime=9 /* 0.09 s */, si_stime=27 /* 0.27 s */} --- [pid 5865] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5865] umount2("./64", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./64", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6724] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5865] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 6717] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5865] umount2("./64/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6717] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./64/binderfs", [pid 6717] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5865] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./64/binderfs") = 0 [ 237.637736][ T6721] read_mapping_page failed! [ 237.643708][ T6718] read_mapping_page failed! [ 237.647956][ T6721] ERROR: (device loop2): txCommit: [ 237.647956][ T6721] [ 237.648235][ T6718] ERROR: (device loop1): txCommit: [ 237.648235][ T6718] [pid 5865] umount2("./64/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6718] <... openat resumed>) = -1 EIO (Input/output error) [pid 6718] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6718] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6717] exit_group(0 [pid 6727] <... futex resumed>) = ? [pid 6718] <... futex resumed>) = ? [pid 6717] <... exit_group resumed>) = ? [pid 6727] +++ exited with 0 +++ [pid 6718] +++ exited with 0 +++ [pid 6717] +++ exited with 0 +++ [pid 5864] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6717, si_uid=0, si_status=0, si_utime=9 /* 0.09 s */, si_stime=30 /* 0.30 s */} --- [pid 5864] umount2("./63", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] openat(AT_FDCWD, "./63", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5864] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5864] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5864] umount2("./63/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] newfstatat(AT_FDCWD, "./63/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5864] unlink("./63/binderfs" [pid 5863] <... close resumed>) = 0 [pid 5864] <... unlink resumed>) = 0 [pid 5864] umount2("./63/bus", MNT_FORCE|UMOUNT_NOFOLLOW [ 237.687301][ T5865] [ 237.687301][ T5865] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 237.687301][ T5865] [ 237.703743][ T5865] [ 237.703743][ T5865] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 237.703743][ T5865] [ 237.724538][ T5864] [ 237.724538][ T5864] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 237.724538][ T5864] [pid 5863] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555566de8690) = 6729 ./strace-static-x86_64: Process 6729 attached [pid 6729] set_robust_list(0x555566de86a0, 24) = 0 [pid 6729] chdir("./64") = 0 [pid 6729] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6729] setpgid(0, 0) = 0 [pid 6729] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6729] write(3, "1000", 4 [pid 5865] <... umount2 resumed>) = 0 [pid 6729] <... write resumed>) = 4 [pid 6729] close(3) = 0 [pid 6729] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6729] write(1, "executing program\n", 18executing program ) = 18 [pid 6729] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5865] umount2("./64/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6729] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, [pid 5865] newfstatat(AT_FDCWD, "./64/bus", [pid 6729] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5865] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6729] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5865] umount2("./64/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6729] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6729] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5865] openat(AT_FDCWD, "./64/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6729] <... mmap resumed>) = 0x7f46d9f21000 [pid 5865] <... openat resumed>) = 4 [pid 6729] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6729] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6729] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} [pid 5865] newfstatat(4, "", [pid 6729] <... clone3 resumed> => {parent_tid=[6730]}, 88) = 6730 [pid 5865] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6729] rt_sigprocmask(SIG_SETMASK, [], [pid 5865] getdents64(4, [pid 6729] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5865] <... getdents64 resumed>0x555566df1770 /* 2 entries */, 32768) = 48 [pid 6729] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] getdents64(4, [pid 6729] <... futex resumed>) = 0 [pid 5865] <... getdents64 resumed>0x555566df1770 /* 0 entries */, 32768) = 0 [pid 6729] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5865] close(4) = 0 [pid 5865] rmdir("./64/bus") = 0 ./strace-static-x86_64: Process 6730 attached [pid 5865] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./64") = 0 [pid 5865] mkdir("./65", 0777) = 0 [pid 6730] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 5864] <... umount2 resumed>) = 0 [pid 6730] <... rseq resumed>) = 0 [pid 6730] set_robust_list(0x7f46d9f419a0, 24 [pid 5865] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5864] umount2("./63/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6730] <... set_robust_list resumed>) = 0 [pid 5864] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6730] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5865] <... openat resumed>) = 3 [pid 5864] newfstatat(AT_FDCWD, "./63/bus", [pid 6730] memfd_create("syzkaller", 0) = 3 [pid 6730] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 5865] ioctl(3, LOOP_CLR_FD [pid 5864] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] <... ioctl resumed>) = 0 [pid 5864] umount2("./63/bus", MNT_FORCE|UMOUNT_NOFOLLOW [ 237.740397][ T5864] [ 237.740397][ T5864] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 237.740397][ T5864] [pid 5865] close(3 [pid 5864] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5864] openat(AT_FDCWD, "./63/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5864] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5864] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5864] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5864] close(4) = 0 [pid 5864] rmdir("./63/bus") = 0 [pid 5864] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5864] close(3) = 0 [pid 5864] rmdir("./63") = 0 [pid 5864] mkdir("./64", 0777) = 0 [pid 5864] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5864] ioctl(3, LOOP_CLR_FD) = 0 [pid 5864] close(3 [pid 6726] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5865] <... close resumed>) = 0 [pid 6724] <... write resumed>) = 16777216 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6731 attached [pid 6724] munmap(0x7f46d1a00000, 138412032 [pid 5865] <... clone resumed>, child_tidptr=0x555566de8690) = 6731 [pid 6731] set_robust_list(0x555566de86a0, 24) = 0 [pid 6731] chdir("./65") = 0 [pid 6731] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6731] setpgid(0, 0) = 0 [pid 6731] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6731] write(3, "1000", 4) = 4 [pid 6731] close(3) = 0 [pid 6731] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6731] write(1, "executing program\n", 18) = 18 [pid 6731] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6731] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6731] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6731] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6731] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6731] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6731] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} => {parent_tid=[6732]}, 88) = 6732 [pid 6731] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6731] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 6732 attached [pid 6731] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6724] <... munmap resumed>) = 0 [pid 6732] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053) = 0 [pid 6724] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6732] set_robust_list(0x7f46d9f419a0, 24) = 0 [pid 6724] <... openat resumed>) = 4 [pid 6732] rt_sigprocmask(SIG_SETMASK, [], [pid 6724] ioctl(4, LOOP_SET_FD, 3 [pid 6732] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6732] memfd_create("syzkaller", 0) = 3 [pid 6732] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 6724] <... ioctl resumed>) = 0 [pid 6730] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6724] close(3) = 0 [pid 6724] close(4) = 0 [pid 6724] mkdir("./bus", 0777) = 0 [ 238.131572][ T6724] loop4: detected capacity change from 0 to 32768 [pid 6724] mount("/dev/loop4", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 5864] <... close resumed>) = 0 [pid 5864] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6733 attached , child_tidptr=0x555566de8690) = 6733 [pid 6733] set_robust_list(0x555566de86a0, 24) = 0 [pid 6733] chdir("./64") = 0 [pid 6733] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6733] setpgid(0, 0) = 0 [pid 6733] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6733] write(3, "1000", 4) = 4 [pid 6733] close(3) = 0 [pid 6733] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6733] write(1, "executing program\n", 18) = 18 [pid 6733] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6733] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6733] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6733] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6733] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6733] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6733] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} [pid 6724] <... mount resumed>) = 0 [pid 6724] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY./strace-static-x86_64: Process 6734 attached [ 238.177690][ T6724] [ 238.177690][ T6724] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 238.177690][ T6724] [pid 6733] <... clone3 resumed> => {parent_tid=[6734]}, 88) = 6734 [pid 6724] <... openat resumed>) = 3 [pid 6733] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6733] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6733] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6734] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053) = 0 [pid 6734] set_robust_list(0x7f46d9f419a0, 24) = 0 [pid 6734] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6734] memfd_create("syzkaller", 0) = 3 [pid 6724] chdir("./bus") = 0 [pid 6734] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6724] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6734] <... mmap resumed>) = 0x7f46d1a00000 [pid 6724] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6724] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6723] <... futex resumed>) = 0 [pid 6723] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6724] chdir("./file0" [pid 6723] <... futex resumed>) = 0 [pid 6724] <... chdir resumed>) = 0 [pid 6723] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6724] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6723] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6724] <... futex resumed>) = 0 [pid 6724] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6723] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6724] <... futex resumed>) = 0 [pid 6723] <... futex resumed>) = 1 [pid 6724] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6723] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6726] <... write resumed>) = 16777216 [pid 6726] munmap(0x7f46d1a00000, 138412032 [pid 6724] <... open resumed>) = -1 EIO (Input/output error) [pid 6724] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6723] <... futex resumed>) = 0 [pid 6724] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6723] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6724] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6723] <... futex resumed>) = 0 [pid 6724] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x9) [ 238.310324][ T6724] read_mapping_page failed! [ 238.324173][ T6724] ERROR: (device loop4): txCommit: [ 238.324173][ T6724] [pid 6723] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6726] <... munmap resumed>) = 0 [pid 6724] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6726] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6724] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6726] <... openat resumed>) = 4 [pid 6724] <... futex resumed>) = 1 [pid 6723] <... futex resumed>) = 0 [pid 6726] ioctl(4, LOOP_SET_FD, 3 [pid 6724] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6723] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6724] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6723] <... futex resumed>) = 0 [pid 6724] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [ 238.354166][ T6724] read_mapping_page failed! [ 238.358730][ T6724] ERROR: (device loop4): txCommit: [ 238.358730][ T6724] [ 238.391473][ T6726] loop3: detected capacity change from 0 to 32768 [pid 6723] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6726] <... ioctl resumed>) = 0 [pid 6726] close(3) = 0 [pid 6726] close(4) = 0 [pid 6726] mkdir("./bus", 0777) = 0 [ 238.402176][ T6724] read_mapping_page failed! [ 238.411668][ T6724] ERROR: (device loop4): txCommit: [ 238.411668][ T6724] [pid 6726] mount("/dev/loop3", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6723] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6724] <... openat resumed>) = -1 EIO (Input/output error) [pid 6724] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6723] exit_group(0) = ? [pid 6724] +++ exited with 0 +++ [pid 6726] <... mount resumed>) = 0 [pid 6726] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6723] +++ exited with 0 +++ [pid 6726] chdir("./bus" [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6723, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=29 /* 0.29 s */} --- [pid 6726] <... chdir resumed>) = 0 [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 6726] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6726] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6725] <... futex resumed>) = 0 [pid 6726] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 6725] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6726] chdir("./file0" [pid 6725] <... futex resumed>) = 0 [pid 6726] <... chdir resumed>) = 0 [ 238.449017][ T6726] [ 238.449017][ T6726] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 238.449017][ T6726] [pid 6725] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6726] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] <... restart_syscall resumed>) = 0 [pid 6726] <... futex resumed>) = 1 [pid 6726] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6725] <... futex resumed>) = 0 [pid 6726] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6725] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] umount2("./64", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6726] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6725] <... futex resumed>) = 0 [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6725] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] openat(AT_FDCWD, "./64", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5867] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5867] umount2("./64/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./64/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] unlink("./64/binderfs") = 0 [pid 5867] umount2("./64/bus", MNT_FORCE|UMOUNT_NOFOLLOW [ 238.499253][ T6726] read_mapping_page failed! [ 238.518873][ T6726] ERROR: (device loop3): txCommit: [ 238.518873][ T6726] [ 238.526708][ T5867] [ 238.526708][ T5867] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 238.526708][ T5867] [pid 6732] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6725] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6725] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6725] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f00000 [pid 6725] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6725] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6725] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0} => {parent_tid=[6735]}, 88) = 6735 [pid 6725] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6725] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6725] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6735 attached [pid 6735] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053) = 0 [pid 6735] set_robust_list(0x7f46d9f209a0, 24) = 0 [pid 6726] <... open resumed>) = -1 EIO (Input/output error) [pid 6735] rt_sigprocmask(SIG_SETMASK, [], [pid 6726] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6735] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6735] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x7) [pid 6730] <... write resumed>) = 16777216 [pid 6726] <... futex resumed>) = 0 [pid 6726] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5867] <... umount2 resumed>) = 0 [pid 6730] munmap(0x7f46d1a00000, 138412032 [pid 5867] umount2("./64/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./64/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] umount2("./64/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./64/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [ 238.549161][ T5867] [ 238.549161][ T5867] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 238.549161][ T5867] [ 238.567969][ T6735] read_mapping_page failed! [ 238.572514][ T6735] ERROR: (device loop3): txCommit: [ 238.572514][ T6735] [pid 6730] <... munmap resumed>) = 0 [pid 6725] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5867] newfstatat(4, "", [pid 6725] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6726] <... futex resumed>) = 0 [pid 6725] <... futex resumed>) = 1 [pid 6726] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6725] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6735] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6735] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6735] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5867] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5867] getdents64(4, [pid 6730] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5867] <... getdents64 resumed>0x555566df1770 /* 0 entries */, 32768) = 0 [pid 6730] <... openat resumed>) = 4 [pid 5867] close(4 [pid 6730] ioctl(4, LOOP_SET_FD, 3 [pid 5867] <... close resumed>) = 0 [pid 5867] rmdir("./64/bus") = 0 [pid 5867] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5867] close(3 [pid 6726] <... openat resumed>) = -1 EIO (Input/output error) [pid 5867] <... close resumed>) = 0 [pid 6726] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] rmdir("./64" [pid 6726] <... futex resumed>) = 1 [pid 6725] <... futex resumed>) = 0 [pid 6725] exit_group(0 [pid 6735] <... futex resumed>) = ? [pid 6725] <... exit_group resumed>) = ? [pid 6735] +++ exited with 0 +++ [pid 5867] <... rmdir resumed>) = 0 [pid 5867] mkdir("./65", 0777 [pid 6726] +++ exited with 0 +++ [pid 6725] +++ exited with 0 +++ [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6725, si_uid=0, si_status=0, si_utime=9 /* 0.09 s */, si_stime=27 /* 0.27 s */} --- [pid 5866] restart_syscall(<... resuming interrupted clone ...> [pid 5867] <... mkdir resumed>) = 0 [pid 6734] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5867] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5867] ioctl(3, LOOP_CLR_FD) = 0 [pid 5867] close(3 [pid 5866] <... restart_syscall resumed>) = 0 [pid 5866] umount2("./64", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] openat(AT_FDCWD, "./64", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5866] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5866] umount2("./64/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./64/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] unlink("./64/binderfs") = 0 [pid 5866] umount2("./64/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6730] <... ioctl resumed>) = 0 [pid 6730] close(3) = 0 [ 238.615697][ T6726] read_mapping_page failed! [ 238.620256][ T6726] ERROR: (device loop3): txCommit: [ 238.620256][ T6726] [ 238.639889][ T6730] loop0: detected capacity change from 0 to 32768 [pid 6730] close(4) = 0 [pid 6730] mkdir("./bus", 0777) = 0 [pid 6730] mount("/dev/loop0", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic,") = 0 [pid 6730] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6730] chdir("./bus") = 0 [pid 6730] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6730] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6729] <... futex resumed>) = 0 [pid 6729] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6729] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6730] chdir("./file0") = 0 [ 238.699607][ T5866] [ 238.699607][ T5866] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 238.699607][ T5866] [ 238.705988][ T6730] [ 238.705988][ T6730] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 238.705988][ T6730] [ 238.735868][ T5866] [ 238.735868][ T5866] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 238.735868][ T5866] [pid 6730] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6729] <... futex resumed>) = 0 [pid 6730] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6729] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6730] <... futex resumed>) = 0 [pid 6729] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6730] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 5866] <... umount2 resumed>) = 0 [pid 5866] umount2("./64/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./64/bus", [pid 6730] <... open resumed>) = -1 EIO (Input/output error) [pid 5866] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6730] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] umount2("./64/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6730] <... futex resumed>) = 1 [pid 6730] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6729] <... futex resumed>) = 0 [pid 6729] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6729] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] openat(AT_FDCWD, "./64/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5866] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5866] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5866] close(4) = 0 [pid 5866] rmdir("./64/bus") = 0 [pid 5866] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5866] close(3) = 0 [pid 5866] rmdir("./64") = 0 [pid 5866] mkdir("./65", 0777 [pid 6730] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 238.803714][ T6730] read_mapping_page failed! [ 238.808351][ T6730] ERROR: (device loop0): txCommit: [ 238.808351][ T6730] [pid 5866] <... mkdir resumed>) = 0 [pid 6730] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x1) [pid 5866] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5866] ioctl(3, LOOP_CLR_FD) = 0 [pid 5866] close(3 [pid 6729] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6729] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6730] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6730] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6729] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f00000 [pid 6729] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6729] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6730] <... futex resumed>) = 0 [pid 6729] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0} [pid 6730] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6729] <... clone3 resumed> => {parent_tid=[6736]}, 88) = 6736 [pid 6729] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6736 attached NULL, 8) = 0 [pid 6736] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053 [pid 6729] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6736] <... rseq resumed>) = 0 [pid 6729] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6736] set_robust_list(0x7f46d9f209a0, 24) = 0 [pid 6736] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [ 238.865556][ T6730] read_mapping_page failed! [ 238.870705][ T6730] ERROR: (device loop0): txCommit: [ 238.870705][ T6730] [pid 6736] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777) = -1 EIO (Input/output error) [pid 6736] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6729] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6729] exit_group(0 [pid 6730] <... futex resumed>) = ? [pid 6729] <... exit_group resumed>) = ? [pid 6730] +++ exited with 0 +++ [ 238.915897][ T6736] read_mapping_page failed! [ 238.930994][ T6736] ERROR: (device loop0): txCommit: [ 238.930994][ T6736] [pid 6736] <... futex resumed>) = ? [pid 5867] <... close resumed>) = 0 [pid 6736] +++ exited with 0 +++ [pid 6729] +++ exited with 0 +++ [pid 5863] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6729, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=30 /* 0.30 s */} --- [pid 5863] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5863] umount2("./64", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] openat(AT_FDCWD, "./64", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 6732] <... write resumed>) = 16777216 [pid 5863] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5863] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5863] umount2("./64/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6737 attached [pid 6737] set_robust_list(0x555566de86a0, 24 [pid 6732] munmap(0x7f46d1a00000, 138412032 [pid 5867] <... clone resumed>, child_tidptr=0x555566de8690) = 6737 [pid 5863] newfstatat(AT_FDCWD, "./64/binderfs", [pid 6737] <... set_robust_list resumed>) = 0 [pid 6737] chdir("./65" [pid 5863] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5863] unlink("./64/binderfs") = 0 [pid 5863] umount2("./64/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6737] <... chdir resumed>) = 0 [pid 6737] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6732] <... munmap resumed>) = 0 [pid 6737] setpgid(0, 0) = 0 [pid 6732] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 6737] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6732] ioctl(4, LOOP_SET_FD, 3 [pid 6737] <... openat resumed>) = 3 [pid 6737] write(3, "1000", 4) = 4 [pid 6737] close(3) = 0 [pid 6737] symlink("/dev/binderfs", "./binderfs" [pid 6732] <... ioctl resumed>) = 0 executing program [pid 6737] <... symlink resumed>) = 0 [pid 6732] close(3 [pid 6737] write(1, "executing program\n", 18 [pid 6732] <... close resumed>) = 0 [pid 6737] <... write resumed>) = 18 [pid 6732] close(4 [pid 6737] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6732] <... close resumed>) = 0 [pid 6737] <... futex resumed>) = 0 [pid 6732] mkdir("./bus", 0777 [pid 6737] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, [pid 6734] <... write resumed>) = 16777216 [pid 6732] <... mkdir resumed>) = 0 [pid 6737] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6737] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6734] munmap(0x7f46d1a00000, 138412032 [ 239.004457][ T5863] [ 239.004457][ T5863] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 239.004457][ T5863] [ 239.024087][ T5863] [ 239.024087][ T5863] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 239.024087][ T5863] [ 239.044704][ T6732] loop2: detected capacity change from 0 to 32768 [pid 6732] mount("/dev/loop2", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 5863] <... umount2 resumed>) = 0 [pid 6737] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6737] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 5863] umount2("./64/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6737] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6737] <... mprotect resumed>) = 0 [pid 5863] newfstatat(AT_FDCWD, "./64/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6737] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5863] umount2("./64/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6737] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6737] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0}./strace-static-x86_64: Process 6738 attached [pid 5863] openat(AT_FDCWD, "./64/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 6738] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 5863] newfstatat(4, "", [pid 6738] <... rseq resumed>) = 0 [pid 5863] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6738] set_robust_list(0x7f46d9f419a0, 24 [pid 5863] getdents64(4, [pid 6738] <... set_robust_list resumed>) = 0 [pid 5863] <... getdents64 resumed>0x555566df1770 /* 2 entries */, 32768) = 48 [pid 6738] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5863] getdents64(4, [pid 6738] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5863] <... getdents64 resumed>0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5863] close(4) = 0 [pid 5863] rmdir("./64/bus") = 0 [pid 5863] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5863] close(3) = 0 [pid 5863] rmdir("./64") = 0 [pid 5863] mkdir("./65", 0777 [pid 6737] <... clone3 resumed> => {parent_tid=[6738]}, 88) = 6738 [pid 6734] <... munmap resumed>) = 0 [pid 6737] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6734] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5863] <... mkdir resumed>) = 0 [pid 6737] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6734] ioctl(4, LOOP_SET_FD, 3 [pid 6732] <... mount resumed>) = 0 [pid 6738] <... futex resumed>) = 0 [pid 6737] <... futex resumed>) = 1 [pid 6738] memfd_create("syzkaller", 0 [pid 6737] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6732] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5863] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6738] <... memfd_create resumed>) = 3 [pid 5863] <... openat resumed>) = 3 [pid 6738] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 5863] ioctl(3, LOOP_CLR_FD [pid 6732] <... openat resumed>) = 3 [pid 5863] <... ioctl resumed>) = 0 [pid 6732] chdir("./bus" [pid 5863] close(3 [pid 6734] <... ioctl resumed>) = 0 [pid 6732] <... chdir resumed>) = 0 [pid 5866] <... close resumed>) = 0 [pid 6732] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6739 attached [pid 6732] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6739] set_robust_list(0x555566de86a0, 24 [pid 6734] close(3 [pid 6732] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] <... clone resumed>, child_tidptr=0x555566de8690) = 6739 [pid 6732] <... futex resumed>) = 1 [pid 6739] <... set_robust_list resumed>) = 0 [pid 6734] <... close resumed>) = 0 [pid 6732] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6731] <... futex resumed>) = 0 [pid 6731] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6734] close(4 [pid 6739] chdir("./65" [pid 6734] <... close resumed>) = 0 [pid 6732] <... futex resumed>) = 0 [pid 6731] <... futex resumed>) = 1 [pid 6734] mkdir("./bus", 0777 [pid 6732] chdir("./file0" [pid 6731] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6734] <... mkdir resumed>) = 0 [pid 6732] <... chdir resumed>) = 0 [pid 6732] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6731] <... futex resumed>) = 0 [pid 6732] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6731] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6739] <... chdir resumed>) = 0 [pid 6734] mount("/dev/loop1", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6732] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6731] <... futex resumed>) = 0 [pid 6732] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [ 239.097860][ T6732] [ 239.097860][ T6732] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 239.097860][ T6732] [ 239.131380][ T6734] loop1: detected capacity change from 0 to 32768 [pid 6731] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6739] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6739] setpgid(0, 0) = 0 [pid 6739] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6731] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6731] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 6731] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6731] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f00000 [pid 6734] <... mount resumed>) = 0 [pid 6739] write(3, "1000", 4 [pid 6731] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE [pid 6739] <... write resumed>) = 4 [pid 6734] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6731] <... mprotect resumed>) = 0 [pid 6739] close(3) = 0 [pid 6734] <... openat resumed>) = 3 [pid 6731] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6739] symlink("/dev/binderfs", "./binderfs" [pid 6734] chdir("./bus" [pid 6731] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0}./strace-static-x86_64: Process 6740 attached [pid 6739] <... symlink resumed>) = 0 [pid 6734] <... chdir resumed>) = 0 executing program [pid 6740] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053 [pid 6739] write(1, "executing program\n", 18 [pid 6734] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6731] <... clone3 resumed> => {parent_tid=[6740]}, 88) = 6740 [pid 6739] <... write resumed>) = 18 [ 239.178656][ T6732] read_mapping_page failed! [ 239.193899][ T6734] [ 239.193899][ T6734] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 239.193899][ T6734] [ 239.206789][ T6732] ERROR: (device loop2): txCommit: [ 239.206789][ T6732] [pid 6731] rt_sigprocmask(SIG_SETMASK, [], [pid 6739] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6740] <... rseq resumed>) = 0 [pid 6739] <... futex resumed>) = 0 [pid 6734] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6732] <... open resumed>) = -1 EIO (Input/output error) [pid 6731] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6739] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, [pid 6734] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6732] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6731] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6739] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6734] <... futex resumed>) = 1 [pid 6733] <... futex resumed>) = 0 [pid 6732] <... futex resumed>) = 0 [pid 6739] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6734] chdir("./file0" [pid 6733] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6732] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6739] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6733] <... futex resumed>) = 0 [pid 6739] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6740] set_robust_list(0x7f46d9f209a0, 24 [pid 6739] <... mmap resumed>) = 0x7f46d9f21000 [pid 6733] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6740] <... set_robust_list resumed>) = 0 [pid 6739] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE [pid 6740] rt_sigprocmask(SIG_SETMASK, [], [pid 6739] <... mprotect resumed>) = 0 [pid 6740] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6739] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6734] <... chdir resumed>) = 0 [pid 6739] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6731] <... futex resumed>) = 0 [pid 6734] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6739] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} [pid 6731] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6734] <... futex resumed>) = 1 [pid 6733] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6741 attached [pid 6740] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x5) [pid 6734] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6733] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6741] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6739] <... clone3 resumed> => {parent_tid=[6741]}, 88) = 6741 [pid 6741] <... rseq resumed>) = 0 [pid 6733] <... futex resumed>) = 0 [pid 6741] set_robust_list(0x7f46d9f419a0, 24 [pid 6739] rt_sigprocmask(SIG_SETMASK, [], [pid 6733] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6741] <... set_robust_list resumed>) = 0 [pid 6739] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6741] rt_sigprocmask(SIG_SETMASK, [], [pid 6739] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6741] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6739] <... futex resumed>) = 0 [pid 6739] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6740] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6741] memfd_create("syzkaller", 0 [pid 6740] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6731] <... futex resumed>) = 0 [pid 6740] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6731] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6741] <... memfd_create resumed>) = 3 [pid 6732] <... futex resumed>) = 0 [pid 6731] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6741] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6734] <... open resumed>) = -1 EIO (Input/output error) [pid 6741] <... mmap resumed>) = 0x7f46d1a00000 [pid 6734] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6732] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6734] <... futex resumed>) = 1 [pid 6733] <... futex resumed>) = 0 [pid 6734] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6733] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6734] <... futex resumed>) = 0 [ 239.275618][ T6740] read_mapping_page failed! [ 239.280676][ T6734] read_mapping_page failed! [ 239.285488][ T6740] ERROR: (device loop2): txCommit: [ 239.285488][ T6740] [ 239.294708][ T6734] ERROR: (device loop1): txCommit: [ 239.294708][ T6734] [ 239.313943][ T6732] read_mapping_page failed! [ 239.320144][ T6732] ERROR: (device loop2): txCommit: [pid 6734] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x3) [pid 6733] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6732] <... openat resumed>) = -1 EIO (Input/output error) [pid 6732] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6731] <... futex resumed>) = 0 [pid 6732] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6731] exit_group(0 [pid 6740] <... futex resumed>) = ? [pid 6732] <... futex resumed>) = ? [pid 6731] <... exit_group resumed>) = ? [pid 6740] +++ exited with 0 +++ [pid 6732] +++ exited with 0 +++ [pid 6731] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6731, si_uid=0, si_status=0, si_utime=9 /* 0.09 s */, si_stime=21 /* 0.21 s */} --- [pid 5865] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5865] umount2("./65", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./65", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5865] umount2("./65/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./65/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./65/binderfs") = 0 [ 239.320144][ T6732] [ 239.329057][ T6734] read_mapping_page failed! [ 239.349223][ T6734] ERROR: (device loop1): txCommit: [ 239.349223][ T6734] [ 239.361229][ T5865] [ 239.361229][ T5865] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 239.361229][ T5865] [ 239.373614][ T5865] [pid 5865] umount2("./65/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6734] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6733] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6734] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6733] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6734] <... futex resumed>) = 0 [pid 6733] <... futex resumed>) = 0 [pid 6734] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6733] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f00000 [pid 5865] <... umount2 resumed>) = 0 [pid 6733] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5865] umount2("./65/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./65/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] umount2("./65/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./65/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5865] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5865] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5865] close(4) = 0 [pid 5865] rmdir("./65/bus") = 0 [pid 5865] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [ 239.373614][ T5865] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 239.373614][ T5865] [pid 5865] close(3 [pid 6733] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5865] <... close resumed>) = 0 [pid 6733] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6733] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0} [pid 5865] rmdir("./65"./strace-static-x86_64: Process 6742 attached ) = 0 [pid 6742] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053 [pid 6733] <... clone3 resumed> => {parent_tid=[6742]}, 88) = 6742 [pid 6742] <... rseq resumed>) = 0 [pid 6733] rt_sigprocmask(SIG_SETMASK, [], [pid 5865] mkdir("./66", 0777 [pid 6742] set_robust_list(0x7f46d9f209a0, 24 [pid 6733] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6742] <... set_robust_list resumed>) = 0 [pid 6733] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6742] rt_sigprocmask(SIG_SETMASK, [], [pid 6733] <... futex resumed>) = 0 [pid 6742] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6733] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6742] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 5865] <... mkdir resumed>) = 0 [pid 5865] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5865] ioctl(3, LOOP_CLR_FD) = 0 [pid 5865] close(3 [pid 6742] <... openat resumed>) = -1 EIO (Input/output error) [pid 6742] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6733] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5863] <... close resumed>) = 0 [pid 6742] <... futex resumed>) = 0 [pid 6733] exit_group(0 [pid 6734] <... futex resumed>) = ? [pid 6733] <... exit_group resumed>) = ? [pid 6742] +++ exited with 0 +++ [pid 6734] +++ exited with 0 +++ [ 239.427053][ T6742] read_mapping_page failed! [ 239.431629][ T6742] ERROR: (device loop1): txCommit: [ 239.431629][ T6742] [pid 5863] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6733] +++ exited with 0 +++ [pid 5864] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6733, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=25 /* 0.25 s */} --- [pid 5864] restart_syscall(<... resuming interrupted clone ...> [pid 5863] <... clone resumed>, child_tidptr=0x555566de8690) = 6743 ./strace-static-x86_64: Process 6743 attached [pid 5864] <... restart_syscall resumed>) = 0 [pid 6743] set_robust_list(0x555566de86a0, 24 [pid 5864] umount2("./64", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6743] <... set_robust_list resumed>) = 0 [pid 5864] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5864] openat(AT_FDCWD, "./64", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5864] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6743] chdir("./65" [pid 5864] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 6743] <... chdir resumed>) = 0 [pid 5864] umount2("./64/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6743] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5864] newfstatat(AT_FDCWD, "./64/binderfs", [pid 6743] <... prctl resumed>) = 0 [pid 5864] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6743] setpgid(0, 0 [pid 5864] unlink("./64/binderfs" [pid 6743] <... setpgid resumed>) = 0 [pid 6743] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5864] <... unlink resumed>) = 0 [pid 6743] <... openat resumed>) = 3 [pid 5864] umount2("./64/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6743] write(3, "1000", 4) = 4 [pid 6743] close(3) = 0 [pid 6743] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6738] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6743] write(1, "executing program\n", 18) = 18 [pid 6743] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6743] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6743] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6743] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6743] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6743] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6743] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0}./strace-static-x86_64: Process 6744 attached => {parent_tid=[6744]}, 88) = 6744 [pid 6744] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6743] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6743] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6744] <... rseq resumed>) = 0 [pid 6743] <... futex resumed>) = 0 [pid 6744] set_robust_list(0x7f46d9f419a0, 24) = 0 [pid 6744] rt_sigprocmask(SIG_SETMASK, [], [pid 6743] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6744] <... rt_sigprocmask resumed>NULL, 8) = 0 [ 239.518416][ T5864] [ 239.518416][ T5864] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 239.518416][ T5864] [pid 6744] memfd_create("syzkaller", 0) = 3 [pid 6744] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [ 239.563183][ T5864] [ 239.563183][ T5864] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 239.563183][ T5864] [pid 5864] <... umount2 resumed>) = 0 [pid 5864] umount2("./64/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] newfstatat(AT_FDCWD, "./64/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5864] umount2("./64/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] openat(AT_FDCWD, "./64/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5864] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5864] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5864] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5864] close(4) = 0 [pid 5864] rmdir("./64/bus") = 0 [pid 5864] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5864] close(3) = 0 [pid 5864] rmdir("./64") = 0 [pid 5864] mkdir("./65", 0777 [pid 6741] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5864] <... mkdir resumed>) = 0 [pid 5864] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5864] ioctl(3, LOOP_CLR_FD) = 0 [pid 5864] close(3 [pid 5865] <... close resumed>) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555566de8690) = 6745 ./strace-static-x86_64: Process 6745 attached [pid 6745] set_robust_list(0x555566de86a0, 24) = 0 [pid 6745] chdir("./66") = 0 [pid 6745] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6745] setpgid(0, 0) = 0 [pid 6745] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6745] write(3, "1000", 4) = 4 [pid 6745] close(3) = 0 [pid 6745] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6745] write(1, "executing program\n", 18) = 18 [pid 6745] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6745] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6745] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6745] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6745] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6745] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6745] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} => {parent_tid=[6746]}, 88) = 6746 [pid 6745] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6745] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6745] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 6746 attached [pid 6746] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053) = 0 [pid 6746] set_robust_list(0x7f46d9f419a0, 24) = 0 [pid 6746] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6746] memfd_create("syzkaller", 0) = 3 [pid 6746] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 6744] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6738] <... write resumed>) = 16777216 [pid 5864] <... close resumed>) = 0 [pid 6738] munmap(0x7f46d1a00000, 138412032 [pid 5864] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555566de8690) = 6747 ./strace-static-x86_64: Process 6747 attached [pid 6747] set_robust_list(0x555566de86a0, 24) = 0 [pid 6747] chdir("./65") = 0 [pid 6747] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6747] setpgid(0, 0) = 0 [pid 6747] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6738] <... munmap resumed>) = 0 [pid 6738] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6747] write(3, "1000", 4 executing program [pid 6738] <... openat resumed>) = 4 [pid 6747] <... write resumed>) = 4 [pid 6738] ioctl(4, LOOP_SET_FD, 3 [pid 6747] close(3) = 0 [pid 6747] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6747] write(1, "executing program\n", 18) = 18 [pid 6747] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6747] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6747] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6747] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6747] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6747] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6747] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0}./strace-static-x86_64: Process 6748 attached => {parent_tid=[6748]}, 88) = 6748 [pid 6748] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6747] rt_sigprocmask(SIG_SETMASK, [], [pid 6748] <... rseq resumed>) = 0 [pid 6748] set_robust_list(0x7f46d9f419a0, 24) = 0 [pid 6748] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6748] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6747] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6747] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6747] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6748] <... futex resumed>) = 0 [pid 6748] memfd_create("syzkaller", 0 [pid 6738] <... ioctl resumed>) = 0 [pid 6748] <... memfd_create resumed>) = 3 [pid 6738] close(3 [pid 6748] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 6741] <... write resumed>) = 16777216 [pid 6738] <... close resumed>) = 0 [pid 6738] close(4 [pid 6741] munmap(0x7f46d1a00000, 138412032 [pid 6738] <... close resumed>) = 0 [pid 6738] mkdir("./bus", 0777) = 0 [ 240.013944][ T6738] loop4: detected capacity change from 0 to 32768 [pid 6738] mount("/dev/loop4", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6746] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6741] <... munmap resumed>) = 0 [pid 6741] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 6741] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6738] <... mount resumed>) = 0 [pid 6738] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6738] chdir("./bus") = 0 [pid 6738] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6738] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6737] <... futex resumed>) = 0 [pid 6738] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6741] close(3 [pid 6737] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6741] <... close resumed>) = 0 [pid 6737] <... futex resumed>) = 1 [pid 6741] close(4 [pid 6737] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6741] <... close resumed>) = 0 [pid 6738] <... futex resumed>) = 0 [pid 6738] chdir("./file0" [pid 6741] mkdir("./bus", 0777 [pid 6738] <... chdir resumed>) = 0 [pid 6741] <... mkdir resumed>) = 0 [pid 6741] mount("/dev/loop3", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [ 240.084411][ T6738] [ 240.084411][ T6738] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 240.084411][ T6738] [ 240.105671][ T6741] loop3: detected capacity change from 0 to 32768 [pid 6738] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6737] <... futex resumed>) = 0 [pid 6738] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6737] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6737] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6738] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6738] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6741] <... mount resumed>) = 0 [pid 6737] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6737] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6737] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f00000 [pid 6737] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6737] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6737] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0} => {parent_tid=[6749]}, 88) = 6749 [pid 6737] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6749 attached [pid 6741] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6737] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6737] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6737] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6749] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053 [pid 6741] chdir("./bus" [pid 6749] <... rseq resumed>) = 0 [pid 6741] <... chdir resumed>) = 0 [pid 6749] set_robust_list(0x7f46d9f209a0, 24 [pid 6741] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6749] <... set_robust_list resumed>) = 0 [pid 6741] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6749] rt_sigprocmask(SIG_SETMASK, [], [pid 6741] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6749] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6741] <... futex resumed>) = 1 [pid 6739] <... futex resumed>) = 0 [pid 6749] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x9) [pid 6741] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6739] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6739] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6741] <... futex resumed>) = 0 [pid 6741] chdir("./file0" [pid 6738] <... open resumed>) = -1 EIO (Input/output error) [pid 6738] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6741] <... chdir resumed>) = 0 [pid 6741] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6738] <... futex resumed>) = 0 [pid 6741] <... futex resumed>) = 1 [ 240.176132][ T6741] [ 240.176132][ T6741] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 240.176132][ T6741] [ 240.189751][ T6738] read_mapping_page failed! [ 240.210847][ T6738] ERROR: (device loop4): txCommit: [ 240.210847][ T6738] [pid 6741] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6739] <... futex resumed>) = 0 [pid 6738] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6739] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6741] <... futex resumed>) = 0 [pid 6739] <... futex resumed>) = 1 [pid 6741] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [ 240.246005][ T6749] read_mapping_page failed! [ 240.250778][ T6749] ERROR: (device loop4): txCommit: [ 240.250778][ T6749] [ 240.264861][ T6741] read_mapping_page failed! [ 240.269406][ T6741] ERROR: (device loop3): txCommit: [ 240.269406][ T6741] [pid 6739] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6737] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6737] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6738] <... futex resumed>) = 0 [pid 6737] <... futex resumed>) = 1 [pid 6738] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6737] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6749] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6749] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6749] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6741] <... open resumed>) = -1 EIO (Input/output error) [pid 6741] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6741] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6739] <... futex resumed>) = 0 [pid 6739] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6739] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6741] <... futex resumed>) = 0 [pid 6741] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x7)) = -1 EIO (Input/output error) [pid 6744] <... write resumed>) = 16777216 [pid 6738] <... openat resumed>) = -1 EIO (Input/output error) [pid 6737] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6744] munmap(0x7f46d1a00000, 138412032 [pid 6741] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6739] <... futex resumed>) = 0 [pid 6739] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6739] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6741] <... futex resumed>) = 1 [pid 6738] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6741] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6738] <... futex resumed>) = 0 [pid 6738] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6737] exit_group(0 [pid 6749] <... futex resumed>) = ? [pid 6738] <... futex resumed>) = ? [pid 6737] <... exit_group resumed>) = ? [pid 6749] +++ exited with 0 +++ [pid 6738] +++ exited with 0 +++ [pid 6737] +++ exited with 0 +++ [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6737, si_uid=0, si_status=0, si_utime=10 /* 0.10 s */, si_stime=26 /* 0.26 s */} --- [ 240.294471][ T6738] read_mapping_page failed! [ 240.299030][ T6738] ERROR: (device loop4): txCommit: [ 240.299030][ T6738] [ 240.314456][ T6741] read_mapping_page failed! [ 240.319625][ T6741] ERROR: (device loop3): txCommit: [ 240.319625][ T6741] [pid 5867] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5867] umount2("./65", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./65", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5867] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5867] umount2("./65/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./65/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] unlink("./65/binderfs") = 0 [pid 5867] umount2("./65/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6744] <... munmap resumed>) = 0 [pid 6744] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 6744] ioctl(4, LOOP_SET_FD, 3) = 0 [ 240.349041][ T6741] read_mapping_page failed! [ 240.359571][ T5867] [ 240.359571][ T5867] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 240.359571][ T5867] [ 240.375338][ T6744] loop0: detected capacity change from 0 to 32768 [ 240.382233][ T6741] ERROR: (device loop3): txCommit: [ 240.382233][ T6741] [ 240.390076][ T5867] [ 240.390076][ T5867] ... Log Wrap ... Log Wrap ... Log Wrap ... [pid 6744] close(3 [pid 6739] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6744] <... close resumed>) = 0 [pid 6748] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6744] close(4) = 0 [pid 6741] <... openat resumed>) = -1 EIO (Input/output error) [pid 6741] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6741] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6739] exit_group(0 [pid 6741] <... futex resumed>) = ? [pid 6739] <... exit_group resumed>) = ? [pid 6741] +++ exited with 0 +++ [pid 6739] +++ exited with 0 +++ [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6739, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=35 /* 0.35 s */} --- [pid 5866] umount2("./65", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] openat(AT_FDCWD, "./65", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5866] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5866] umount2("./65/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./65/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] unlink("./65/binderfs" [pid 6744] mkdir("./bus", 0777 [pid 5866] <... unlink resumed>) = 0 [pid 5866] umount2("./65/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6744] <... mkdir resumed>) = 0 [ 240.390076][ T5867] [pid 6744] mount("/dev/loop0", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic,") = 0 [pid 6744] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6744] chdir("./bus") = 0 [pid 6744] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5867] <... umount2 resumed>) = 0 [pid 6744] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6743] <... futex resumed>) = 0 [pid 6744] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6743] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6744] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6743] <... futex resumed>) = 0 [pid 5867] umount2("./65/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6743] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./65/bus", [pid 6744] chdir("./file0" [pid 5867] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] umount2("./65/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./65/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6744] <... chdir resumed>) = 0 [pid 6744] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] <... openat resumed>) = 4 [pid 5867] newfstatat(4, "", [pid 6744] <... futex resumed>) = 1 [pid 6743] <... futex resumed>) = 0 [pid 5867] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6743] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5867] getdents64(4, [pid 6744] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6743] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] <... getdents64 resumed>0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5867] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5867] close(4) = 0 [ 240.425910][ T5866] [ 240.425910][ T5866] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 240.425910][ T5866] [ 240.440506][ T6744] [ 240.440506][ T6744] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 240.440506][ T6744] [ 240.452062][ T5866] [ 240.452062][ T5866] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 240.452062][ T5866] [pid 5867] rmdir("./65/bus") = 0 [pid 5867] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5867] close(3) = 0 [pid 5867] rmdir("./65") = 0 [pid 5867] mkdir("./66", 0777) = 0 [pid 5867] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5867] ioctl(3, LOOP_CLR_FD) = 0 [pid 5867] close(3 [pid 5866] <... umount2 resumed>) = 0 [pid 5866] umount2("./65/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./65/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] umount2("./65/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] openat(AT_FDCWD, "./65/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5866] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5866] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5866] close(4) = 0 [pid 5866] rmdir("./65/bus") = 0 [pid 5866] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5866] close(3) = 0 [pid 6746] <... write resumed>) = 16777216 [pid 5866] rmdir("./65") = 0 [pid 5866] mkdir("./66", 0777) = 0 [pid 5866] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5866] ioctl(3, LOOP_CLR_FD [pid 6746] munmap(0x7f46d1a00000, 138412032 [pid 5866] <... ioctl resumed>) = 0 [pid 5866] close(3 [pid 6744] <... open resumed>) = -1 EIO (Input/output error) [pid 6743] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6744] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [ 240.484915][ T6744] read_mapping_page failed! [ 240.500330][ T6744] ERROR: (device loop0): txCommit: [ 240.500330][ T6744] [pid 6743] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6744] <... futex resumed>) = 0 [pid 6743] <... futex resumed>) = 0 [pid 6746] <... munmap resumed>) = 0 [pid 6744] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6743] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f00000 [pid 6746] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6743] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6743] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6746] <... openat resumed>) = 4 [pid 6743] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0}./strace-static-x86_64: Process 6750 attached [pid 6746] ioctl(4, LOOP_SET_FD, 3 [pid 6750] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053 [pid 6743] <... clone3 resumed> => {parent_tid=[6750]}, 88) = 6750 [pid 6750] <... rseq resumed>) = 0 [pid 6743] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6743] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6750] set_robust_list(0x7f46d9f209a0, 24 [pid 6743] <... futex resumed>) = 0 [pid 6750] <... set_robust_list resumed>) = 0 [pid 6750] rt_sigprocmask(SIG_SETMASK, [], [pid 6743] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6750] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6750] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x1) [pid 6746] <... ioctl resumed>) = 0 [pid 6750] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6750] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6746] close(3 [pid 6750] <... futex resumed>) = 1 [pid 6746] <... close resumed>) = 0 [pid 6743] <... futex resumed>) = 0 [pid 6746] close(4 [pid 6750] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6743] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6746] <... close resumed>) = 0 [pid 6743] <... futex resumed>) = 1 [pid 6746] mkdir("./bus", 0777 [pid 6744] <... futex resumed>) = 0 [pid 6746] <... mkdir resumed>) = 0 [pid 6744] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6743] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 240.568172][ T6746] loop2: detected capacity change from 0 to 32768 [ 240.587950][ T6750] read_mapping_page failed! [ 240.592514][ T6750] ERROR: (device loop0): txCommit: [ 240.592514][ T6750] [pid 6746] mount("/dev/loop2", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic,") = 0 [pid 6744] <... openat resumed>) = -1 EIO (Input/output error) [pid 6743] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6746] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6746] chdir("./bus") = 0 [pid 6746] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6746] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6745] <... futex resumed>) = 0 [pid 6746] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6745] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6745] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6746] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6746] chdir("./file0") = 0 [pid 6744] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6746] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6743] exit_group(0 [pid 6745] <... futex resumed>) = 0 [pid 6746] <... futex resumed>) = 1 [pid 6743] <... exit_group resumed>) = ? [pid 6746] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6744] <... futex resumed>) = ? [ 240.630432][ T6744] read_mapping_page failed! [ 240.639142][ T6746] [ 240.639142][ T6746] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 240.639142][ T6746] [ 240.650507][ T6744] ERROR: (device loop0): txCommit: [ 240.650507][ T6744] [pid 6750] <... futex resumed>) = ? [pid 6746] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6745] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6744] +++ exited with 0 +++ [pid 6745] <... futex resumed>) = 0 [pid 6745] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6746] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6750] +++ exited with 0 +++ [pid 6743] +++ exited with 0 +++ [pid 5863] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6743, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=26 /* 0.26 s */} --- [pid 5863] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5863] umount2("./65", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] openat(AT_FDCWD, "./65", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5863] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5863] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5863] umount2("./65/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] newfstatat(AT_FDCWD, "./65/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5863] unlink("./65/binderfs") = 0 [pid 5863] umount2("./65/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6746] <... open resumed>) = -1 EIO (Input/output error) [pid 6746] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6745] <... futex resumed>) = 0 [pid 6745] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6746] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x5) [pid 6745] <... futex resumed>) = 0 [ 240.728789][ T6746] read_mapping_page failed! [ 240.736368][ T6746] ERROR: (device loop2): txCommit: [ 240.736368][ T6746] [ 240.744618][ T5863] [ 240.744618][ T5863] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 240.744618][ T5863] [ 240.768181][ T6746] read_mapping_page failed! [ 240.772751][ T6746] ERROR: (device loop2): txCommit: [pid 6745] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6746] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6746] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6746] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5867] <... close resumed>) = 0 [pid 6745] <... futex resumed>) = 0 [pid 6745] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6746] <... futex resumed>) = 0 [pid 6745] <... futex resumed>) = 1 [ 240.772751][ T6746] [ 240.795670][ T5863] [ 240.795670][ T5863] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 240.795670][ T5863] [pid 6746] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6745] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6752 attached , child_tidptr=0x555566de8690) = 6752 [pid 6752] set_robust_list(0x555566de86a0, 24) = 0 [pid 6752] chdir("./66") = 0 [pid 6752] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6752] setpgid(0, 0) = 0 [pid 6752] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6746] <... openat resumed>) = -1 EIO (Input/output error) [pid 6746] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6752] write(3, "1000", 4 [pid 6746] <... futex resumed>) = 1 [pid 6745] <... futex resumed>) = 0 [pid 6746] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6745] exit_group(0 [pid 6752] <... write resumed>) = 4 [pid 5863] <... umount2 resumed>) = 0 [pid 6752] close(3 [pid 6746] <... futex resumed>) = ? [pid 6745] <... exit_group resumed>) = ? [pid 6746] +++ exited with 0 +++ [pid 6745] +++ exited with 0 +++ [pid 6752] <... close resumed>) = 0 [ 240.832912][ T6746] read_mapping_page failed! [ 240.841629][ T6746] ERROR: (device loop2): txCommit: [ 240.841629][ T6746] [pid 6752] symlink("/dev/binderfs", "./binderfs" [pid 5863] umount2("./65/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6752] <... symlink resumed>) = 0 [pid 5866] <... close resumed>) = 0 [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6745, si_uid=0, si_status=0, si_utime=9 /* 0.09 s */, si_stime=26 /* 0.26 s */} --- [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6752] write(1, "executing program\n", 18executing program [pid 5865] restart_syscall(<... resuming interrupted clone ...> [pid 5863] newfstatat(AT_FDCWD, "./65/bus", [pid 6752] <... write resumed>) = 18 [pid 5865] <... restart_syscall resumed>) = 0 [pid 5863] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6752] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] umount2("./65/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6752] <... futex resumed>) = 0 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6752] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, [pid 5865] umount2("./66", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5863] openat(AT_FDCWD, "./65/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6752] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5863] <... openat resumed>) = 4 [pid 5865] openat(AT_FDCWD, "./66", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5863] newfstatat(4, "", [pid 5865] <... openat resumed>) = 3 [pid 5863] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6752] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5865] newfstatat(3, "", [pid 5863] getdents64(4, [pid 6752] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5865] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5863] <... getdents64 resumed>0x555566df1770 /* 2 entries */, 32768) = 48 [pid 6752] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5865] getdents64(3, [pid 5863] getdents64(4, [pid 6752] <... mmap resumed>) = 0x7f46d9f21000 [pid 5865] <... getdents64 resumed>0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5863] <... getdents64 resumed>0x555566df1770 /* 0 entries */, 32768) = 0 [pid 6752] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE [pid 5866] <... clone resumed>, child_tidptr=0x555566de8690) = 6753 [pid 5865] umount2("./66/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5863] close(4 [pid 6752] <... mprotect resumed>) = 0 [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5863] <... close resumed>) = 0 ./strace-static-x86_64: Process 6753 attached [pid 6752] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5865] newfstatat(AT_FDCWD, "./66/binderfs", [pid 5863] rmdir("./65/bus" [pid 6752] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5865] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5863] <... rmdir resumed>) = 0 [pid 6752] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} [pid 5865] unlink("./66/binderfs" [pid 5863] getdents64(3, ./strace-static-x86_64: Process 6754 attached [pid 5865] <... unlink resumed>) = 0 [pid 5863] <... getdents64 resumed>0x555566de9730 /* 0 entries */, 32768) = 0 [pid 6754] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6752] <... clone3 resumed> => {parent_tid=[6754]}, 88) = 6754 [pid 5865] umount2("./66/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5863] close(3 [pid 6754] <... rseq resumed>) = 0 [pid 6753] set_robust_list(0x555566de86a0, 24 [pid 6752] rt_sigprocmask(SIG_SETMASK, [], [pid 5863] <... close resumed>) = 0 [pid 6754] set_robust_list(0x7f46d9f419a0, 24 [pid 6753] <... set_robust_list resumed>) = 0 [pid 6752] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5863] rmdir("./65" [pid 6754] <... set_robust_list resumed>) = 0 [pid 6753] chdir("./66" [pid 6752] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] <... rmdir resumed>) = 0 [pid 6754] rt_sigprocmask(SIG_SETMASK, [], [pid 6752] <... futex resumed>) = 0 [pid 5863] mkdir("./66", 0777 [pid 6754] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6753] <... chdir resumed>) = 0 [pid 6752] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6748] <... write resumed>) = 16777216 [pid 6753] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6748] munmap(0x7f46d1a00000, 138412032 [pid 6753] setpgid(0, 0) = 0 [pid 6753] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6753] write(3, "1000", 4) = 4 [pid 5863] <... mkdir resumed>) = 0 [pid 6753] close(3 [pid 6754] memfd_create("syzkaller", 0 [pid 5863] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6753] <... close resumed>) = 0 [pid 6753] symlink("/dev/binderfs", "./binderfs" [pid 5863] <... openat resumed>) = 3 [pid 6753] <... symlink resumed>) = 0 [pid 6753] write(1, "executing program\n", 18executing program ) = 18 [pid 6753] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6753] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6753] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6753] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6753] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6753] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6753] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} => {parent_tid=[6755]}, 88) = 6755 ./strace-static-x86_64: Process 6755 attached [pid 6754] <... memfd_create resumed>) = 3 [pid 6748] <... munmap resumed>) = 0 [pid 5863] ioctl(3, LOOP_CLR_FD [pid 6755] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6754] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6748] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5863] <... ioctl resumed>) = 0 [pid 6755] <... rseq resumed>) = 0 [pid 6754] <... mmap resumed>) = 0x7f46d1a00000 [pid 6753] rt_sigprocmask(SIG_SETMASK, [], [pid 6748] <... openat resumed>) = 4 [pid 5865] <... umount2 resumed>) = 0 [pid 5863] close(3 [pid 6755] set_robust_list(0x7f46d9f419a0, 24 [pid 6753] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6753] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] umount2("./66/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6753] <... futex resumed>) = 0 [pid 6753] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./66/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] umount2("./66/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./66/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [ 240.910135][ T5865] [ 240.910135][ T5865] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 240.910135][ T5865] [ 240.923933][ T5865] [ 240.923933][ T5865] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 240.923933][ T5865] [pid 5865] newfstatat(4, "", [pid 6755] <... set_robust_list resumed>) = 0 [pid 6748] ioctl(4, LOOP_SET_FD, 3 [pid 6755] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6755] memfd_create("syzkaller", 0) = 3 [pid 5865] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6755] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 5865] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5865] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5865] close(4) = 0 [pid 5865] rmdir("./66/bus") = 0 [pid 5865] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./66") = 0 [pid 5865] mkdir("./67", 0777) = 0 [pid 5865] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5865] ioctl(3, LOOP_CLR_FD) = 0 [pid 5865] close(3 [pid 6748] <... ioctl resumed>) = 0 [pid 6748] close(3) = 0 [pid 6748] close(4) = 0 [pid 6748] mkdir("./bus", 0777) = 0 [ 240.972636][ T6748] loop1: detected capacity change from 0 to 32768 [pid 6748] mount("/dev/loop1", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic,") = 0 [pid 6748] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6748] chdir("./bus") = 0 [pid 6748] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6748] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6748] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6747] <... futex resumed>) = 0 [pid 6747] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6747] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6748] <... futex resumed>) = 0 [pid 6748] chdir("./file0") = 0 [pid 6748] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6748] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6747] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6747] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6748] <... futex resumed>) = 0 [ 241.077320][ T6748] [ 241.077320][ T6748] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 241.077320][ T6748] [pid 6747] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6748] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6747] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6748] <... open resumed>) = -1 EIO (Input/output error) [pid 6747] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6748] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6747] <... futex resumed>) = 0 [pid 6748] <... futex resumed>) = 0 [pid 6747] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6748] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6747] <... mmap resumed>) = 0x7f46d9f00000 [pid 6747] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6747] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6747] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0} => {parent_tid=[6756]}, 88) = 6756 ./strace-static-x86_64: Process 6756 attached [pid 6756] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053) = 0 [pid 6756] set_robust_list(0x7f46d9f209a0, 24 [ 241.144848][ T6748] read_mapping_page failed! [ 241.163499][ T6748] ERROR: (device loop1): txCommit: [ 241.163499][ T6748] [pid 6747] rt_sigprocmask(SIG_SETMASK, [], [pid 6756] <... set_robust_list resumed>) = 0 [pid 6747] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6756] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6747] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6756] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x3) [pid 6747] <... futex resumed>) = 0 [pid 6747] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6756] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6756] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6747] <... futex resumed>) = 0 [pid 6756] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6747] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6748] <... futex resumed>) = 0 [pid 6747] <... futex resumed>) = 1 [pid 6748] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6747] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5863] <... close resumed>) = 0 [pid 5863] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6757 attached [pid 6757] set_robust_list(0x555566de86a0, 24 [pid 5863] <... clone resumed>, child_tidptr=0x555566de8690) = 6757 [pid 6757] <... set_robust_list resumed>) = 0 [ 241.217343][ T6756] read_mapping_page failed! [ 241.223420][ T6756] ERROR: (device loop1): txCommit: [ 241.223420][ T6756] [ 241.249440][ T6748] read_mapping_page failed! [ 241.258556][ T6748] ERROR: (device loop1): txCommit: [ 241.258556][ T6748] [pid 6757] chdir("./66" [pid 6747] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6748] <... openat resumed>) = -1 EIO (Input/output error) [pid 6748] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6747] exit_group(0) = ? [pid 6756] <... futex resumed>) = ? [pid 6748] <... futex resumed>) = ? [pid 6748] +++ exited with 0 +++ [pid 6756] +++ exited with 0 +++ [pid 6747] +++ exited with 0 +++ [pid 5864] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6747, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=20 /* 0.20 s */} --- [pid 5864] restart_syscall(<... resuming interrupted clone ...> [pid 6757] <... chdir resumed>) = 0 [pid 6757] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6757] setpgid(0, 0) = 0 [pid 6757] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6757] write(3, "1000", 4) = 4 [pid 6757] close(3) = 0 [pid 6757] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6757] write(1, "executing program\n", 18 [pid 5864] <... restart_syscall resumed>) = 0 [pid 6757] <... write resumed>) = 18 [pid 5864] umount2("./65", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6757] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6755] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5865] <... close resumed>) = 0 [pid 5864] openat(AT_FDCWD, "./65", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6758 attached [pid 5864] <... openat resumed>) = 3 [pid 5865] <... clone resumed>, child_tidptr=0x555566de8690) = 6758 [pid 5864] newfstatat(3, "", [pid 6758] set_robust_list(0x555566de86a0, 24 [pid 6757] <... futex resumed>) = 0 [pid 5864] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6758] <... set_robust_list resumed>) = 0 [pid 5864] getdents64(3, [pid 6757] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, [pid 6754] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6757] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5864] <... getdents64 resumed>0x555566de9730 /* 4 entries */, 32768) = 104 [pid 6757] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5864] umount2("./65/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6757] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6758] chdir("./67" [pid 6757] <... mmap resumed>) = 0x7f46d9f21000 [pid 5864] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6757] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE [pid 5864] newfstatat(AT_FDCWD, "./65/binderfs", [pid 6758] <... chdir resumed>) = 0 [pid 6757] <... mprotect resumed>) = 0 [pid 5864] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6758] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6757] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5864] unlink("./65/binderfs" [pid 6758] <... prctl resumed>) = 0 [pid 6758] setpgid(0, 0) = 0 [pid 6758] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6757] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5864] <... unlink resumed>) = 0 [pid 6757] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} [pid 5864] umount2("./65/bus", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6759 attached [pid 6757] <... clone3 resumed> => {parent_tid=[6759]}, 88) = 6759 [pid 6759] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6758] <... openat resumed>) = 3 [pid 6757] rt_sigprocmask(SIG_SETMASK, [], [pid 6759] <... rseq resumed>) = 0 [pid 6759] set_robust_list(0x7f46d9f419a0, 24 [pid 6758] write(3, "1000", 4 [pid 6759] <... set_robust_list resumed>) = 0 [pid 6757] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6759] rt_sigprocmask(SIG_SETMASK, [], [pid 6757] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6759] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6757] <... futex resumed>) = 0 [pid 6758] <... write resumed>) = 4 [pid 6758] close(3 [pid 6759] memfd_create("syzkaller", 0 [pid 6758] <... close resumed>) = 0 [pid 6757] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}executing program [pid 6758] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6758] write(1, "executing program\n", 18) = 18 [pid 6758] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6759] <... memfd_create resumed>) = 3 [pid 6759] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 6758] <... futex resumed>) = 0 [pid 6758] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6758] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6758] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6758] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6758] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6758] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0}./strace-static-x86_64: Process 6760 attached => {parent_tid=[6760]}, 88) = 6760 [pid 6760] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6758] rt_sigprocmask(SIG_SETMASK, [], [pid 6760] <... rseq resumed>) = 0 [pid 6758] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6760] set_robust_list(0x7f46d9f419a0, 24 [pid 6758] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6760] <... set_robust_list resumed>) = 0 [pid 6758] <... futex resumed>) = 0 [pid 6760] rt_sigprocmask(SIG_SETMASK, [], [pid 6758] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6760] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6760] memfd_create("syzkaller", 0) = 3 [pid 6760] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [ 241.374841][ T5864] [ 241.374841][ T5864] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 241.374841][ T5864] [ 241.410383][ T5864] [ 241.410383][ T5864] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 241.410383][ T5864] [pid 5864] <... umount2 resumed>) = 0 [pid 5864] umount2("./65/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] newfstatat(AT_FDCWD, "./65/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5864] umount2("./65/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] openat(AT_FDCWD, "./65/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5864] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5864] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5864] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5864] close(4) = 0 [pid 5864] rmdir("./65/bus") = 0 [pid 5864] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5864] close(3) = 0 [pid 5864] rmdir("./65") = 0 [pid 5864] mkdir("./66", 0777) = 0 [pid 5864] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5864] ioctl(3, LOOP_CLR_FD) = 0 [pid 5864] close(3) = 0 [pid 5864] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6761 attached [pid 6761] set_robust_list(0x555566de86a0, 24) = 0 [pid 6761] chdir("./66") = 0 [pid 6761] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6761] setpgid(0, 0) = 0 [pid 6761] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5864] <... clone resumed>, child_tidptr=0x555566de8690) = 6761 [pid 6761] <... openat resumed>) = 3 [pid 6761] write(3, "1000", 4) = 4 [pid 6761] close(3) = 0 [pid 6761] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6761] write(1, "executing program\n", 18executing program ) = 18 [pid 6761] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6761] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6761] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6761] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6761] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6761] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6761] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} => {parent_tid=[6762]}, 88) = 6762 ./strace-static-x86_64: Process 6762 attached [pid 6761] rt_sigprocmask(SIG_SETMASK, [], [pid 6762] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6761] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6761] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6761] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6762] <... rseq resumed>) = 0 [pid 6762] set_robust_list(0x7f46d9f419a0, 24) = 0 [pid 6762] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6762] memfd_create("syzkaller", 0) = 3 [pid 6762] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 6754] <... write resumed>) = 16777216 [pid 6759] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6754] munmap(0x7f46d1a00000, 138412032 [pid 6755] <... write resumed>) = 16777216 [pid 6755] munmap(0x7f46d1a00000, 138412032 [pid 6754] <... munmap resumed>) = 0 [pid 6754] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 6754] ioctl(4, LOOP_SET_FD, 3 [pid 6755] <... munmap resumed>) = 0 [pid 6755] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6754] <... ioctl resumed>) = 0 [pid 6754] close(3 [pid 6755] <... openat resumed>) = 4 [pid 6754] <... close resumed>) = 0 [pid 6754] close(4 [pid 6755] ioctl(4, LOOP_SET_FD, 3 [pid 6754] <... close resumed>) = 0 [pid 6760] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6754] mkdir("./bus", 0777 [pid 6755] <... ioctl resumed>) = 0 [pid 6754] <... mkdir resumed>) = 0 [pid 6754] mount("/dev/loop4", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6755] close(3) = 0 [ 241.813549][ T6754] loop4: detected capacity change from 0 to 32768 [ 241.842730][ T6755] loop3: detected capacity change from 0 to 32768 [pid 6755] close(4) = 0 [pid 6755] mkdir("./bus", 0777) = 0 [pid 6755] mount("/dev/loop3", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6754] <... mount resumed>) = 0 [pid 6754] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6754] chdir("./bus") = 0 [pid 6754] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6754] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6752] <... futex resumed>) = 0 [pid 6754] chdir("./file0" [pid 6752] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6752] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6754] <... chdir resumed>) = 0 [pid 6754] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6752] <... futex resumed>) = 0 [pid 6752] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [ 241.875463][ T6754] [ 241.875463][ T6754] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 241.875463][ T6754] [ 241.911818][ T6755] [ 241.911818][ T6755] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 241.911818][ T6755] [pid 6754] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6752] <... futex resumed>) = 0 [pid 6752] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6755] <... mount resumed>) = 0 [ 241.948070][ T6754] read_mapping_page failed! [ 241.952641][ T6754] ERROR: (device loop4): txCommit: [ 241.952641][ T6754] [pid 6755] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6754] <... open resumed>) = -1 EIO (Input/output error) [pid 6755] chdir("./bus" [pid 6754] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6755] <... chdir resumed>) = 0 [pid 6754] <... futex resumed>) = 1 [pid 6752] <... futex resumed>) = 0 [pid 6752] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6755] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6754] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x9) [pid 6752] <... futex resumed>) = 0 [pid 6755] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6752] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6755] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6755] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6753] <... futex resumed>) = 0 [pid 6762] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6753] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6754] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6754] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6752] <... futex resumed>) = 0 [pid 6754] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6755] <... futex resumed>) = 0 [pid 6753] <... futex resumed>) = 1 [pid 6752] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6755] chdir("./file0" [pid 6754] <... futex resumed>) = 0 [pid 6753] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6752] <... futex resumed>) = 1 [pid 6752] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 241.994633][ T6754] read_mapping_page failed! [ 241.999202][ T6754] ERROR: (device loop4): txCommit: [ 241.999202][ T6754] [pid 6754] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6755] <... chdir resumed>) = 0 [pid 6755] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6753] <... futex resumed>) = 0 [pid 6755] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6753] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6753] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6755] <... futex resumed>) = 0 [pid 6755] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6754] <... openat resumed>) = -1 EIO (Input/output error) [pid 6754] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6752] <... futex resumed>) = 0 [pid 6754] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6752] exit_group(0 [pid 6754] <... futex resumed>) = ? [pid 6752] <... exit_group resumed>) = ? [pid 6754] +++ exited with 0 +++ [pid 6752] +++ exited with 0 +++ [pid 6755] <... open resumed>) = -1 EIO (Input/output error) [pid 6755] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6753] <... futex resumed>) = 0 [pid 6755] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 6753] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [ 242.054434][ T6754] read_mapping_page failed! [ 242.059006][ T6754] ERROR: (device loop4): txCommit: [ 242.059006][ T6754] [ 242.076058][ T6755] read_mapping_page failed! [ 242.080621][ T6755] ERROR: (device loop3): txCommit: [ 242.080621][ T6755] [pid 6755] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x7) [pid 6753] <... futex resumed>) = 0 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6752, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=27 /* 0.27 s */} --- [pid 6753] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5867] umount2("./66", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6755] <... mknod resumed>) = -1 EIO (Input/output error) [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./66", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5867] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(3, [pid 6755] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] <... getdents64 resumed>0x555566de9730 /* 4 entries */, 32768) = 104 [pid 6755] <... futex resumed>) = 1 [pid 6753] <... futex resumed>) = 0 [pid 5867] umount2("./66/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6755] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6753] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6753] <... futex resumed>) = 0 [pid 5867] newfstatat(AT_FDCWD, "./66/binderfs", [pid 6753] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 242.104379][ T6755] read_mapping_page failed! [ 242.108931][ T6755] ERROR: (device loop3): txCommit: [ 242.108931][ T6755] [pid 5867] unlink("./66/binderfs") = 0 [pid 5867] umount2("./66/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6755] <... openat resumed>) = -1 EIO (Input/output error) [pid 6755] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6755] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6753] <... futex resumed>) = 0 [ 242.150810][ T6755] read_mapping_page failed! [ 242.156666][ T6755] ERROR: (device loop3): txCommit: [ 242.156666][ T6755] [ 242.165048][ T5867] [ 242.165048][ T5867] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 242.165048][ T5867] [pid 6753] exit_group(0 [pid 6755] <... futex resumed>) = ? [pid 6753] <... exit_group resumed>) = ? [pid 6755] +++ exited with 0 +++ [pid 6753] +++ exited with 0 +++ [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6753, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=35 /* 0.35 s */} --- [pid 5867] <... umount2 resumed>) = 0 [pid 5867] umount2("./66/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./66/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] umount2("./66/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5866] restart_syscall(<... resuming interrupted clone ...> [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./66/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5867] newfstatat(4, "", [pid 5866] <... restart_syscall resumed>) = 0 [pid 5867] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5867] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5867] close(4) = 0 [pid 5867] rmdir("./66/bus") = 0 [pid 5867] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5867] close(3) = 0 [pid 5867] rmdir("./66") = 0 [pid 5867] mkdir("./67", 0777) = 0 [pid 5867] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 6759] <... write resumed>) = 16777216 [pid 5867] ioctl(3, LOOP_CLR_FD [pid 5866] umount2("./66", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] <... ioctl resumed>) = 0 [ 242.193127][ T5867] [ 242.193127][ T5867] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 242.193127][ T5867] [pid 5866] openat(AT_FDCWD, "./66", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5867] close(3 [pid 5866] <... openat resumed>) = 3 [pid 5866] newfstatat(3, "", [pid 6759] munmap(0x7f46d1a00000, 138412032 [pid 5866] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5866] umount2("./66/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6760] <... write resumed>) = 16777216 [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6760] munmap(0x7f46d1a00000, 138412032 [pid 5866] newfstatat(AT_FDCWD, "./66/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] unlink("./66/binderfs" [pid 6759] <... munmap resumed>) = 0 [pid 5866] <... unlink resumed>) = 0 [pid 5866] umount2("./66/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6759] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 6759] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6759] close(3) = 0 [pid 6759] close(4) = 0 [pid 6759] mkdir("./bus", 0777) = 0 [pid 6759] mount("/dev/loop0", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6760] <... munmap resumed>) = 0 [pid 6760] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [ 242.298304][ T6759] loop0: detected capacity change from 0 to 32768 [ 242.323633][ T5866] [ 242.323633][ T5866] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 242.323633][ T5866] [pid 6760] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6760] close(3) = 0 [pid 6760] close(4) = 0 [pid 6760] mkdir("./bus", 0777) = 0 [pid 6760] mount("/dev/loop2", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 5866] <... umount2 resumed>) = 0 [pid 5866] umount2("./66/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./66/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] umount2("./66/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] openat(AT_FDCWD, "./66/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [ 242.354264][ T5866] [ 242.354264][ T5866] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 242.354264][ T5866] [ 242.354975][ T6759] [ 242.354975][ T6759] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 242.354975][ T6759] [ 242.366088][ T6760] loop2: detected capacity change from 0 to 32768 [pid 5866] newfstatat(4, "", [pid 6759] <... mount resumed>) = 0 [pid 6759] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6759] chdir("./bus") = 0 [pid 6759] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6759] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6757] <... futex resumed>) = 0 [pid 6759] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6757] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6759] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6757] <... futex resumed>) = 0 [pid 6759] chdir("./file0") = 0 [pid 6757] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6759] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6757] <... futex resumed>) = 0 [pid 6759] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6757] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6757] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6762] <... write resumed>) = 16777216 [pid 5866] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6762] munmap(0x7f46d1a00000, 138412032 [pid 5866] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5866] getdents64(4, [pid 6760] <... mount resumed>) = 0 [pid 5866] <... getdents64 resumed>0x555566df1770 /* 0 entries */, 32768) = 0 [pid 6760] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5866] close(4) = 0 [pid 6760] <... openat resumed>) = 3 [pid 5866] rmdir("./66/bus" [pid 6759] <... open resumed>) = -1 EIO (Input/output error) [pid 5866] <... rmdir resumed>) = 0 [pid 6759] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] getdents64(3, [pid 6760] chdir("./bus" [pid 6759] <... futex resumed>) = 1 [pid 6757] <... futex resumed>) = 0 [pid 5866] <... getdents64 resumed>0x555566de9730 /* 0 entries */, 32768) = 0 [pid 6760] <... chdir resumed>) = 0 [pid 5866] close(3 [ 242.444205][ T6760] [ 242.444205][ T6760] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 242.444205][ T6760] [ 242.455424][ T6759] read_mapping_page failed! [ 242.459970][ T6759] ERROR: (device loop0): txCommit: [ 242.459970][ T6759] [pid 6760] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6759] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x1) [pid 6757] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] <... close resumed>) = 0 [pid 6762] <... munmap resumed>) = 0 [pid 6760] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] rmdir("./66" [pid 6757] <... futex resumed>) = 0 [pid 6757] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] <... rmdir resumed>) = 0 [pid 6760] <... futex resumed>) = 1 [pid 6758] <... futex resumed>) = 0 [pid 6758] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6760] chdir("./file0" [pid 6758] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6762] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5866] mkdir("./67", 0777 [pid 6760] <... chdir resumed>) = 0 [pid 6760] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6759] <... mknod resumed>) = -1 EIO (Input/output error) [pid 5866] <... mkdir resumed>) = 0 [pid 6760] <... futex resumed>) = 1 [pid 6758] <... futex resumed>) = 0 [pid 6760] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6758] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6762] <... openat resumed>) = 4 [pid 5866] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6759] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6757] <... futex resumed>) = 0 [pid 6762] ioctl(4, LOOP_SET_FD, 3 [pid 6758] <... futex resumed>) = 0 [pid 6757] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] <... openat resumed>) = 3 [pid 6757] <... futex resumed>) = 0 [pid 6757] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 242.485943][ T6759] read_mapping_page failed! [ 242.490513][ T6759] ERROR: (device loop0): txCommit: [ 242.490513][ T6759] [ 242.517732][ T6760] read_mapping_page failed! [ 242.519744][ T6759] read_mapping_page failed! [ 242.522860][ T6760] ERROR: (device loop2): txCommit: [ 242.522860][ T6760] [pid 6759] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6758] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] ioctl(3, LOOP_CLR_FD [pid 6762] <... ioctl resumed>) = 0 [pid 5866] <... ioctl resumed>) = 0 [pid 5866] close(3 [pid 6757] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6757] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 6762] close(3 [pid 6759] <... openat resumed>) = -1 EIO (Input/output error) [pid 6759] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6759] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6757] exit_group(0 [pid 6759] <... futex resumed>) = ? [pid 6757] <... exit_group resumed>) = ? [pid 6762] <... close resumed>) = 0 [pid 6759] +++ exited with 0 +++ [pid 6757] +++ exited with 0 +++ [pid 6762] close(4 [pid 5863] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6757, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=31 /* 0.31 s */} --- [pid 6762] <... close resumed>) = 0 [pid 5863] restart_syscall(<... resuming interrupted clone ...> [ 242.535076][ T6759] ERROR: (device loop0): txCommit: [ 242.535076][ T6759] [ 242.537062][ T6762] loop1: detected capacity change from 0 to 32768 [pid 6762] mkdir("./bus", 0777 [pid 5863] <... restart_syscall resumed>) = 0 [pid 5863] umount2("./66", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] openat(AT_FDCWD, "./66", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6762] <... mkdir resumed>) = 0 [pid 5863] <... openat resumed>) = 3 [pid 5863] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5863] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5863] umount2("./66/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] newfstatat(AT_FDCWD, "./66/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5863] unlink("./66/binderfs") = 0 [pid 5863] umount2("./66/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5867] <... close resumed>) = 0 [pid 6762] mount("/dev/loop1", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6760] <... open resumed>) = -1 EIO (Input/output error) [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6760] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6758] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6760] <... futex resumed>) = 0 [pid 6758] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6760] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x5) [pid 6758] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6765 attached [pid 5867] <... clone resumed>, child_tidptr=0x555566de8690) = 6765 [pid 6765] set_robust_list(0x555566de86a0, 24) = 0 [pid 6765] chdir("./67") = 0 [pid 6765] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6765] setpgid(0, 0) = 0 [pid 6765] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6765] write(3, "1000", 4) = 4 [pid 6765] close(3) = 0 [pid 6765] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6765] write(1, "executing program\n", 18) = 18 [pid 6765] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6765] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6765] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6765] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6765] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6765] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6765] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0}./strace-static-x86_64: Process 6766 attached => {parent_tid=[6766]}, 88) = 6766 [pid 6765] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6765] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6766] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6765] <... futex resumed>) = 0 [pid 6766] <... rseq resumed>) = 0 [ 242.602734][ T6760] read_mapping_page failed! [ 242.609136][ T5863] [ 242.609136][ T5863] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 242.609136][ T5863] [ 242.622112][ T6760] ERROR: (device loop2): txCommit: [ 242.622112][ T6760] [ 242.647290][ T5863] [pid 6765] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6766] set_robust_list(0x7f46d9f419a0, 24 [pid 6760] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6758] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6758] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6760] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6758] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6760] <... futex resumed>) = 0 [pid 6760] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6758] <... mmap resumed>) = 0x7f46d9f00000 [pid 6758] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6758] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6766] <... set_robust_list resumed>) = 0 [pid 6758] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6758] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0} [pid 6766] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6767 attached NULL, 8) = 0 [pid 6767] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053 [pid 6766] memfd_create("syzkaller", 0 [pid 6758] <... clone3 resumed> => {parent_tid=[6767]}, 88) = 6767 [pid 6767] <... rseq resumed>) = 0 [pid 6758] rt_sigprocmask(SIG_SETMASK, [], [pid 6767] set_robust_list(0x7f46d9f209a0, 24 [pid 6758] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6767] <... set_robust_list resumed>) = 0 [pid 6758] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6767] rt_sigprocmask(SIG_SETMASK, [], [pid 6758] <... futex resumed>) = 0 [pid 6767] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6758] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6766] <... memfd_create resumed>) = 3 [pid 6766] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [ 242.647290][ T5863] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 242.647290][ T5863] [pid 6767] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 5863] <... umount2 resumed>) = 0 [pid 5863] umount2("./66/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] newfstatat(AT_FDCWD, "./66/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5863] umount2("./66/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] openat(AT_FDCWD, "./66/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5863] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5863] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5863] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5863] close(4) = 0 [pid 5863] rmdir("./66/bus") = 0 [pid 5863] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5863] close(3) = 0 [pid 5863] rmdir("./66") = 0 [pid 5863] mkdir("./67", 0777) = 0 [pid 5863] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5863] ioctl(3, LOOP_CLR_FD) = 0 [pid 5863] close(3 [pid 6758] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6767] <... openat resumed>) = -1 EIO (Input/output error) [pid 6767] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6767] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6762] <... mount resumed>) = 0 [pid 6758] exit_group(0 [pid 6767] <... futex resumed>) = ? [pid 6762] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6760] <... futex resumed>) = ? [pid 6758] <... exit_group resumed>) = ? [pid 6760] +++ exited with 0 +++ [pid 6762] <... openat resumed>) = 3 [pid 6767] +++ exited with 0 +++ [pid 6758] +++ exited with 0 +++ [pid 6762] chdir("./bus" [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6758, si_uid=0, si_status=0, si_utime=9 /* 0.09 s */, si_stime=29 /* 0.29 s */} --- [pid 6762] <... chdir resumed>) = 0 [pid 5865] restart_syscall(<... resuming interrupted clone ...> [pid 6762] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6762] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] <... restart_syscall resumed>) = 0 [pid 6762] <... futex resumed>) = 1 [pid 6761] <... futex resumed>) = 0 [pid 6761] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6762] chdir("./file0" [pid 5865] umount2("./67", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6761] <... futex resumed>) = 0 [pid 6761] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./67", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 6762] <... chdir resumed>) = 0 [ 242.676854][ T6762] [ 242.676854][ T6762] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 242.676854][ T6762] [ 242.692795][ T6767] read_mapping_page failed! [ 242.711208][ T6767] ERROR: (device loop2): txCommit: [ 242.711208][ T6767] [pid 5865] newfstatat(3, "", [pid 6762] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6762] <... futex resumed>) = 1 [pid 6761] <... futex resumed>) = 0 [pid 5865] getdents64(3, [pid 6762] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6761] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] <... getdents64 resumed>0x555566de9730 /* 4 entries */, 32768) = 104 [pid 6761] <... futex resumed>) = 0 [pid 5865] umount2("./67/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6761] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./67/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./67/binderfs") = 0 [pid 5865] umount2("./67/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6762] <... open resumed>) = -1 EIO (Input/output error) [pid 6762] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6761] <... futex resumed>) = 0 [pid 6761] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6761] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 242.773780][ T6762] read_mapping_page failed! [ 242.778890][ T6762] ERROR: (device loop1): txCommit: [ 242.778890][ T6762] [pid 6762] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x3) [pid 6761] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6761] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6761] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f00000 [pid 6761] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6761] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6761] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0}./strace-static-x86_64: Process 6768 attached => {parent_tid=[6768]}, 88) = 6768 [pid 6761] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6761] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6761] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6768] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053) = 0 [ 242.817782][ T5865] [ 242.817782][ T5865] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 242.817782][ T5865] [ 242.829263][ T6762] read_mapping_page failed! [ 242.837064][ T6762] ERROR: (device loop1): txCommit: [ 242.837064][ T6762] [ 242.858650][ T5865] [ 242.858650][ T5865] ... Log Wrap ... Log Wrap ... Log Wrap ... [pid 6768] set_robust_list(0x7f46d9f209a0, 24) = 0 [pid 6768] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6762] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6768] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777) = -1 EIO (Input/output error) [pid 6762] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] <... close resumed>) = 0 [pid 5865] <... umount2 resumed>) = 0 [pid 6768] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6762] <... futex resumed>) = 0 [pid 6762] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5865] umount2("./67/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6768] <... futex resumed>) = 1 [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6768] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6761] <... futex resumed>) = 0 [pid 5865] newfstatat(AT_FDCWD, "./67/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6761] exit_group(0 [pid 6762] <... futex resumed>) = ? [pid 6761] <... exit_group resumed>) = ? [pid 6762] +++ exited with 0 +++ [pid 6768] <... futex resumed>) = ? [pid 5865] umount2("./67/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6768] +++ exited with 0 +++ [pid 6761] +++ exited with 0 +++ [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5864] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6761, si_uid=0, si_status=0, si_utime=9 /* 0.09 s */, si_stime=29 /* 0.29 s */} --- [pid 5864] umount2("./66", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] openat(AT_FDCWD, "./66", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5864] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5864] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5864] umount2("./66/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] newfstatat(AT_FDCWD, "./66/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5864] unlink("./66/binderfs" [pid 5865] openat(AT_FDCWD, "./67/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5864] <... unlink resumed>) = 0 [pid 5865] <... openat resumed>) = 4 [pid 5864] umount2("./66/bus", MNT_FORCE|UMOUNT_NOFOLLOW [ 242.858650][ T5865] [ 242.875095][ T6768] read_mapping_page failed! [ 242.879653][ T6768] ERROR: (device loop1): txCommit: [ 242.879653][ T6768] [pid 5865] newfstatat(4, "", ./strace-static-x86_64: Process 6769 attached {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6769] set_robust_list(0x555566de86a0, 24 [pid 5866] <... clone resumed>, child_tidptr=0x555566de8690) = 6769 [pid 6769] <... set_robust_list resumed>) = 0 [pid 5865] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 6769] chdir("./67") = 0 [pid 5865] getdents64(4, [pid 6769] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5865] <... getdents64 resumed>0x555566df1770 /* 0 entries */, 32768) = 0 [pid 6769] <... prctl resumed>) = 0 [pid 5865] close(4) = 0 [pid 6769] setpgid(0, 0 [pid 5865] rmdir("./67/bus" [pid 6769] <... setpgid resumed>) = 0 [pid 5865] <... rmdir resumed>) = 0 [pid 6769] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5865] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5865] close(3 [pid 6769] <... openat resumed>) = 3 [pid 5865] <... close resumed>) = 0 [pid 5865] rmdir("./67" [pid 6769] write(3, "1000", 4 [pid 5865] <... rmdir resumed>) = 0 [pid 5864] <... umount2 resumed>) = 0 [pid 6769] <... write resumed>) = 4 [pid 6769] close(3) = 0 [pid 5865] mkdir("./68", 0777 [pid 6769] symlink("/dev/binderfs", "./binderfs" [pid 5864] umount2("./66/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6769] <... symlink resumed>) = 0 [pid 5864] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5864] newfstatat(AT_FDCWD, "./66/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5864] umount2("./66/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] openat(AT_FDCWD, "./66/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5864] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5864] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5864] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5864] close(4) = 0 [pid 5864] rmdir("./66/bus"executing program [pid 6769] write(1, "executing program\n", 18 [pid 5865] <... mkdir resumed>) = 0 [pid 5864] <... rmdir resumed>) = 0 [pid 6769] <... write resumed>) = 18 [pid 5865] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5864] getdents64(3, [pid 6769] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] <... getdents64 resumed>0x555566de9730 /* 0 entries */, 32768) = 0 [pid 6769] <... futex resumed>) = 0 [pid 5865] <... openat resumed>) = 3 [pid 5864] close(3 [pid 6769] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, [pid 5865] ioctl(3, LOOP_CLR_FD [pid 5864] <... close resumed>) = 0 [pid 6769] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5865] <... ioctl resumed>) = 0 [pid 5864] rmdir("./66" [pid 6769] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5865] close(3 [pid 5864] <... rmdir resumed>) = 0 [pid 5864] mkdir("./67", 0777) = 0 [ 242.913483][ T5864] [ 242.913483][ T5864] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 242.913483][ T5864] [ 242.924375][ T5864] [ 242.924375][ T5864] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 242.924375][ T5864] [pid 5864] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5864] ioctl(3, LOOP_CLR_FD) = 0 [pid 5864] close(3 [pid 6769] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6769] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6769] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6769] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6769] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0}./strace-static-x86_64: Process 6770 attached => {parent_tid=[6770]}, 88) = 6770 [pid 6770] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6769] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6769] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6770] <... rseq resumed>) = 0 [pid 6769] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6770] set_robust_list(0x7f46d9f419a0, 24) = 0 [pid 6770] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6770] memfd_create("syzkaller", 0) = 3 [pid 6770] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 6766] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5863] <... close resumed>) = 0 [pid 5863] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555566de8690) = 6772 ./strace-static-x86_64: Process 6772 attached [pid 6772] set_robust_list(0x555566de86a0, 24) = 0 [pid 6772] chdir("./67") = 0 [pid 6772] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6772] setpgid(0, 0) = 0 executing program [pid 6772] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6772] write(3, "1000", 4) = 4 [pid 6772] close(3) = 0 [pid 6772] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6772] write(1, "executing program\n", 18) = 18 [pid 6772] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6772] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6772] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6772] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6772] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6772] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6772] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} => {parent_tid=[6773]}, 88) = 6773 [pid 6772] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6772] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6772] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 6773 attached [pid 6773] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053) = 0 [pid 6773] set_robust_list(0x7f46d9f419a0, 24) = 0 [pid 6773] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6773] memfd_create("syzkaller", 0) = 3 [pid 6773] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 5865] <... close resumed>) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5864] <... close resumed>) = 0 [pid 5865] <... clone resumed>, child_tidptr=0x555566de8690) = 6775 ./strace-static-x86_64: Process 6775 attached [pid 6775] set_robust_list(0x555566de86a0, 24) = 0 [pid 6775] chdir("./68" [pid 5864] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6775] <... chdir resumed>) = 0 [pid 6775] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6775] setpgid(0, 0) = 0 [pid 6775] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6775] write(3, "1000", 4) = 4 [pid 6775] close(3) = 0 [pid 6775] symlink("/dev/binderfs", "./binderfs") = 0 ./strace-static-x86_64: Process 6776 attached [pid 6776] set_robust_list(0x555566de86a0, 24 [pid 5864] <... clone resumed>, child_tidptr=0x555566de8690) = 6776 [pid 6776] <... set_robust_list resumed>) = 0 [pid 6776] chdir("./67") = 0 [pid 6776] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6776] setpgid(0, 0) = 0 [pid 6776] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6776] write(3, "1000", 4) = 4 [pid 6776] close(3 [pid 6775] write(1, "executing program\n", 18 [pid 6776] <... close resumed>) = 0 executing program [pid 6776] symlink("/dev/binderfs", "./binderfs" [pid 6775] <... write resumed>) = 18 [pid 6776] <... symlink resumed>) = 0 [pid 6775] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6776] write(1, "executing program\n", 18 [pid 6775] <... futex resumed>) = 0 executing program [pid 6776] <... write resumed>) = 18 [pid 6775] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, [pid 6776] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6775] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6776] <... futex resumed>) = 0 [pid 6776] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, [pid 6775] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6776] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6775] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6776] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6775] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6776] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6775] <... mmap resumed>) = 0x7f46d9f21000 [pid 6776] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6775] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE [pid 6776] <... mmap resumed>) = 0x7f46d9f21000 [pid 6775] <... mprotect resumed>) = 0 [pid 6776] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE [pid 6775] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6776] <... mprotect resumed>) = 0 [pid 6775] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6776] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6775] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} [pid 6776] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6776] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} [pid 6775] <... clone3 resumed> => {parent_tid=[6777]}, 88) = 6777 ./strace-static-x86_64: Process 6778 attached [pid 6775] rt_sigprocmask(SIG_SETMASK, [], [pid 6776] <... clone3 resumed> => {parent_tid=[6778]}, 88) = 6778 [pid 6775] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6776] rt_sigprocmask(SIG_SETMASK, [], [pid 6775] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6770] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216./strace-static-x86_64: Process 6777 attached [pid 6776] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6775] <... futex resumed>) = 0 [pid 6778] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6777] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6776] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6775] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6778] <... rseq resumed>) = 0 [pid 6777] <... rseq resumed>) = 0 [pid 6776] <... futex resumed>) = 0 [pid 6778] set_robust_list(0x7f46d9f419a0, 24 [pid 6777] set_robust_list(0x7f46d9f419a0, 24 [pid 6776] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6778] <... set_robust_list resumed>) = 0 [pid 6777] <... set_robust_list resumed>) = 0 [pid 6777] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6778] rt_sigprocmask(SIG_SETMASK, [], [pid 6777] memfd_create("syzkaller", 0 [pid 6778] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6777] <... memfd_create resumed>) = 3 [pid 6777] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6778] memfd_create("syzkaller", 0 [pid 6777] <... mmap resumed>) = 0x7f46d1a00000 [pid 6778] <... memfd_create resumed>) = 3 [pid 6778] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 6766] <... write resumed>) = 16777216 [pid 6766] munmap(0x7f46d1a00000, 138412032) = 0 [pid 6766] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 6766] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6766] close(3) = 0 [pid 6766] close(4) = 0 [pid 6766] mkdir("./bus", 0777) = 0 [pid 6766] mount("/dev/loop4", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [ 243.470560][ T6766] loop4: detected capacity change from 0 to 32768 [pid 6773] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6766] <... mount resumed>) = 0 [pid 6766] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6766] chdir("./bus") = 0 [pid 6766] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6766] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6766] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6765] <... futex resumed>) = 0 [pid 6765] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6766] <... futex resumed>) = 0 [pid 6765] <... futex resumed>) = 1 [pid 6766] chdir("./file0" [pid 6765] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6766] <... chdir resumed>) = 0 [pid 6766] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6765] <... futex resumed>) = 0 [pid 6766] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6765] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 243.544408][ T6766] [ 243.544408][ T6766] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 243.544408][ T6766] [ 243.587900][ T6766] read_mapping_page failed! [pid 6765] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 6765] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6765] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f00000 [pid 6765] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6765] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6766] <... open resumed>) = -1 EIO (Input/output error) [pid 6765] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0}./strace-static-x86_64: Process 6780 attached [pid 6766] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6765] <... clone3 resumed> => {parent_tid=[6780]}, 88) = 6780 [pid 6766] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6765] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6765] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6765] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6780] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053) = 0 [pid 6780] set_robust_list(0x7f46d9f209a0, 24) = 0 [pid 6780] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [ 243.613752][ T6766] ERROR: (device loop4): txCommit: [ 243.613752][ T6766] [ 243.643967][ T6780] read_mapping_page failed! [pid 6780] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x9) [pid 6765] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6765] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 6780] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6765] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6765] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6766] <... futex resumed>) = 0 [pid 6780] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6766] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6765] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6780] <... futex resumed>) = 0 [ 243.663282][ T6780] ERROR: (device loop4): txCommit: [ 243.663282][ T6780] [ 243.701548][ T6766] read_mapping_page failed! [pid 6780] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6766] <... openat resumed>) = -1 EIO (Input/output error) [pid 6766] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6765] <... futex resumed>) = 0 [pid 6765] exit_group(0) = ? [pid 6766] +++ exited with 0 +++ [pid 6778] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6780] <... futex resumed>) = ? [ 243.713066][ T6766] ERROR: (device loop4): txCommit: [ 243.713066][ T6766] [pid 6777] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6780] +++ exited with 0 +++ [pid 6765] +++ exited with 0 +++ [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6765, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=27 /* 0.27 s */} --- [pid 5867] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5867] umount2("./67", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./67", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5867] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5867] umount2("./67/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./67/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] unlink("./67/binderfs") = 0 [pid 5867] umount2("./67/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6770] <... write resumed>) = 16777216 [pid 6770] munmap(0x7f46d1a00000, 138412032) = 0 [pid 5867] <... umount2 resumed>) = 0 [pid 5867] umount2("./67/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./67/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] umount2("./67/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./67/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 6770] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5867] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5867] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5867] close(4 [pid 6770] <... openat resumed>) = 4 [pid 5867] <... close resumed>) = 0 [pid 5867] rmdir("./67/bus") = 0 [pid 5867] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5867] close(3) = 0 [pid 5867] rmdir("./67") = 0 [pid 5867] mkdir("./68", 0777) = 0 [pid 5867] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [ 243.793860][ T5867] [ 243.793860][ T5867] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 243.793860][ T5867] [ 243.824613][ T5867] [ 243.824613][ T5867] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 243.824613][ T5867] [pid 5867] ioctl(3, LOOP_CLR_FD [pid 6770] ioctl(4, LOOP_SET_FD, 3 [pid 5867] <... ioctl resumed>) = 0 [pid 5867] close(3 [pid 6770] <... ioctl resumed>) = 0 [pid 6770] close(3) = 0 [pid 6770] close(4) = 0 [pid 6770] mkdir("./bus", 0777) = 0 [ 243.870864][ T6770] loop3: detected capacity change from 0 to 32768 [ 243.926424][ T6770] [ 243.926424][ T6770] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 243.926424][ T6770] [pid 6770] mount("/dev/loop3", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6773] <... write resumed>) = 16777216 [pid 6770] <... mount resumed>) = 0 [pid 6770] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6773] munmap(0x7f46d1a00000, 138412032 [pid 6770] chdir("./bus") = 0 [pid 6770] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6770] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6769] <... futex resumed>) = 0 [pid 6773] <... munmap resumed>) = 0 [pid 6770] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6769] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6770] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6769] <... futex resumed>) = 0 [pid 6770] chdir("./file0" [pid 6769] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6770] <... chdir resumed>) = 0 [pid 6770] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6773] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6770] <... futex resumed>) = 1 [pid 6769] <... futex resumed>) = 0 [pid 6770] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6769] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6770] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6773] <... openat resumed>) = 4 [pid 6770] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6769] <... futex resumed>) = 0 [pid 6773] ioctl(4, LOOP_SET_FD, 3 [pid 6769] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6773] <... ioctl resumed>) = 0 [pid 6773] close(3) = 0 [pid 6770] <... open resumed>) = -1 EIO (Input/output error) [pid 6769] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6773] close(4) = 0 [pid 6773] mkdir("./bus", 0777) = 0 [pid 6769] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6773] mount("/dev/loop0", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6769] <... futex resumed>) = 0 [pid 6770] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6769] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6770] <... futex resumed>) = 0 [pid 6769] <... mmap resumed>) = 0x7f46d9f00000 [pid 6769] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE [pid 6770] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6769] <... mprotect resumed>) = 0 [ 244.059573][ T6770] read_mapping_page failed! [ 244.059751][ T6773] loop0: detected capacity change from 0 to 32768 [ 244.083036][ T6770] ERROR: (device loop3): txCommit: [ 244.083036][ T6770] [pid 6769] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6769] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0} => {parent_tid=[6781]}, 88) = 6781 [pid 6769] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6769] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6769] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6781 attached [pid 6781] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053) = 0 [pid 6781] set_robust_list(0x7f46d9f209a0, 24) = 0 [pid 6781] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6781] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x7) [pid 6777] <... write resumed>) = 16777216 [pid 6773] <... mount resumed>) = 0 [pid 6773] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6777] munmap(0x7f46d1a00000, 138412032 [pid 6773] <... openat resumed>) = 3 [pid 6769] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6773] chdir("./bus" [pid 6769] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6773] <... chdir resumed>) = 0 [pid 6770] <... futex resumed>) = 0 [pid 6769] <... futex resumed>) = 1 [pid 6770] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [ 244.120471][ T6773] [ 244.120471][ T6773] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 244.120471][ T6773] [ 244.155254][ T6781] read_mapping_page failed! [ 244.159825][ T6781] ERROR: (device loop3): txCommit: [ 244.159825][ T6781] [pid 6769] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6773] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6781] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6781] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6781] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6773] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6773] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6772] <... futex resumed>) = 0 [pid 6772] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6772] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6773] chdir("./file0" [pid 6777] <... munmap resumed>) = 0 [pid 6773] <... chdir resumed>) = 0 [pid 6777] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6773] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6777] <... openat resumed>) = 4 [pid 6773] <... futex resumed>) = 1 [pid 6772] <... futex resumed>) = 0 [pid 6772] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6772] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6777] ioctl(4, LOOP_SET_FD, 3 [pid 6773] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 5867] <... close resumed>) = 0 [pid 6778] <... write resumed>) = 16777216 [pid 6770] <... openat resumed>) = -1 EIO (Input/output error) [pid 6769] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555566de8690) = 6782 [pid 6778] munmap(0x7f46d1a00000, 138412032 [pid 6770] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6770] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 6782 attached [pid 6777] <... ioctl resumed>) = 0 [pid 6773] <... open resumed>) = -1 EIO (Input/output error) [pid 6769] exit_group(0 [pid 6782] set_robust_list(0x555566de86a0, 24 [pid 6781] <... futex resumed>) = ? [pid 6769] <... exit_group resumed>) = ? [pid 6782] <... set_robust_list resumed>) = 0 [pid 6781] +++ exited with 0 +++ [pid 6770] <... futex resumed>) = ? [pid 6782] chdir("./68" [pid 6777] close(3 [pid 6773] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6770] +++ exited with 0 +++ [pid 6769] +++ exited with 0 +++ [pid 6782] <... chdir resumed>) = 0 [pid 6777] <... close resumed>) = 0 [pid 6773] <... futex resumed>) = 1 [pid 6772] <... futex resumed>) = 0 [ 244.195340][ T6770] read_mapping_page failed! [ 244.199923][ T6770] ERROR: (device loop3): txCommit: [ 244.199923][ T6770] [ 244.225918][ T6777] loop2: detected capacity change from 0 to 32768 [ 244.233608][ T6773] read_mapping_page failed! [ 244.238158][ T6773] ERROR: (device loop0): txCommit: [ 244.238158][ T6773] [pid 6782] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6777] close(4 [pid 6773] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6772] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6769, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=29 /* 0.29 s */} --- [pid 6782] <... prctl resumed>) = 0 [pid 6777] <... close resumed>) = 0 [pid 6773] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6772] <... futex resumed>) = 0 [pid 6772] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6773] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x1) [pid 6782] setpgid(0, 0 [pid 6777] mkdir("./bus", 0777 [pid 6782] <... setpgid resumed>) = 0 [pid 6778] <... munmap resumed>) = 0 [pid 6777] <... mkdir resumed>) = 0 [pid 6782] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5866] umount2("./67", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] openat(AT_FDCWD, "./67", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5866] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6778] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5866] getdents64(3, [pid 6778] <... openat resumed>) = 4 [pid 5866] <... getdents64 resumed>0x555566de9730 /* 4 entries */, 32768) = 104 [pid 6778] ioctl(4, LOOP_SET_FD, 3 [pid 5866] umount2("./67/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6782] write(3, "1000", 4 [pid 6777] mount("/dev/loop2", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6773] <... mknod resumed>) = -1 EIO (Input/output error) [pid 5866] newfstatat(AT_FDCWD, "./67/binderfs", [pid 6782] <... write resumed>) = 4 [pid 5866] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] unlink("./67/binderfs") = 0 [pid 5866] umount2("./67/bus", MNT_FORCE|UMOUNT_NOFOLLOW [ 244.261998][ T6773] read_mapping_page failed! [ 244.268622][ T6773] ERROR: (device loop0): txCommit: [ 244.268622][ T6773] [ 244.282909][ T6778] loop1: detected capacity change from 0 to 32768 [ 244.298459][ T6777] [ 244.298459][ T6777] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 244.298459][ T6777] [pid 6782] close(3 [pid 6778] <... ioctl resumed>) = 0 [pid 6782] <... close resumed>) = 0 [pid 6773] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6782] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6778] close(3 [pid 6777] <... mount resumed>) = 0 [pid 6773] <... futex resumed>) = 1 [pid 6772] <... futex resumed>) = 0 [pid 6772] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6772] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6782] write(1, "executing program\n", 18 [pid 6777] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6773] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6782] <... write resumed>) = 18 [pid 6782] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6778] <... close resumed>) = 0 [pid 6777] <... openat resumed>) = 3 [pid 6782] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, [pid 6777] chdir("./bus") = 0 [pid 6778] close(4 [pid 6777] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6778] <... close resumed>) = 0 [pid 6778] mkdir("./bus", 0777 [pid 5866] <... umount2 resumed>) = 0 [pid 6782] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6778] <... mkdir resumed>) = 0 [pid 6777] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6773] <... openat resumed>) = -1 EIO (Input/output error) [ 244.311203][ T5866] [ 244.311203][ T5866] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 244.311203][ T5866] [ 244.325629][ T5866] [ 244.325629][ T5866] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 244.325629][ T5866] [ 244.327560][ T6773] read_mapping_page failed! [ 244.344400][ T6773] ERROR: (device loop0): txCommit: [ 244.344400][ T6773] [pid 6777] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6778] mount("/dev/loop1", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6777] <... futex resumed>) = 1 [pid 6782] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6775] <... futex resumed>) = 0 [pid 6773] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] umount2("./67/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6775] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6773] <... futex resumed>) = 1 [pid 6772] <... futex resumed>) = 0 [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6777] chdir("./file0" [pid 6775] <... futex resumed>) = 0 [pid 6773] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6772] exit_group(0 [pid 6775] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6773] <... futex resumed>) = ? [pid 6772] <... exit_group resumed>) = ? [pid 5866] newfstatat(AT_FDCWD, "./67/bus", [pid 6777] <... chdir resumed>) = 0 [pid 6773] +++ exited with 0 +++ [pid 6772] +++ exited with 0 +++ [pid 5866] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] umount2("./67/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5863] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6772, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=31 /* 0.31 s */} --- [pid 6777] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5863] restart_syscall(<... resuming interrupted clone ...> [pid 6782] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6777] <... futex resumed>) = 1 [pid 6775] <... futex resumed>) = 0 [pid 5866] openat(AT_FDCWD, "./67/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6782] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6777] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6775] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6782] <... mmap resumed>) = 0x7f46d9f21000 [pid 5866] <... openat resumed>) = 4 [pid 6782] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE [pid 6775] <... futex resumed>) = 0 [pid 5866] newfstatat(4, "", [pid 6782] <... mprotect resumed>) = 0 [pid 6775] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6782] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5866] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6782] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6782] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} [pid 5866] getdents64(4, ./strace-static-x86_64: Process 6783 attached 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 6783] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6782] <... clone3 resumed> => {parent_tid=[6783]}, 88) = 6783 [pid 5866] getdents64(4, [pid 6783] <... rseq resumed>) = 0 [pid 6782] rt_sigprocmask(SIG_SETMASK, [], [pid 5866] <... getdents64 resumed>0x555566df1770 /* 0 entries */, 32768) = 0 [pid 6783] set_robust_list(0x7f46d9f419a0, 24 [pid 6782] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5866] close(4 [pid 6782] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] <... close resumed>) = 0 [pid 6782] <... futex resumed>) = 0 [pid 5866] rmdir("./67/bus" [pid 6782] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5866] <... rmdir resumed>) = 0 [pid 5863] <... restart_syscall resumed>) = 0 [pid 6783] <... set_robust_list resumed>) = 0 [pid 5866] getdents64(3, [pid 6783] rt_sigprocmask(SIG_SETMASK, [], [pid 5866] <... getdents64 resumed>0x555566de9730 /* 0 entries */, 32768) = 0 [pid 6783] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5866] close(3 [pid 5863] umount2("./67", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6783] memfd_create("syzkaller", 0 [pid 6777] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5863] openat(AT_FDCWD, "./67", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5863] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5863] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 6777] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 5863] umount2("./67/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] newfstatat(AT_FDCWD, "./67/binderfs", [pid 5866] <... close resumed>) = 0 [pid 5863] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] rmdir("./67" [pid 5863] unlink("./67/binderfs" [pid 5866] <... rmdir resumed>) = 0 [pid 5863] <... unlink resumed>) = 0 [pid 5863] umount2("./67/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6783] <... memfd_create resumed>) = 3 [pid 5866] mkdir("./68", 0777 [pid 6783] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5866] <... mkdir resumed>) = 0 [pid 6783] <... mmap resumed>) = 0x7f46d1a00000 [pid 5866] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5866] ioctl(3, LOOP_CLR_FD) = 0 [pid 5866] close(3 [pid 6778] <... mount resumed>) = 0 [pid 6775] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 244.361151][ T6778] [ 244.361151][ T6778] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 244.361151][ T6778] [ 244.376660][ T6777] read_mapping_page failed! [ 244.382065][ T5863] [ 244.382065][ T5863] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 244.382065][ T5863] [ 244.386715][ T6777] ERROR: (device loop2): txCommit: [ 244.386715][ T6777] [pid 6778] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6775] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6778] chdir("./bus" [pid 6775] <... futex resumed>) = 0 [pid 6775] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f00000 [pid 6778] <... chdir resumed>) = 0 [pid 6777] <... open resumed>) = -1 EIO (Input/output error) [pid 6775] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6775] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6775] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0} => {parent_tid=[6784]}, 88) = 6784 [pid 6775] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6775] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6775] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6784 attached [pid 6778] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6777] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6784] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053 [pid 6778] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6777] <... futex resumed>) = 0 [pid 6784] <... rseq resumed>) = 0 [pid 6778] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6784] set_robust_list(0x7f46d9f209a0, 24 [pid 6778] <... futex resumed>) = 1 [pid 6777] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6776] <... futex resumed>) = 0 [pid 6776] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 244.434200][ T5863] [ 244.434200][ T5863] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 244.434200][ T5863] [pid 6776] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6784] <... set_robust_list resumed>) = 0 [pid 6778] chdir("./file0" [pid 6784] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6778] <... chdir resumed>) = 0 [pid 6784] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x5) [pid 6778] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6776] <... futex resumed>) = 0 [pid 6776] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6776] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6778] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6775] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6775] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6775] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6777] <... futex resumed>) = 0 [pid 6777] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 5863] <... umount2 resumed>) = 0 [pid 5863] umount2("./67/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] newfstatat(AT_FDCWD, "./67/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5863] umount2("./67/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] openat(AT_FDCWD, "./67/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5863] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5863] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 6776] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5863] getdents64(4, [pid 6784] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6776] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 5863] <... getdents64 resumed>0x555566df1770 /* 0 entries */, 32768) = 0 [pid 6776] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5863] close(4 [pid 6776] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] <... close resumed>) = 0 [pid 6776] <... futex resumed>) = 0 [pid 6776] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5863] rmdir("./67/bus" [pid 6784] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6776] <... mmap resumed>) = 0x7f46d9f00000 [pid 6776] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE [pid 5863] <... rmdir resumed>) = 0 [pid 6776] <... mprotect resumed>) = 0 [pid 6776] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5863] getdents64(3, [pid 6776] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5863] <... getdents64 resumed>0x555566de9730 /* 0 entries */, 32768) = 0 [pid 6776] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0} [pid 5863] close(3./strace-static-x86_64: Process 6785 attached [pid 6784] <... futex resumed>) = 0 [pid 6776] <... clone3 resumed> => {parent_tid=[6785]}, 88) = 6785 [pid 5863] <... close resumed>) = 0 [pid 6776] rt_sigprocmask(SIG_SETMASK, [], [pid 5863] rmdir("./67" [pid 6776] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5863] <... rmdir resumed>) = 0 [pid 6776] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] mkdir("./68", 0777 [pid 6785] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053 [pid 6784] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6776] <... futex resumed>) = 0 [pid 6785] <... rseq resumed>) = 0 [pid 6777] <... openat resumed>) = -1 EIO (Input/output error) [pid 6776] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5863] <... mkdir resumed>) = 0 [pid 6785] set_robust_list(0x7f46d9f209a0, 24) = 0 [pid 6778] <... open resumed>) = -1 EIO (Input/output error) [pid 6777] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6785] rt_sigprocmask(SIG_SETMASK, [], [pid 6777] <... futex resumed>) = 1 [pid 6775] <... futex resumed>) = 0 [ 244.477504][ T6784] read_mapping_page failed! [ 244.482079][ T6784] ERROR: (device loop2): txCommit: [ 244.482079][ T6784] [ 244.494118][ T6778] read_mapping_page failed! [ 244.498666][ T6778] ERROR: (device loop1): txCommit: [ 244.498666][ T6778] [ 244.514557][ T6777] read_mapping_page failed! [ 244.519801][ T6777] ERROR: (device loop2): txCommit: [ 244.519801][ T6777] [pid 6785] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6777] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6775] exit_group(0 [pid 5863] <... openat resumed>) = 3 [pid 6784] <... futex resumed>) = ? [pid 6777] <... futex resumed>) = ? [pid 6775] <... exit_group resumed>) = ? [pid 6785] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x3) [pid 6778] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6784] +++ exited with 0 +++ [pid 6777] +++ exited with 0 +++ [pid 6775] +++ exited with 0 +++ [pid 5863] ioctl(3, LOOP_CLR_FD [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6775, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=27 /* 0.27 s */} --- [pid 5863] <... ioctl resumed>) = 0 [pid 5865] restart_syscall(<... resuming interrupted clone ...> [pid 5863] close(3 [pid 5865] <... restart_syscall resumed>) = 0 [pid 5865] umount2("./68", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./68", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5865] umount2("./68/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./68/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./68/binderfs") = 0 [pid 5865] umount2("./68/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6778] <... futex resumed>) = 0 [pid 6778] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6785] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6776] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6776] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6776] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6785] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6778] <... futex resumed>) = 0 [pid 6778] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6785] <... futex resumed>) = 0 [ 244.557862][ T6785] read_mapping_page failed! [ 244.562426][ T6785] ERROR: (device loop1): txCommit: [ 244.562426][ T6785] [ 244.591706][ T5865] [ 244.591706][ T5865] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 244.591706][ T5865] [pid 6785] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6778] <... openat resumed>) = -1 EIO (Input/output error) [pid 6776] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6778] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6778] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6776] exit_group(0 [pid 6785] <... futex resumed>) = ? [pid 6778] <... futex resumed>) = ? [pid 6776] <... exit_group resumed>) = ? [pid 6778] +++ exited with 0 +++ [pid 6785] +++ exited with 0 +++ [pid 6776] +++ exited with 0 +++ [pid 5864] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6776, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=33 /* 0.33 s */} --- [ 244.617061][ T6778] read_mapping_page failed! [ 244.620434][ T5865] [ 244.620434][ T5865] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 244.620434][ T5865] [ 244.621603][ T6778] ERROR: (device loop1): txCommit: [ 244.621603][ T6778] [pid 5864] umount2("./67", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] openat(AT_FDCWD, "./67", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5864] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5864] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5864] umount2("./67/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] newfstatat(AT_FDCWD, "./67/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5864] unlink("./67/binderfs") = 0 [pid 5864] umount2("./67/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6783] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5865] <... umount2 resumed>) = 0 [pid 5864] <... umount2 resumed>) = 0 [pid 5865] umount2("./68/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./68/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] umount2("./68/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./68/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5865] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5865] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5865] close(4) = 0 [pid 5865] rmdir("./68/bus" [pid 5864] umount2("./67/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5865] <... rmdir resumed>) = 0 [pid 5864] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5864] newfstatat(AT_FDCWD, "./67/bus", [pid 5865] getdents64(3, [pid 5864] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] <... getdents64 resumed>0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./68") = 0 [pid 5865] mkdir("./69", 0777) = 0 [pid 5866] <... close resumed>) = 0 [ 244.689658][ T5864] [ 244.689658][ T5864] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 244.689658][ T5864] [ 244.715217][ T5864] [ 244.715217][ T5864] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 244.715217][ T5864] [pid 5864] umount2("./67/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5865] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5865] ioctl(3, LOOP_CLR_FD) = 0 [pid 5865] close(3 [pid 5864] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5864] openat(AT_FDCWD, "./67/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5864] newfstatat(4, "", ./strace-static-x86_64: Process 6786 attached [pid 6786] set_robust_list(0x555566de86a0, 24 [pid 5864] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6786] <... set_robust_list resumed>) = 0 [pid 5864] getdents64(4, [pid 6786] chdir("./68" [pid 5864] <... getdents64 resumed>0x555566df1770 /* 2 entries */, 32768) = 48 [pid 6786] <... chdir resumed>) = 0 [pid 5864] getdents64(4, [pid 6786] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5866] <... clone resumed>, child_tidptr=0x555566de8690) = 6786 [pid 5864] <... getdents64 resumed>0x555566df1770 /* 0 entries */, 32768) = 0 [pid 6786] <... prctl resumed>) = 0 [pid 5864] close(4 [pid 6786] setpgid(0, 0 [pid 5864] <... close resumed>) = 0 [pid 6786] <... setpgid resumed>) = 0 [pid 5864] rmdir("./67/bus" [pid 6786] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5864] <... rmdir resumed>) = 0 [pid 5864] getdents64(3, [pid 6786] <... openat resumed>) = 3 [pid 5864] <... getdents64 resumed>0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5864] close(3 [pid 6786] write(3, "1000", 4 [pid 5864] <... close resumed>) = 0 [pid 6786] <... write resumed>) = 4 [pid 5864] rmdir("./67" [pid 6786] close(3) = 0 [pid 5864] <... rmdir resumed>) = 0 [pid 5863] <... close resumed>) = 0 [pid 6786] symlink("/dev/binderfs", "./binderfs" [pid 5864] mkdir("./68", 0777 [pid 5863] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5864] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 6787 attached [pid 5864] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6787] set_robust_list(0x555566de86a0, 24 [pid 5864] <... openat resumed>) = 3 [pid 5863] <... clone resumed>, child_tidptr=0x555566de8690) = 6787 [pid 6787] <... set_robust_list resumed>) = 0 [pid 5864] ioctl(3, LOOP_CLR_FD [pid 6787] chdir("./68" [pid 6786] <... symlink resumed>) = 0 [pid 6787] <... chdir resumed>) = 0 [pid 6786] write(1, "executing program\n", 18executing program [pid 5864] <... ioctl resumed>) = 0 [pid 6787] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6786] <... write resumed>) = 18 [pid 5864] close(3 [pid 6787] <... prctl resumed>) = 0 [pid 6786] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6787] setpgid(0, 0) = 0 [pid 6787] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6787] write(3, "1000", 4) = 4 [pid 6787] close(3) = 0 [pid 6787] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6787] write(1, "executing program\n", 18executing program ) = 18 [pid 6787] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6786] <... futex resumed>) = 0 [pid 6786] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, [pid 6787] <... futex resumed>) = 0 [pid 6786] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6786] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6787] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6786] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6787] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6787] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6787] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6787] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6787] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} [pid 6786] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6787] <... clone3 resumed> => {parent_tid=[6788]}, 88) = 6788 ./strace-static-x86_64: Process 6788 attached [pid 6787] rt_sigprocmask(SIG_SETMASK, [], [pid 6786] <... mmap resumed>) = 0x7f46d9f21000 [pid 6788] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6786] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE [pid 6788] <... rseq resumed>) = 0 [pid 6787] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6786] <... mprotect resumed>) = 0 [pid 6788] set_robust_list(0x7f46d9f419a0, 24 [pid 6787] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6788] <... set_robust_list resumed>) = 0 [pid 6787] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6786] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6788] rt_sigprocmask(SIG_SETMASK, [], [pid 6786] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6788] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6786] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} [pid 6788] memfd_create("syzkaller", 0./strace-static-x86_64: Process 6789 attached [pid 6786] <... clone3 resumed> => {parent_tid=[6789]}, 88) = 6789 [pid 6789] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6788] <... memfd_create resumed>) = 3 [pid 6786] rt_sigprocmask(SIG_SETMASK, [], [pid 6789] <... rseq resumed>) = 0 [pid 6788] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 6789] set_robust_list(0x7f46d9f419a0, 24) = 0 [pid 6789] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6789] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6786] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6786] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6789] <... futex resumed>) = 0 [pid 6786] <... futex resumed>) = 1 [pid 6789] memfd_create("syzkaller", 0 [pid 6786] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6789] <... memfd_create resumed>) = 3 [pid 6789] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 5865] <... close resumed>) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6790 attached [pid 6790] set_robust_list(0x555566de86a0, 24 [pid 5865] <... clone resumed>, child_tidptr=0x555566de8690) = 6790 [pid 6790] <... set_robust_list resumed>) = 0 [pid 6790] chdir("./69") = 0 [pid 6790] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6790] setpgid(0, 0) = 0 [pid 6790] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6790] write(3, "1000", 4 [pid 6783] <... write resumed>) = 16777216 [pid 6790] <... write resumed>) = 4 [pid 6790] close(3) = 0 [pid 6790] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6790] write(1, "executing program\n", 18) = 18 [pid 6790] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6790] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6790] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6790] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6790] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6790] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6790] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0}./strace-static-x86_64: Process 6791 attached [pid 6783] munmap(0x7f46d1a00000, 138412032 [pid 6791] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6790] <... clone3 resumed> => {parent_tid=[6791]}, 88) = 6791 [pid 6791] <... rseq resumed>) = 0 [pid 6790] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6790] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6791] set_robust_list(0x7f46d9f419a0, 24 [pid 6790] <... futex resumed>) = 0 [pid 6791] <... set_robust_list resumed>) = 0 [pid 6790] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6791] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6791] memfd_create("syzkaller", 0) = 3 [pid 6791] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 5864] <... close resumed>) = 0 [pid 6783] <... munmap resumed>) = 0 [pid 5864] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6783] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 5864] <... clone resumed>, child_tidptr=0x555566de8690) = 6792 ./strace-static-x86_64: Process 6792 attached [pid 6792] set_robust_list(0x555566de86a0, 24) = 0 [pid 6783] ioctl(4, LOOP_SET_FD, 3 [pid 6789] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6792] chdir("./68" [pid 6783] <... ioctl resumed>) = 0 [pid 6792] <... chdir resumed>) = 0 [pid 6783] close(3 [pid 6792] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6783] <... close resumed>) = 0 [pid 6792] <... prctl resumed>) = 0 [pid 6783] close(4 [pid 6792] setpgid(0, 0 [pid 6783] <... close resumed>) = 0 [pid 6792] <... setpgid resumed>) = 0 [pid 6792] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6783] mkdir("./bus", 0777 [pid 6792] <... openat resumed>) = 3 [pid 6783] <... mkdir resumed>) = 0 [pid 6792] write(3, "1000", 4) = 4 [pid 6783] mount("/dev/loop4", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6792] close(3) = 0 [pid 6792] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6792] write(1, "executing program\n", 18executing program ) = 18 [pid 6792] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6792] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6792] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6792] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6792] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6792] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6792] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0}./strace-static-x86_64: Process 6793 attached => {parent_tid=[6793]}, 88) = 6793 [pid 6792] rt_sigprocmask(SIG_SETMASK, [], [pid 6793] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053) = 0 [pid 6793] set_robust_list(0x7f46d9f419a0, 24) = 0 [pid 6793] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6793] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6792] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6792] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6793] <... futex resumed>) = 0 [pid 6792] <... futex resumed>) = 1 [pid 6793] memfd_create("syzkaller", 0 [pid 6792] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6793] <... memfd_create resumed>) = 3 [pid 6793] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [ 245.171083][ T6783] loop4: detected capacity change from 0 to 32768 [pid 6783] <... mount resumed>) = 0 [pid 6783] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6788] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6783] <... openat resumed>) = 3 [pid 6783] chdir("./bus") = 0 [pid 6783] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6783] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6782] <... futex resumed>) = 0 [pid 6783] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6782] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6783] <... futex resumed>) = 0 [pid 6783] chdir("./file0" [pid 6782] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6783] <... chdir resumed>) = 0 [pid 6783] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6782] <... futex resumed>) = 0 [pid 6783] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6782] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6783] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6782] <... futex resumed>) = 0 [pid 6783] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [ 245.243135][ T6783] [ 245.243135][ T6783] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 245.243135][ T6783] [pid 6782] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6783] <... open resumed>) = -1 EIO (Input/output error) [pid 6783] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6782] <... futex resumed>) = 0 [pid 6783] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6782] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6783] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6782] <... futex resumed>) = 0 [pid 6783] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x9) [ 245.286031][ T6783] read_mapping_page failed! [ 245.290636][ T6783] ERROR: (device loop4): txCommit: [ 245.290636][ T6783] [ 245.325954][ T6783] read_mapping_page failed! [ 245.349682][ T6783] ERROR: (device loop4): txCommit: [ 245.349682][ T6783] [pid 6782] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6783] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6782] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6783] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6783] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6782] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6783] <... futex resumed>) = 0 [pid 6782] <... futex resumed>) = 1 [pid 6783] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6782] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6783] <... openat resumed>) = -1 EIO (Input/output error) [pid 6783] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6782] <... futex resumed>) = 0 [pid 6783] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6782] exit_group(0 [pid 6783] <... futex resumed>) = ? [pid 6782] <... exit_group resumed>) = ? [pid 6783] +++ exited with 0 +++ [pid 6782] +++ exited with 0 +++ [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6782, si_uid=0, si_status=0, si_utime=12 /* 0.12 s */, si_stime=27 /* 0.27 s */} --- [pid 5867] restart_syscall(<... resuming interrupted clone ...>) = 0 [ 245.396189][ T6783] read_mapping_page failed! [ 245.400781][ T6783] ERROR: (device loop4): txCommit: [ 245.400781][ T6783] [pid 5867] umount2("./68", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./68", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5867] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5867] umount2("./68/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./68/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] unlink("./68/binderfs" [pid 6791] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5867] <... unlink resumed>) = 0 [ 245.501734][ T5867] [ 245.501734][ T5867] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 245.501734][ T5867] [ 245.533713][ T5867] [ 245.533713][ T5867] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 245.533713][ T5867] [pid 5867] umount2("./68/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6793] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6789] <... write resumed>) = 16777216 [pid 6789] munmap(0x7f46d1a00000, 138412032 [pid 5867] <... umount2 resumed>) = 0 [pid 5867] umount2("./68/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./68/bus", [pid 6789] <... munmap resumed>) = 0 [pid 5867] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] umount2("./68/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./68/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6789] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5867] <... openat resumed>) = 4 [pid 6789] <... openat resumed>) = 4 [pid 5867] newfstatat(4, "", [pid 6789] ioctl(4, LOOP_SET_FD, 3 [pid 5867] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5867] getdents64(4, [pid 6789] <... ioctl resumed>) = 0 [pid 5867] <... getdents64 resumed>0x555566df1770 /* 0 entries */, 32768) = 0 [pid 6789] close(3 [pid 5867] close(4 [pid 6789] <... close resumed>) = 0 [pid 5867] <... close resumed>) = 0 [pid 6789] close(4 [pid 5867] rmdir("./68/bus" [pid 6789] <... close resumed>) = 0 [pid 6789] mkdir("./bus", 0777) = 0 [pid 6789] mount("/dev/loop3", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 5867] <... rmdir resumed>) = 0 [pid 5867] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5867] close(3) = 0 [pid 5867] rmdir("./68") = 0 [pid 5867] mkdir("./69", 0777) = 0 [pid 5867] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5867] ioctl(3, LOOP_CLR_FD) = 0 [ 245.622499][ T6789] loop3: detected capacity change from 0 to 32768 [pid 5867] close(3 [pid 6788] <... write resumed>) = 16777216 [pid 6788] munmap(0x7f46d1a00000, 138412032 [pid 6789] <... mount resumed>) = 0 [pid 6789] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6788] <... munmap resumed>) = 0 [pid 6789] <... openat resumed>) = 3 [ 245.704311][ T6789] [ 245.704311][ T6789] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 245.704311][ T6789] [pid 6788] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6789] chdir("./bus") = 0 [pid 6788] <... openat resumed>) = 4 [pid 6789] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6788] ioctl(4, LOOP_SET_FD, 3 [pid 6789] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6789] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6786] <... futex resumed>) = 0 [pid 6789] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6786] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6789] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6789] chdir("./file0" [pid 6786] <... futex resumed>) = 0 [pid 6788] <... ioctl resumed>) = 0 [pid 6788] close(3) = 0 [pid 6788] close(4) = 0 [pid 6788] mkdir("./bus", 0777) = 0 [pid 6786] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6788] mount("/dev/loop0", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6789] <... chdir resumed>) = 0 [pid 6789] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6786] <... futex resumed>) = 0 [pid 6789] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6786] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 245.785164][ T6788] loop0: detected capacity change from 0 to 32768 [ 245.820945][ T6788] [ 245.820945][ T6788] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 245.820945][ T6788] [pid 6786] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6788] <... mount resumed>) = 0 [pid 6788] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6788] chdir("./bus") = 0 [pid 6788] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6788] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6787] <... futex resumed>) = 0 [pid 6788] chdir("./file0" [pid 6787] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6788] <... chdir resumed>) = 0 [pid 6787] <... futex resumed>) = 0 [pid 6788] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6787] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6788] <... futex resumed>) = 0 [pid 6787] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6788] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6787] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6787] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6786] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6786] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6786] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f00000 [pid 6786] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6786] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6786] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0} [ 245.831939][ T6789] read_mapping_page failed! [ 245.853070][ T6789] ERROR: (device loop3): txCommit: [ 245.853070][ T6789] [ 245.861921][ T6788] read_mapping_page failed! [pid 6789] <... open resumed>) = -1 EIO (Input/output error) ./strace-static-x86_64: Process 6794 attached [pid 6786] <... clone3 resumed> => {parent_tid=[6794]}, 88) = 6794 [pid 6794] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053 [pid 6789] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6786] rt_sigprocmask(SIG_SETMASK, [], [pid 6788] <... open resumed>) = -1 EIO (Input/output error) [pid 6789] <... futex resumed>) = 0 [pid 6794] <... rseq resumed>) = 0 [pid 6786] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6788] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6794] set_robust_list(0x7f46d9f209a0, 24 [pid 6789] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6788] <... futex resumed>) = 1 [pid 6787] <... futex resumed>) = 0 [pid 6786] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6794] <... set_robust_list resumed>) = 0 [pid 6788] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6787] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6788] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6787] <... futex resumed>) = 0 [pid 6788] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x1) [pid 6787] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6794] rt_sigprocmask(SIG_SETMASK, [], [pid 6786] <... futex resumed>) = 0 [pid 6794] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6786] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6794] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x7) [pid 6788] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6788] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6787] <... futex resumed>) = 0 [pid 6787] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6788] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [ 245.883808][ T6788] ERROR: (device loop0): txCommit: [ 245.883808][ T6788] [ 245.909986][ T6788] read_mapping_page failed! [ 245.916357][ T6788] ERROR: (device loop0): txCommit: [ 245.916357][ T6788] [ 245.916520][ T6794] read_mapping_page failed! [pid 6787] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6786] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6786] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6789] <... futex resumed>) = 0 [pid 6791] <... write resumed>) = 16777216 [pid 6789] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6788] <... openat resumed>) = -1 EIO (Input/output error) [pid 6787] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 245.953368][ T6788] read_mapping_page failed! [ 245.957952][ T6788] ERROR: (device loop0): txCommit: [ 245.957952][ T6788] [ 245.965919][ T6794] ERROR: (device loop3): txCommit: [ 245.965919][ T6794] [pid 6786] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6794] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6788] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6787] exit_group(0 [pid 6788] <... futex resumed>) = ? [pid 6787] <... exit_group resumed>) = ? [pid 6794] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6788] +++ exited with 0 +++ [pid 6787] +++ exited with 0 +++ [pid 6794] <... futex resumed>) = 0 [pid 6791] munmap(0x7f46d1a00000, 138412032 [pid 6794] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5863] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6787, si_uid=0, si_status=0, si_utime=10 /* 0.10 s */, si_stime=27 /* 0.27 s */} --- [pid 5863] umount2("./68", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] <... close resumed>) = 0 [pid 5863] openat(AT_FDCWD, "./68", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5863] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6795 attached [pid 6795] set_robust_list(0x555566de86a0, 24) = 0 [pid 6795] chdir("./69") = 0 [pid 6795] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5867] <... clone resumed>, child_tidptr=0x555566de8690) = 6795 [pid 6795] <... prctl resumed>) = 0 [pid 6795] setpgid(0, 0) = 0 [pid 6795] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6795] write(3, "1000", 4) = 4 executing program [pid 6795] close(3 [pid 5863] newfstatat(3, "", [pid 6795] <... close resumed>) = 0 [pid 5863] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6795] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6795] write(1, "executing program\n", 18 [pid 6789] <... openat resumed>) = -1 EIO (Input/output error) [pid 5863] getdents64(3, [pid 6789] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] <... getdents64 resumed>0x555566de9730 /* 4 entries */, 32768) = 104 [pid 6789] <... futex resumed>) = 1 [pid 6786] <... futex resumed>) = 0 [pid 5863] umount2("./68/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6789] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6786] exit_group(0 [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6794] <... futex resumed>) = ? [pid 6786] <... exit_group resumed>) = ? [pid 5863] newfstatat(AT_FDCWD, "./68/binderfs", [pid 6794] +++ exited with 0 +++ [pid 6789] <... futex resumed>) = ? [pid 6795] <... write resumed>) = 18 [pid 5863] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6789] +++ exited with 0 +++ [pid 5863] unlink("./68/binderfs" [pid 6795] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6795] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6795] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6795] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6795] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6795] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6786] +++ exited with 0 +++ [pid 6795] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6795] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} [pid 5863] <... unlink resumed>) = 0 [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6786, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=30 /* 0.30 s */} --- [pid 5863] umount2("./68/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5866] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 6796 attached [pid 6795] <... clone3 resumed> => {parent_tid=[6796]}, 88) = 6796 [pid 6796] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6795] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6795] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6791] <... munmap resumed>) = 0 [pid 6795] <... futex resumed>) = 0 [ 245.994191][ T6789] read_mapping_page failed! [ 246.001892][ T6789] ERROR: (device loop3): txCommit: [ 246.001892][ T6789] [ 246.032186][ T5863] [ 246.032186][ T5863] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 246.032186][ T5863] [pid 6795] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6791] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6796] <... rseq resumed>) = 0 [pid 6793] <... write resumed>) = 16777216 [pid 5866] <... restart_syscall resumed>) = 0 [pid 6796] set_robust_list(0x7f46d9f419a0, 24) = 0 [pid 6796] rt_sigprocmask(SIG_SETMASK, [], [pid 5866] umount2("./68", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6796] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6796] memfd_create("syzkaller", 0 [pid 5866] openat(AT_FDCWD, "./68", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6796] <... memfd_create resumed>) = 3 [pid 5866] <... openat resumed>) = 3 [pid 6796] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5866] newfstatat(3, "", [pid 6796] <... mmap resumed>) = 0x7f46d1a00000 [pid 5866] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6793] munmap(0x7f46d1a00000, 138412032 [pid 6791] <... openat resumed>) = 4 [pid 5866] getdents64(3, [pid 5863] <... umount2 resumed>) = 0 [pid 6793] <... munmap resumed>) = 0 [pid 6791] ioctl(4, LOOP_SET_FD, 3 [pid 5866] <... getdents64 resumed>0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5866] umount2("./68/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5863] umount2("./68/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./68/binderfs", [pid 5863] newfstatat(AT_FDCWD, "./68/bus", [pid 5866] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5863] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] unlink("./68/binderfs" [pid 5863] umount2("./68/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5866] <... unlink resumed>) = 0 [pid 5866] umount2("./68/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5863] openat(AT_FDCWD, "./68/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5863] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5863] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5863] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [ 246.045267][ T5863] [ 246.045267][ T5863] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 246.045267][ T5863] [ 246.081110][ T6791] loop2: detected capacity change from 0 to 32768 [ 246.092184][ T5866] [pid 5863] close(4) = 0 [pid 5863] rmdir("./68/bus") = 0 [pid 6791] <... ioctl resumed>) = 0 [pid 6793] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5863] getdents64(3, [pid 6793] <... openat resumed>) = 4 [pid 6791] close(3 [pid 5863] <... getdents64 resumed>0x555566de9730 /* 0 entries */, 32768) = 0 [pid 6791] <... close resumed>) = 0 [pid 5863] close(3 [pid 6791] close(4 [pid 5863] <... close resumed>) = 0 [pid 6791] <... close resumed>) = 0 [pid 6793] ioctl(4, LOOP_SET_FD, 3 [pid 6791] mkdir("./bus", 0777 [pid 5863] rmdir("./68") = 0 [pid 6791] <... mkdir resumed>) = 0 [pid 6791] mount("/dev/loop2", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 5863] mkdir("./69", 0777) = 0 [pid 5863] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5863] ioctl(3, LOOP_CLR_FD) = 0 [ 246.092184][ T5866] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 246.092184][ T5866] [ 246.116582][ T6793] loop1: detected capacity change from 0 to 32768 [ 246.123037][ T5866] [ 246.123037][ T5866] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 246.123037][ T5866] [ 246.141274][ T6791] [pid 5863] close(3 [pid 6793] <... ioctl resumed>) = 0 [pid 6793] close(3) = 0 [pid 6793] close(4) = 0 [pid 6793] mkdir("./bus", 0777) = 0 [pid 5866] <... umount2 resumed>) = 0 [pid 6793] mount("/dev/loop1", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 5866] umount2("./68/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6791] <... mount resumed>) = 0 [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6791] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [ 246.141274][ T6791] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 246.141274][ T6791] [pid 5866] newfstatat(AT_FDCWD, "./68/bus", [pid 6791] <... openat resumed>) = 3 [pid 6791] chdir("./bus" [pid 5866] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6791] <... chdir resumed>) = 0 [pid 6791] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5866] umount2("./68/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6791] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5866] openat(AT_FDCWD, "./68/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6791] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6790] <... futex resumed>) = 0 [pid 5866] <... openat resumed>) = 4 [pid 6791] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6790] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] newfstatat(4, "", [pid 6791] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6790] <... futex resumed>) = 0 [pid 6791] chdir("./file0" [pid 6790] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(4, [pid 6791] <... chdir resumed>) = 0 [pid 5866] <... getdents64 resumed>0x555566df1770 /* 2 entries */, 32768) = 48 [pid 6791] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] getdents64(4, [pid 6791] <... futex resumed>) = 1 [pid 6790] <... futex resumed>) = 0 [pid 5866] <... getdents64 resumed>0x555566df1770 /* 0 entries */, 32768) = 0 [pid 6790] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] close(4 [pid 6790] <... futex resumed>) = 0 [pid 6790] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] <... close resumed>) = 0 [pid 5866] rmdir("./68/bus" [pid 6791] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 5866] <... rmdir resumed>) = 0 [pid 6793] <... mount resumed>) = 0 [pid 6793] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6793] chdir("./bus") = 0 [pid 5866] getdents64(3, [pid 6793] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5866] <... getdents64 resumed>0x555566de9730 /* 0 entries */, 32768) = 0 [pid 6793] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5866] close(3 [pid 6793] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] <... close resumed>) = 0 [pid 6793] <... futex resumed>) = 1 [pid 6792] <... futex resumed>) = 0 [pid 6793] chdir("./file0" [pid 6792] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] rmdir("./68" [pid 6792] <... futex resumed>) = 0 [pid 6792] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6793] <... chdir resumed>) = 0 [pid 5866] <... rmdir resumed>) = 0 [pid 6793] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6792] <... futex resumed>) = 0 [pid 5866] mkdir("./69", 0777 [pid 6793] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6792] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 246.191571][ T6793] [ 246.191571][ T6793] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 246.191571][ T6793] [ 246.224888][ T6791] read_mapping_page failed! [ 246.229452][ T6791] ERROR: (device loop2): txCommit: [ 246.229452][ T6791] [pid 6792] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6790] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5866] <... mkdir resumed>) = 0 [pid 6790] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5866] ioctl(3, LOOP_CLR_FD [pid 6790] <... futex resumed>) = 0 [pid 5866] <... ioctl resumed>) = 0 [pid 6790] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5866] close(3 [pid 6790] <... mmap resumed>) = 0x7f46d9f00000 [pid 6790] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6790] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6790] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0} [pid 6791] <... open resumed>) = -1 EIO (Input/output error) [ 246.265507][ T6793] read_mapping_page failed! [pid 6791] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6792] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6791] <... futex resumed>) = 0 [pid 6790] <... clone3 resumed> => {parent_tid=[6797]}, 88) = 6797 [pid 6792] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6790] rt_sigprocmask(SIG_SETMASK, [], [pid 6792] <... futex resumed>) = 0 [pid 6790] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6792] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6790] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6792] <... mmap resumed>) = 0x7f46d9f00000 [pid 6790] <... futex resumed>) = 0 [pid 6792] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE [pid 6790] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6792] <... mprotect resumed>) = 0 [pid 6792] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6791] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6792] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0} => {parent_tid=[6798]}, 88) = 6798 ./strace-static-x86_64: Process 6797 attached [pid 6792] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6792] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6792] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6798 attached [pid 6798] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053 [pid 6797] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053) = 0 [pid 6798] <... rseq resumed>) = 0 [pid 6798] set_robust_list(0x7f46d9f209a0, 24) = 0 [pid 6798] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6798] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x3) [pid 6793] <... open resumed>) = -1 EIO (Input/output error) [pid 6797] set_robust_list(0x7f46d9f209a0, 24 [pid 6793] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6797] <... set_robust_list resumed>) = 0 [pid 6793] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6797] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [ 246.305719][ T6793] ERROR: (device loop1): txCommit: [ 246.305719][ T6793] [ 246.326033][ T6798] read_mapping_page failed! [ 246.342690][ T6798] ERROR: (device loop1): txCommit: [ 246.342690][ T6798] [pid 6797] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x5) [pid 6790] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6790] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6790] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6798] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6798] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6792] <... futex resumed>) = 0 [pid 6798] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6792] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6793] <... futex resumed>) = 0 [pid 6792] <... futex resumed>) = 1 [pid 6793] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6792] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6791] <... futex resumed>) = 0 [pid 6791] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6797] <... mknod resumed>) = -1 EIO (Input/output error) [ 246.363597][ T6797] read_mapping_page failed! [ 246.368177][ T6797] ERROR: (device loop2): txCommit: [ 246.368177][ T6797] [ 246.376718][ T6793] read_mapping_page failed! [ 246.381268][ T6793] ERROR: (device loop1): txCommit: [ 246.381268][ T6793] [pid 6793] <... openat resumed>) = -1 EIO (Input/output error) [pid 6793] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6792] <... futex resumed>) = 0 [pid 6793] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6792] exit_group(0 [pid 6798] <... futex resumed>) = ? [pid 6793] <... futex resumed>) = ? [pid 6792] <... exit_group resumed>) = ? [pid 6790] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6798] +++ exited with 0 +++ [pid 6797] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6793] +++ exited with 0 +++ [pid 6792] +++ exited with 0 +++ [pid 5864] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6792, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=30 /* 0.30 s */} --- [pid 6797] <... futex resumed>) = 0 [ 246.412624][ T6791] read_mapping_page failed! [pid 5864] umount2("./68", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] openat(AT_FDCWD, "./68", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5864] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5864] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5864] umount2("./68/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] newfstatat(AT_FDCWD, "./68/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5864] unlink("./68/binderfs") = 0 [pid 5864] umount2("./68/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6797] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6791] <... openat resumed>) = -1 EIO (Input/output error) [pid 6791] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6791] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6790] exit_group(0 [pid 6791] <... futex resumed>) = ? [pid 6790] <... exit_group resumed>) = ? [pid 6791] +++ exited with 0 +++ [pid 6797] <... futex resumed>) = ? [pid 6797] +++ exited with 0 +++ [pid 6790] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6790, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=29 /* 0.29 s */} --- [pid 5865] umount2("./69", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./69", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5865] umount2("./69/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./69/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./69/binderfs") = 0 [ 246.434192][ T6791] ERROR: (device loop2): txCommit: [ 246.434192][ T6791] [ 246.442493][ T5864] [ 246.442493][ T5864] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 246.442493][ T5864] [ 246.466839][ T5864] [ 246.466839][ T5864] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 246.466839][ T5864] [pid 5865] umount2("./69/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6796] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5864] <... umount2 resumed>) = 0 [pid 5864] umount2("./68/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] newfstatat(AT_FDCWD, "./68/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5864] umount2("./68/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] openat(AT_FDCWD, "./68/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5864] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5864] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5864] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5864] close(4) = 0 [pid 5864] rmdir("./68/bus") = 0 [pid 5864] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5864] close(3) = 0 [pid 5864] rmdir("./68") = 0 [pid 5864] mkdir("./69", 0777) = 0 [pid 5864] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5864] ioctl(3, LOOP_CLR_FD) = 0 [pid 5864] close(3) = 0 [pid 5864] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5863] <... close resumed>) = 0 ./strace-static-x86_64: Process 6799 attached [pid 5865] <... umount2 resumed>) = 0 [pid 5864] <... clone resumed>, child_tidptr=0x555566de8690) = 6799 [pid 6799] set_robust_list(0x555566de86a0, 24 [pid 5863] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6800 attached [pid 6799] <... set_robust_list resumed>) = 0 [pid 6800] set_robust_list(0x555566de86a0, 24 [pid 6799] chdir("./69" [pid 5863] <... clone resumed>, child_tidptr=0x555566de8690) = 6800 [pid 6800] <... set_robust_list resumed>) = 0 [pid 6800] chdir("./69" [pid 5865] umount2("./69/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6800] <... chdir resumed>) = 0 [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6800] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6799] <... chdir resumed>) = 0 [pid 5865] newfstatat(AT_FDCWD, "./69/bus", [pid 6799] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5865] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6799] <... prctl resumed>) = 0 [pid 5865] umount2("./69/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6799] setpgid(0, 0 [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6799] <... setpgid resumed>) = 0 [pid 5865] openat(AT_FDCWD, "./69/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6800] setpgid(0, 0 [pid 6799] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5865] <... openat resumed>) = 4 [pid 6800] <... setpgid resumed>) = 0 [pid 5865] newfstatat(4, "", [pid 6800] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5865] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 6800] <... openat resumed>) = 3 [ 246.494328][ T5865] [ 246.494328][ T5865] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 246.494328][ T5865] [ 246.531909][ T5865] [ 246.531909][ T5865] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 246.531909][ T5865] [pid 5865] getdents64(4, [pid 6800] write(3, "1000", 4 [pid 6799] <... openat resumed>) = 3 [pid 5865] <... getdents64 resumed>0x555566df1770 /* 0 entries */, 32768) = 0 [pid 6800] <... write resumed>) = 4 [pid 6799] write(3, "1000", 4 [pid 5865] close(4 [pid 6800] close(3 [pid 6799] <... write resumed>) = 4 [pid 5865] <... close resumed>) = 0 [pid 6800] <... close resumed>) = 0 [pid 6799] close(3 [pid 5865] rmdir("./69/bus" [pid 6800] symlink("/dev/binderfs", "./binderfs" [pid 6799] <... close resumed>) = 0 [pid 5865] <... rmdir resumed>) = 0 [pid 6800] <... symlink resumed>) = 0 [pid 6799] symlink("/dev/binderfs", "./binderfs" [pid 6800] write(1, "executing program\n", 18 [pid 6799] <... symlink resumed>) = 0 executing program [pid 6799] write(1, "executing program\n", 18) = 18 [pid 6799] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6799] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6799] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6799] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6799] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 executing program [pid 6800] <... write resumed>) = 18 [pid 6799] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5865] getdents64(3, [pid 6799] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6799] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} [pid 5865] <... getdents64 resumed>0x555566de9730 /* 0 entries */, 32768) = 0 [pid 6800] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6801 attached ) = 0 [pid 6799] <... clone3 resumed> => {parent_tid=[6801]}, 88) = 6801 [pid 5865] close(3 [pid 6800] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, [pid 6799] rt_sigprocmask(SIG_SETMASK, [], [pid 6801] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6800] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6799] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5865] <... close resumed>) = 0 [pid 6801] <... rseq resumed>) = 0 [pid 6800] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5865] rmdir("./69" [pid 6801] set_robust_list(0x7f46d9f419a0, 24 [pid 6800] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6801] <... set_robust_list resumed>) = 0 [pid 6800] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6801] rt_sigprocmask(SIG_SETMASK, [], [pid 6800] <... mmap resumed>) = 0x7f46d9f21000 [pid 6799] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6799] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5865] <... rmdir resumed>) = 0 [pid 6801] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6800] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE [pid 6801] memfd_create("syzkaller", 0 [pid 6800] <... mprotect resumed>) = 0 [pid 5865] mkdir("./70", 0777 [pid 6801] <... memfd_create resumed>) = 3 [pid 6800] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6801] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 6800] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} [pid 5865] <... mkdir resumed>) = 0 [pid 5865] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 ./strace-static-x86_64: Process 6802 attached [pid 6800] <... clone3 resumed> => {parent_tid=[6802]}, 88) = 6802 [pid 6802] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6800] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5865] ioctl(3, LOOP_CLR_FD [pid 6802] <... rseq resumed>) = 0 [pid 6800] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6802] set_robust_list(0x7f46d9f419a0, 24 [pid 6800] <... futex resumed>) = 0 [pid 5865] <... ioctl resumed>) = 0 [pid 6802] <... set_robust_list resumed>) = 0 [pid 6802] rt_sigprocmask(SIG_SETMASK, [], [pid 6800] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5865] close(3 [pid 6802] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6802] memfd_create("syzkaller", 0) = 3 [pid 6802] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 5866] <... close resumed>) = 0 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555566de8690) = 6803 ./strace-static-x86_64: Process 6803 attached [pid 6803] set_robust_list(0x555566de86a0, 24) = 0 [pid 6803] chdir("./69") = 0 [pid 6803] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6803] setpgid(0, 0) = 0 [pid 6803] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6803] write(3, "1000", 4) = 4 [pid 6803] close(3) = 0 [pid 6803] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6803] write(1, "executing program\n", 18) = 18 [pid 6803] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6803] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6803] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6803] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6803] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6803] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6803] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} => {parent_tid=[6804]}, 88) = 6804 ./strace-static-x86_64: Process 6804 attached [pid 6803] rt_sigprocmask(SIG_SETMASK, [], [pid 6804] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6803] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6804] <... rseq resumed>) = 0 [pid 6803] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6804] set_robust_list(0x7f46d9f419a0, 24 [pid 6803] <... futex resumed>) = 0 [pid 6804] <... set_robust_list resumed>) = 0 [pid 6803] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6804] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6804] memfd_create("syzkaller", 0) = 3 [pid 6804] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 6796] <... write resumed>) = 16777216 [pid 6796] munmap(0x7f46d1a00000, 138412032 [pid 5865] <... close resumed>) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6805 attached [pid 6796] <... munmap resumed>) = 0 [pid 5865] <... clone resumed>, child_tidptr=0x555566de8690) = 6805 [pid 6805] set_robust_list(0x555566de86a0, 24) = 0 [pid 6805] chdir("./70") = 0 [pid 6805] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6805] setpgid(0, 0) = 0 [pid 6805] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6796] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6805] write(3, "1000", 4) = 4 [pid 6805] close(3) = 0 [pid 6805] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6796] <... openat resumed>) = 4 [pid 6796] ioctl(4, LOOP_SET_FD, 3executing program [pid 6805] write(1, "executing program\n", 18) = 18 [pid 6805] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6805] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6805] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6805] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6805] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6805] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6801] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6805] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} => {parent_tid=[6806]}, 88) = 6806 ./strace-static-x86_64: Process 6806 attached [pid 6805] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6805] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6805] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6806] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053) = 0 [pid 6806] set_robust_list(0x7f46d9f419a0, 24) = 0 [pid 6806] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6806] memfd_create("syzkaller", 0) = 3 [pid 6806] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6796] <... ioctl resumed>) = 0 [pid 6806] <... mmap resumed>) = 0x7f46d1a00000 [pid 6796] close(3) = 0 [pid 6796] close(4) = 0 [pid 6796] mkdir("./bus", 0777) = 0 [ 246.993368][ T6796] loop4: detected capacity change from 0 to 32768 [ 247.033061][ T6796] [ 247.033061][ T6796] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 247.033061][ T6796] [pid 6796] mount("/dev/loop4", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic,") = 0 [pid 6796] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6796] chdir("./bus") = 0 [pid 6796] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6796] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6796] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6795] <... futex resumed>) = 0 [pid 6795] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6796] <... futex resumed>) = 0 [pid 6796] chdir("./file0") = 0 [pid 6795] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6796] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6795] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6796] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6795] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6795] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6804] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6802] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6796] <... open resumed>) = -1 EIO (Input/output error) [pid 6795] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6795] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6796] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6795] <... futex resumed>) = 0 [pid 6796] <... futex resumed>) = 0 [ 247.088061][ T6796] read_mapping_page failed! [ 247.103094][ T6796] ERROR: (device loop4): txCommit: [ 247.103094][ T6796] [pid 6796] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6795] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f00000 [pid 6795] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6795] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6795] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0} => {parent_tid=[6807]}, 88) = 6807 [pid 6795] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6795] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 6807 attached [pid 6795] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6807] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053) = 0 [pid 6807] set_robust_list(0x7f46d9f209a0, 24) = 0 [pid 6807] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6807] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x9)) = -1 EIO (Input/output error) [pid 6807] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 247.193632][ T6807] read_mapping_page failed! [ 247.198361][ T6807] ERROR: (device loop4): txCommit: [ 247.198361][ T6807] [pid 6807] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6795] <... futex resumed>) = 0 [pid 6795] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6795] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6796] <... futex resumed>) = 0 [pid 6796] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777) = -1 EIO (Input/output error) [pid 6796] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6796] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6795] <... futex resumed>) = 0 [pid 6795] exit_group(0 [pid 6807] <... futex resumed>) = ? [pid 6796] <... futex resumed>) = ? [pid 6795] <... exit_group resumed>) = ? [pid 6807] +++ exited with 0 +++ [pid 6796] +++ exited with 0 +++ [ 247.238639][ T6796] read_mapping_page failed! [ 247.247325][ T6796] ERROR: (device loop4): txCommit: [ 247.247325][ T6796] [pid 6795] +++ exited with 0 +++ [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6795, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=29 /* 0.29 s */} --- [pid 5867] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5867] umount2("./69", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./69", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5867] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5867] umount2("./69/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./69/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] unlink("./69/binderfs") = 0 [ 247.311967][ T5867] [ 247.311967][ T5867] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 247.311967][ T5867] [ 247.335659][ T5867] [ 247.335659][ T5867] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 247.335659][ T5867] [pid 5867] umount2("./69/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 6806] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5867] umount2("./69/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./69/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] umount2("./69/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./69/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5867] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5867] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5867] close(4) = 0 [pid 5867] rmdir("./69/bus") = 0 [pid 5867] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5867] close(3) = 0 [pid 5867] rmdir("./69") = 0 [pid 5867] mkdir("./70", 0777) = 0 [pid 5867] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5867] ioctl(3, LOOP_CLR_FD) = 0 [pid 5867] close(3 [pid 6801] <... write resumed>) = 16777216 [pid 6801] munmap(0x7f46d1a00000, 138412032) = 0 [pid 6802] <... write resumed>) = 16777216 [pid 6804] <... write resumed>) = 16777216 [pid 6801] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 6801] ioctl(4, LOOP_SET_FD, 3 [pid 6804] munmap(0x7f46d1a00000, 138412032 [pid 6802] munmap(0x7f46d1a00000, 138412032 [pid 6801] <... ioctl resumed>) = 0 [pid 6801] close(3) = 0 [pid 6801] close(4) = 0 [pid 6801] mkdir("./bus", 0777) = 0 [pid 6801] mount("/dev/loop1", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6802] <... munmap resumed>) = 0 [ 247.527610][ T6801] loop1: detected capacity change from 0 to 32768 [pid 6804] <... munmap resumed>) = 0 [pid 6802] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6804] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6802] <... openat resumed>) = 4 [pid 6802] ioctl(4, LOOP_SET_FD, 3 [pid 6804] <... openat resumed>) = 4 [ 247.576859][ T6801] [ 247.576859][ T6801] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 247.576859][ T6801] [ 247.605280][ T6802] loop0: detected capacity change from 0 to 32768 [pid 6804] ioctl(4, LOOP_SET_FD, 3 [pid 6802] <... ioctl resumed>) = 0 [pid 6801] <... mount resumed>) = 0 [pid 6801] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6801] chdir("./bus") = 0 [pid 6801] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6801] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6801] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6799] <... futex resumed>) = 0 [pid 6799] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6801] <... futex resumed>) = 0 [pid 6799] <... futex resumed>) = 1 [pid 6801] chdir("./file0" [pid 6799] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6801] <... chdir resumed>) = 0 [pid 6801] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6801] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6799] <... futex resumed>) = 0 [pid 6799] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6801] <... futex resumed>) = 0 [pid 6799] <... futex resumed>) = 1 [pid 6801] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [ 247.623711][ T6804] loop3: detected capacity change from 0 to 32768 [pid 6799] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6804] <... ioctl resumed>) = 0 [pid 6802] close(3 [pid 6804] close(3) = 0 [pid 6802] <... close resumed>) = 0 [pid 6802] close(4) = 0 [pid 6804] close(4 [pid 6802] mkdir("./bus", 0777 [pid 6804] <... close resumed>) = 0 [pid 6802] <... mkdir resumed>) = 0 [pid 6804] mkdir("./bus", 0777 [pid 6802] mount("/dev/loop0", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6804] <... mkdir resumed>) = 0 [ 247.650319][ T6801] read_mapping_page failed! [ 247.667738][ T6801] ERROR: (device loop1): txCommit: [ 247.667738][ T6801] [pid 6804] mount("/dev/loop3", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6801] <... open resumed>) = -1 EIO (Input/output error) [pid 6801] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6801] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6799] <... futex resumed>) = 0 [pid 6799] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6799] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6801] <... futex resumed>) = 0 [pid 6801] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x3)) = -1 EIO (Input/output error) [pid 6801] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6799] <... futex resumed>) = 0 [pid 6799] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6799] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 247.691344][ T6802] [ 247.691344][ T6802] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 247.691344][ T6802] [ 247.705051][ T6801] read_mapping_page failed! [ 247.713409][ T6801] ERROR: (device loop1): txCommit: [ 247.713409][ T6801] [ 247.717594][ T6804] [ 247.717594][ T6804] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 247.717594][ T6804] [pid 6801] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6802] <... mount resumed>) = 0 [pid 6802] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6804] <... mount resumed>) = 0 [pid 6802] <... openat resumed>) = 3 [pid 6804] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6802] chdir("./bus") = 0 [pid 6804] <... openat resumed>) = 3 [pid 6802] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5867] <... close resumed>) = 0 [pid 6804] chdir("./bus") = 0 [pid 6802] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6804] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6802] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6800] <... futex resumed>) = 0 [pid 6800] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6804] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6802] chdir("./file0" [pid 6800] <... futex resumed>) = 0 [pid 6800] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6804] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6803] <... futex resumed>) = 0 [pid 6802] <... chdir resumed>) = 0 [pid 6804] chdir("./file0" [pid 6803] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6802] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6803] <... futex resumed>) = 0 [pid 6802] <... futex resumed>) = 1 [pid 6800] <... futex resumed>) = 0 [pid 6800] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6802] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6803] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6800] <... futex resumed>) = 0 [pid 6800] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6808 attached [pid 6804] <... chdir resumed>) = 0 [pid 5867] <... clone resumed>, child_tidptr=0x555566de8690) = 6808 [pid 6808] set_robust_list(0x555566de86a0, 24) = 0 [pid 6808] chdir("./70") = 0 [pid 6801] <... openat resumed>) = -1 EIO (Input/output error) [pid 6808] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6808] setpgid(0, 0 [pid 6801] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6808] <... setpgid resumed>) = 0 [pid 6799] <... futex resumed>) = 0 [pid 6799] exit_group(0) = ? [pid 6801] <... futex resumed>) = ? [pid 6808] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6804] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6803] <... futex resumed>) = 0 [pid 6808] <... openat resumed>) = 3 [pid 6804] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6803] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6808] write(3, "1000", 4) = 4 [pid 6808] close(3) = 0 [ 247.751385][ T6801] read_mapping_page failed! [ 247.761835][ T6801] ERROR: (device loop1): txCommit: [ 247.761835][ T6801] [ 247.784119][ T6802] read_mapping_page failed! [ 247.788766][ T6802] ERROR: (device loop0): txCommit: [ 247.788766][ T6802] [pid 6808] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6806] <... write resumed>) = 16777216 [pid 6803] <... futex resumed>) = 0 [pid 6802] <... open resumed>) = -1 EIO (Input/output error) [pid 6801] +++ exited with 0 +++ [pid 6799] +++ exited with 0 +++ [pid 5864] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6799, si_uid=0, si_status=0, si_utime=9 /* 0.09 s */, si_stime=28 /* 0.28 s */} --- [pid 6808] write(1, "executing program\n", 18) = 18 [pid 6806] munmap(0x7f46d1a00000, 138412032 [pid 6802] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6808] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6803] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5864] umount2("./69", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] openat(AT_FDCWD, "./69", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5864] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5864] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5864] umount2("./69/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] newfstatat(AT_FDCWD, "./69/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5864] unlink("./69/binderfs") = 0 [pid 5864] umount2("./69/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6808] <... futex resumed>) = 0 [pid 6802] <... futex resumed>) = 1 [pid 6800] <... futex resumed>) = 0 [pid 6800] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6800] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6802] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x1) [pid 6808] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6808] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6808] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6808] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6808] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6808] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} => {parent_tid=[6809]}, 88) = 6809 [pid 6808] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6808] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6808] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 6809 attached [pid 6809] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053) = 0 [pid 6809] set_robust_list(0x7f46d9f419a0, 24) = 0 [pid 6809] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6804] <... open resumed>) = -1 EIO (Input/output error) [ 247.812479][ T6804] read_mapping_page failed! [ 247.817689][ T6804] ERROR: (device loop3): txCommit: [ 247.817689][ T6804] [ 247.836367][ T6802] read_mapping_page failed! [ 247.844917][ T6802] ERROR: (device loop0): txCommit: [ 247.844917][ T6802] [ 247.854193][ T6804] read_mapping_page failed! [pid 6804] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6803] <... futex resumed>) = 0 [pid 6804] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x7) [pid 6803] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6809] memfd_create("syzkaller", 0 [pid 6803] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6809] <... memfd_create resumed>) = 3 [pid 6809] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 6806] <... munmap resumed>) = 0 [pid 6802] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6802] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6800] <... futex resumed>) = 0 [pid 6800] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6800] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6802] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6806] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 6806] ioctl(4, LOOP_SET_FD, 3 [pid 6804] <... mknod resumed>) = -1 EIO (Input/output error) [ 247.858806][ T6804] ERROR: (device loop3): txCommit: [ 247.858806][ T6804] [ 247.867629][ T5864] [ 247.867629][ T5864] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 247.867629][ T5864] [ 247.884118][ T6806] loop2: detected capacity change from 0 to 32768 [ 247.892207][ T5864] [ 247.892207][ T5864] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 247.892207][ T5864] [ 247.893793][ T6802] read_mapping_page failed! [pid 6804] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6803] <... futex resumed>) = 0 [pid 6804] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6803] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6806] <... ioctl resumed>) = 0 [pid 6803] <... futex resumed>) = 0 [pid 6803] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6806] close(3) = 0 [pid 6806] close(4) = 0 [pid 6806] mkdir("./bus", 0777) = 0 [pid 6806] mount("/dev/loop2", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6800] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6804] <... openat resumed>) = -1 EIO (Input/output error) [pid 5864] <... umount2 resumed>) = 0 [pid 5864] umount2("./69/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6806] <... mount resumed>) = 0 [pid 6804] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6806] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5864] newfstatat(AT_FDCWD, "./69/bus", [pid 6806] <... openat resumed>) = 3 [pid 6806] chdir("./bus" [pid 6804] <... futex resumed>) = 1 [pid 6803] <... futex resumed>) = 0 [pid 5864] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6804] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6803] exit_group(0 [pid 5864] umount2("./69/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6803] <... exit_group resumed>) = ? [pid 6806] <... chdir resumed>) = 0 [pid 6804] <... futex resumed>) = ? [pid 5864] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6806] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5864] openat(AT_FDCWD, "./69/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6806] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5864] <... openat resumed>) = 4 [pid 6806] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] newfstatat(4, "", [pid 6806] <... futex resumed>) = 1 [pid 6805] <... futex resumed>) = 0 [pid 5864] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6806] chdir("./file0" [pid 6805] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] getdents64(4, [pid 6806] <... chdir resumed>) = 0 [pid 6805] <... futex resumed>) = 0 [pid 5864] <... getdents64 resumed>0x555566df1770 /* 2 entries */, 32768) = 48 [pid 6806] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6805] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6806] <... futex resumed>) = 0 [pid 6805] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5864] getdents64(4, [pid 6806] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6805] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] <... getdents64 resumed>0x555566df1770 /* 0 entries */, 32768) = 0 [pid 6806] <... futex resumed>) = 0 [pid 6805] <... futex resumed>) = 1 [pid 6806] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6805] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5864] close(4) = 0 [pid 5864] rmdir("./69/bus") = 0 [ 247.925129][ T6804] read_mapping_page failed! [ 247.927295][ T6806] [ 247.927295][ T6806] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 247.927295][ T6806] [ 247.930789][ T6804] ERROR: (device loop3): txCommit: [ 247.930789][ T6804] [ 247.943599][ T6802] ERROR: (device loop0): txCommit: [ 247.943599][ T6802] [pid 5864] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5864] close(3) = 0 [pid 6804] +++ exited with 0 +++ [pid 6803] +++ exited with 0 +++ [pid 5864] rmdir("./69" [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6803, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=27 /* 0.27 s */} --- [pid 5866] restart_syscall(<... resuming interrupted clone ...> [pid 5864] <... rmdir resumed>) = 0 [pid 5866] <... restart_syscall resumed>) = 0 [pid 5864] mkdir("./70", 0777) = 0 [pid 5866] umount2("./69", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5864] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5866] openat(AT_FDCWD, "./69", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5864] <... openat resumed>) = 3 [pid 5866] <... openat resumed>) = 3 [pid 5864] ioctl(3, LOOP_CLR_FD [pid 6802] <... openat resumed>) = -1 EIO (Input/output error) [ 247.976663][ T6806] read_mapping_page failed! [ 247.994350][ T6806] ERROR: (device loop2): txCommit: [ 247.994350][ T6806] [pid 6802] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] newfstatat(3, "", [pid 5864] <... ioctl resumed>) = 0 [pid 5864] close(3 [pid 5866] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6800] exit_group(0) = ? [pid 6802] <... futex resumed>) = ? [pid 6802] +++ exited with 0 +++ [pid 6800] +++ exited with 0 +++ [pid 5863] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6800, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=28 /* 0.28 s */} --- [pid 5863] umount2("./69", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] openat(AT_FDCWD, "./69", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5863] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5863] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5863] umount2("./69/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] newfstatat(AT_FDCWD, "./69/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5863] unlink("./69/binderfs") = 0 [pid 5863] umount2("./69/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5866] getdents64(3, [pid 6806] <... open resumed>) = -1 EIO (Input/output error) [pid 6806] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6805] <... futex resumed>) = 0 [pid 6805] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6805] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6806] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x5) [pid 5866] <... getdents64 resumed>0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5866] umount2("./69/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./69/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] unlink("./69/binderfs") = 0 [pid 5866] umount2("./69/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6806] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6806] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6805] <... futex resumed>) = 0 [pid 6805] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6805] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 248.020899][ T6806] read_mapping_page failed! [ 248.033325][ T6806] ERROR: (device loop2): txCommit: [ 248.033325][ T6806] [ 248.041651][ T5863] [ 248.041651][ T5863] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 248.041651][ T5863] [ 248.064786][ T6806] read_mapping_page failed! [pid 6806] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6805] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 248.069948][ T5863] [ 248.069948][ T5863] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 248.069948][ T5863] [ 248.080806][ T5866] [ 248.080806][ T5866] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 248.080806][ T5866] [ 248.081741][ T6806] ERROR: (device loop2): txCommit: [ 248.081741][ T6806] [ 248.114631][ T5866] [pid 5863] <... umount2 resumed>) = 0 [pid 6806] <... openat resumed>) = -1 EIO (Input/output error) [pid 5866] <... umount2 resumed>) = 0 [pid 5866] umount2("./69/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./69/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] umount2("./69/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] openat(AT_FDCWD, "./69/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5866] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5866] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5866] close(4) = 0 [pid 5866] rmdir("./69/bus" [pid 5863] umount2("./69/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6806] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] <... rmdir resumed>) = 0 [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5863] newfstatat(AT_FDCWD, "./69/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5863] umount2("./69/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6806] <... futex resumed>) = 0 [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6805] exit_group(0) = ? [pid 5863] openat(AT_FDCWD, "./69/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5863] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5863] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5863] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5863] close(4) = 0 [pid 5863] rmdir("./69/bus") = 0 [pid 5866] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5866] close(3) = 0 [pid 5866] rmdir("./69") = 0 [pid 5863] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5863] close(3) = 0 [pid 6806] +++ exited with 0 +++ [pid 6805] +++ exited with 0 +++ [pid 5863] rmdir("./69" [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6805, si_uid=0, si_status=0, si_utime=11 /* 0.11 s */, si_stime=24 /* 0.24 s */} --- [pid 5866] mkdir("./70", 0777 [pid 5863] <... rmdir resumed>) = 0 [pid 5866] <... mkdir resumed>) = 0 [pid 5863] mkdir("./70", 0777 [pid 5865] umount2("./70", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] <... mkdir resumed>) = 0 [pid 5866] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5865] openat(AT_FDCWD, "./70", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [ 248.114631][ T5866] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 248.114631][ T5866] [pid 5863] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5866] <... openat resumed>) = 3 [pid 5865] <... openat resumed>) = 3 [pid 5865] newfstatat(3, "", [pid 5863] <... openat resumed>) = 3 [pid 5866] ioctl(3, LOOP_CLR_FD [pid 5865] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] <... ioctl resumed>) = 0 [pid 5865] getdents64(3, [pid 5863] ioctl(3, LOOP_CLR_FD) = 0 [pid 5866] close(3 [pid 5865] <... getdents64 resumed>0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5863] close(3 [pid 5865] umount2("./70/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./70/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./70/binderfs") = 0 [pid 5865] umount2("./70/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 5865] umount2("./70/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./70/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] umount2("./70/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 248.183837][ T5865] [ 248.183837][ T5865] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 248.183837][ T5865] [ 248.215691][ T5865] [ 248.215691][ T5865] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 248.215691][ T5865] [pid 5865] openat(AT_FDCWD, "./70/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5865] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5865] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5865] close(4) = 0 [pid 5865] rmdir("./70/bus") = 0 [pid 5865] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./70") = 0 [pid 5865] mkdir("./71", 0777) = 0 [pid 5865] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5865] ioctl(3, LOOP_CLR_FD) = 0 [pid 5865] close(3 [pid 6809] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5864] <... close resumed>) = 0 [pid 5864] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555566de8690) = 6810 ./strace-static-x86_64: Process 6810 attached [pid 6810] set_robust_list(0x555566de86a0, 24) = 0 [pid 6810] chdir("./70") = 0 [pid 6810] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6810] setpgid(0, 0) = 0 [pid 6810] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6810] write(3, "1000", 4) = 4 [pid 6810] close(3executing program ) = 0 [pid 6810] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6810] write(1, "executing program\n", 18) = 18 [pid 6810] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6810] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6810] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6810] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6810] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6810] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6810] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0}./strace-static-x86_64: Process 6811 attached => {parent_tid=[6811]}, 88) = 6811 [pid 6810] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6810] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6811] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6810] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6811] <... rseq resumed>) = 0 [pid 6811] set_robust_list(0x7f46d9f419a0, 24) = 0 [pid 6811] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6811] memfd_create("syzkaller", 0) = 3 [pid 6811] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 5866] <... close resumed>) = 0 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555566de8690) = 6812 ./strace-static-x86_64: Process 6812 attached [pid 5865] <... close resumed>) = 0 [pid 5863] <... close resumed>) = 0 [pid 5863] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6812] set_robust_list(0x555566de86a0, 24) = 0 [pid 6812] chdir("./70") = 0 [pid 6812] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6812] setpgid(0, 0) = 0 ./strace-static-x86_64: Process 6813 attached [pid 5863] <... clone resumed>, child_tidptr=0x555566de8690) = 6813 [pid 6813] set_robust_list(0x555566de86a0, 24) = 0 [pid 6812] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6813] chdir("./70" [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6813] <... chdir resumed>) = 0 [pid 6812] <... openat resumed>) = 3 [pid 6813] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6813] setpgid(0, 0./strace-static-x86_64: Process 6814 attached [pid 6812] write(3, "1000", 4 [pid 6814] set_robust_list(0x555566de86a0, 24 [pid 5865] <... clone resumed>, child_tidptr=0x555566de8690) = 6814 [pid 6814] <... set_robust_list resumed>) = 0 [pid 6813] <... setpgid resumed>) = 0 [pid 6812] <... write resumed>) = 4 [pid 6812] close(3 [pid 6813] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6812] <... close resumed>) = 0 [pid 6814] chdir("./71" [pid 6812] symlink("/dev/binderfs", "./binderfs" [pid 6814] <... chdir resumed>) = 0 [pid 6813] <... openat resumed>) = 3 [pid 6812] <... symlink resumed>) = 0 [pid 6813] write(3, "1000", 4executing program executing program [pid 6812] write(1, "executing program\n", 18 [pid 6814] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6813] <... write resumed>) = 4 [pid 6814] <... prctl resumed>) = 0 [pid 6813] close(3 [pid 6812] <... write resumed>) = 18 [pid 6814] setpgid(0, 0) = 0 [pid 6813] <... close resumed>) = 0 [pid 6812] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6813] symlink("/dev/binderfs", "./binderfs" [pid 6814] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6812] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6812] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6812] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6813] <... symlink resumed>) = 0 [pid 6812] <... mmap resumed>) = 0x7f46d9f21000 [pid 6812] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE [pid 6814] <... openat resumed>) = 3 [pid 6813] write(1, "executing program\n", 18 [pid 6812] <... mprotect resumed>) = 0 [pid 6814] write(3, "1000", 4 [pid 6813] <... write resumed>) = 18 [pid 6812] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6814] <... write resumed>) = 4 [pid 6813] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6812] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6814] close(3 [pid 6813] <... futex resumed>) = 0 [pid 6812] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0}./strace-static-x86_64: Process 6815 attached [pid 6814] <... close resumed>) = 0 [pid 6813] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, executing program [pid 6814] symlink("/dev/binderfs", "./binderfs" [pid 6813] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6812] <... clone3 resumed> => {parent_tid=[6815]}, 88) = 6815 [pid 6812] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6812] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6814] <... symlink resumed>) = 0 [pid 6813] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6814] write(1, "executing program\n", 18 [pid 6813] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6814] <... write resumed>) = 18 [pid 6813] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6813] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6815] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6812] <... futex resumed>) = 0 [pid 6815] <... rseq resumed>) = 0 [pid 6812] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6813] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6815] set_robust_list(0x7f46d9f419a0, 24 [pid 6814] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6813] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6814] <... futex resumed>) = 0 [pid 6815] <... set_robust_list resumed>) = 0 [pid 6813] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} [pid 6814] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, [pid 6815] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 6816 attached [pid 6815] memfd_create("syzkaller", 0 [pid 6814] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6814] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6816] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6815] <... memfd_create resumed>) = 3 [pid 6814] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6813] <... clone3 resumed> => {parent_tid=[6816]}, 88) = 6816 [pid 6816] <... rseq resumed>) = 0 [pid 6815] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6816] set_robust_list(0x7f46d9f419a0, 24 [pid 6814] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6813] rt_sigprocmask(SIG_SETMASK, [], [pid 6815] <... mmap resumed>) = 0x7f46d1a00000 [pid 6814] <... mmap resumed>) = 0x7f46d9f21000 [pid 6813] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6816] <... set_robust_list resumed>) = 0 [pid 6813] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6816] rt_sigprocmask(SIG_SETMASK, [], [pid 6813] <... futex resumed>) = 0 [pid 6816] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6816] memfd_create("syzkaller", 0 [pid 6813] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6814] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE [pid 6816] <... memfd_create resumed>) = 3 [pid 6816] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6814] <... mprotect resumed>) = 0 [pid 6816] <... mmap resumed>) = 0x7f46d1a00000 [pid 6814] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6814] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0}./strace-static-x86_64: Process 6817 attached [pid 6817] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053) = 0 [pid 6817] set_robust_list(0x7f46d9f419a0, 24) = 0 [pid 6817] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6817] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6814] <... clone3 resumed> => {parent_tid=[6817]}, 88) = 6817 [pid 6814] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6814] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6817] <... futex resumed>) = 0 [pid 6814] <... futex resumed>) = 1 [pid 6814] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6817] memfd_create("syzkaller", 0) = 3 [pid 6817] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 6809] <... write resumed>) = 16777216 [pid 6809] munmap(0x7f46d1a00000, 138412032) = 0 [pid 6809] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 6809] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6809] close(3) = 0 [pid 6809] close(4) = 0 [ 248.714912][ T6809] loop4: detected capacity change from 0 to 32768 [pid 6809] mkdir("./bus", 0777 [pid 6811] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6809] <... mkdir resumed>) = 0 [pid 6809] mount("/dev/loop4", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic,") = 0 [pid 6809] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6809] chdir("./bus") = 0 [pid 6809] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6809] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6808] <... futex resumed>) = 0 [pid 6809] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6808] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6809] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6808] <... futex resumed>) = 0 [pid 6809] chdir("./file0" [pid 6808] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6809] <... chdir resumed>) = 0 [ 248.794149][ T6809] [ 248.794149][ T6809] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 248.794149][ T6809] [pid 6809] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6808] <... futex resumed>) = 0 [pid 6809] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6808] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6808] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6809] <... open resumed>) = -1 EIO (Input/output error) [ 248.855977][ T6809] read_mapping_page failed! [ 248.860540][ T6809] ERROR: (device loop4): txCommit: [ 248.860540][ T6809] [pid 6809] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6808] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6809] <... futex resumed>) = 0 [pid 6808] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6809] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x9) [pid 6808] <... futex resumed>) = 0 [pid 6815] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6808] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6816] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6809] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6817] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6809] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6808] <... futex resumed>) = 0 [pid 6809] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6808] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6809] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6808] <... futex resumed>) = 0 [pid 6809] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [ 248.916449][ T6809] read_mapping_page failed! [ 248.921022][ T6809] ERROR: (device loop4): txCommit: [ 248.921022][ T6809] [ 248.971444][ T6809] read_mapping_page failed! [pid 6808] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6809] <... openat resumed>) = -1 EIO (Input/output error) [pid 6809] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6808] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6809] <... futex resumed>) = 0 [pid 6808] exit_group(0 [pid 6809] ???( [pid 6808] <... exit_group resumed>) = ? [pid 6809] <... ??? resumed>) = ? [pid 6809] +++ exited with 0 +++ [pid 6808] +++ exited with 0 +++ [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6808, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=28 /* 0.28 s */} --- [pid 5867] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5867] umount2("./70", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./70", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5867] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5867] umount2("./70/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./70/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] unlink("./70/binderfs") = 0 [ 248.993099][ T6809] ERROR: (device loop4): txCommit: [ 248.993099][ T6809] [pid 5867] umount2("./70/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 5867] umount2("./70/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./70/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] umount2("./70/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 249.047678][ T5867] [ 249.047678][ T5867] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 249.047678][ T5867] [ 249.083304][ T5867] [ 249.083304][ T5867] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 249.083304][ T5867] [pid 5867] openat(AT_FDCWD, "./70/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5867] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5867] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5867] close(4) = 0 [pid 5867] rmdir("./70/bus") = 0 [pid 5867] getdents64(3, [pid 6811] <... write resumed>) = 16777216 [pid 5867] <... getdents64 resumed>0x555566de9730 /* 0 entries */, 32768) = 0 [pid 6811] munmap(0x7f46d1a00000, 138412032 [pid 5867] close(3) = 0 [pid 5867] rmdir("./70") = 0 [pid 5867] mkdir("./71", 0777) = 0 [pid 5867] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5867] ioctl(3, LOOP_CLR_FD) = 0 [pid 5867] close(3 [pid 6811] <... munmap resumed>) = 0 [pid 6811] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 6811] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6811] close(3) = 0 [pid 6811] close(4) = 0 [pid 6811] mkdir("./bus", 0777) = 0 [ 249.244712][ T6811] loop1: detected capacity change from 0 to 32768 [pid 6811] mount("/dev/loop1", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6815] <... write resumed>) = 16777216 [pid 6817] <... write resumed>) = 16777216 [pid 6815] munmap(0x7f46d1a00000, 138412032 [pid 6817] munmap(0x7f46d1a00000, 138412032 [pid 6811] <... mount resumed>) = 0 [ 249.308433][ T6811] [ 249.308433][ T6811] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 249.308433][ T6811] [pid 6815] <... munmap resumed>) = 0 [pid 6811] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6817] <... munmap resumed>) = 0 [pid 6816] <... write resumed>) = 16777216 [pid 6815] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6811] <... openat resumed>) = 3 [pid 6811] chdir("./bus") = 0 [pid 6815] <... openat resumed>) = 4 [pid 6811] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6817] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6816] munmap(0x7f46d1a00000, 138412032 [pid 6815] ioctl(4, LOOP_SET_FD, 3 [pid 6811] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6817] <... openat resumed>) = 4 [pid 6811] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6810] <... futex resumed>) = 0 [pid 6811] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6810] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6811] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6810] <... futex resumed>) = 0 [pid 6811] chdir("./file0" [pid 6810] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6817] ioctl(4, LOOP_SET_FD, 3 [pid 6811] <... chdir resumed>) = 0 [pid 6816] <... munmap resumed>) = 0 [pid 6811] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] <... close resumed>) = 0 [pid 6816] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6811] <... futex resumed>) = 1 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6811] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6810] <... futex resumed>) = 0 [pid 6810] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6816] <... openat resumed>) = 4 [pid 6811] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6810] <... futex resumed>) = 0 [pid 6810] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}executing program [pid 6817] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 6818 attached [pid 6816] ioctl(4, LOOP_SET_FD, 3 [pid 6815] <... ioctl resumed>) = 0 [pid 6811] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6818] set_robust_list(0x555566de86a0, 24) = 0 [pid 6818] chdir("./71" [pid 6815] close(3 [pid 6818] <... chdir resumed>) = 0 [pid 6818] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6818] setpgid(0, 0) = 0 [pid 6818] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6818] write(3, "1000", 4) = 4 [pid 6818] close(3) = 0 [pid 6818] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6818] write(1, "executing program\n", 18) = 18 [pid 6818] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6815] <... close resumed>) = 0 [pid 6818] <... futex resumed>) = 0 [pid 6815] close(4 [pid 6818] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6815] <... close resumed>) = 0 [pid 6818] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6815] mkdir("./bus", 0777 [pid 6817] close(3 [pid 6815] <... mkdir resumed>) = 0 [pid 5867] <... clone resumed>, child_tidptr=0x555566de8690) = 6818 [pid 6817] <... close resumed>) = 0 [pid 6817] close(4 [pid 6818] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6815] mount("/dev/loop3", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6818] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6817] <... close resumed>) = 0 [pid 6818] <... mmap resumed>) = 0x7f46d9f21000 [pid 6817] mkdir("./bus", 0777 [pid 6818] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6818] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6818] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} [pid 6817] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 6819 attached [pid 6818] <... clone3 resumed> => {parent_tid=[6819]}, 88) = 6819 [pid 6818] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6818] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6819] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6818] <... futex resumed>) = 0 [pid 6818] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6819] <... rseq resumed>) = 0 [pid 6819] set_robust_list(0x7f46d9f419a0, 24) = 0 [pid 6819] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [ 249.401802][ T6815] loop3: detected capacity change from 0 to 32768 [ 249.409632][ T6817] loop2: detected capacity change from 0 to 32768 [ 249.431708][ T6816] loop0: detected capacity change from 0 to 32768 [ 249.431902][ T6811] read_mapping_page failed! [pid 6819] memfd_create("syzkaller", 0 [pid 6817] mount("/dev/loop2", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6816] <... ioctl resumed>) = 0 [pid 6810] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6810] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6810] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f00000 [pid 6810] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6810] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6810] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0} [pid 6816] close(3) = 0 [pid 6810] <... clone3 resumed> => {parent_tid=[6820]}, 88) = 6820 [pid 6816] close(4 [pid 6810] rt_sigprocmask(SIG_SETMASK, [], [pid 6819] <... memfd_create resumed>) = 3 [pid 6816] <... close resumed>) = 0 [pid 6810] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6819] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6816] mkdir("./bus", 0777 [pid 6810] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6820 attached [pid 6819] <... mmap resumed>) = 0x7f46d1a00000 [pid 6816] <... mkdir resumed>) = 0 [pid 6810] <... futex resumed>) = 0 [pid 6810] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6816] mount("/dev/loop0", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6820] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053) = 0 [pid 6820] set_robust_list(0x7f46d9f209a0, 24) = 0 [pid 6820] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6820] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x3) [pid 6811] <... open resumed>) = -1 EIO (Input/output error) [ 249.461412][ T6811] ERROR: (device loop1): txCommit: [ 249.461412][ T6811] [ 249.462367][ T6815] [ 249.462367][ T6815] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 249.462367][ T6815] [ 249.488118][ T6820] read_mapping_page failed! [ 249.492672][ T6820] ERROR: (device loop1): txCommit: [ 249.492672][ T6820] [ 249.506086][ T6817] [pid 6811] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6811] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6820] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6820] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6810] <... futex resumed>) = 0 [pid 6810] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6811] <... futex resumed>) = 0 [pid 6810] <... futex resumed>) = 1 [pid 6811] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6810] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6820] <... futex resumed>) = 1 [pid 6820] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6815] <... mount resumed>) = 0 [pid 6815] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6815] chdir("./bus" [pid 6817] <... mount resumed>) = 0 [pid 6815] <... chdir resumed>) = 0 [pid 6817] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6815] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6817] <... openat resumed>) = 3 [pid 6815] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6817] chdir("./bus" [pid 6815] <... futex resumed>) = 1 [pid 6817] <... chdir resumed>) = 0 [pid 6815] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6817] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6816] <... mount resumed>) = 0 [pid 6817] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6816] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6817] <... futex resumed>) = 1 [pid 6814] <... futex resumed>) = 0 [pid 6817] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6814] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6817] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6814] <... futex resumed>) = 0 [pid 6817] chdir("./file0" [pid 6814] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6817] <... chdir resumed>) = 0 [pid 6816] <... openat resumed>) = 3 [pid 6816] chdir("./bus" [pid 6817] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6814] <... futex resumed>) = 0 [pid 6816] <... chdir resumed>) = 0 [pid 6814] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6812] <... futex resumed>) = 0 [pid 6816] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6814] <... futex resumed>) = 0 [pid 6812] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [ 249.506086][ T6817] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 249.506086][ T6817] [ 249.521540][ T6811] read_mapping_page failed! [ 249.526487][ T6816] [ 249.526487][ T6816] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 249.526487][ T6816] [ 249.539752][ T6811] ERROR: (device loop1): txCommit: [ 249.539752][ T6811] [pid 6814] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6816] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6817] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6815] <... futex resumed>) = 0 [pid 6812] <... futex resumed>) = 1 [pid 6815] chdir("./file0" [pid 6816] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6812] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6816] <... futex resumed>) = 1 [pid 6811] <... openat resumed>) = -1 EIO (Input/output error) [pid 6816] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6811] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6810] <... futex resumed>) = 0 [pid 6813] <... futex resumed>) = 0 [pid 6810] exit_group(0 [pid 6820] <... futex resumed>) = ? [pid 6813] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6810] <... exit_group resumed>) = ? [pid 6820] +++ exited with 0 +++ [pid 6816] <... futex resumed>) = 0 [pid 6813] <... futex resumed>) = 1 [pid 6816] chdir("./file0" [pid 6815] <... chdir resumed>) = 0 [pid 6813] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6815] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6812] <... futex resumed>) = 0 [pid 6815] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6812] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6812] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6816] <... chdir resumed>) = 0 [pid 6815] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6811] +++ exited with 0 +++ [pid 6810] +++ exited with 0 +++ [pid 6815] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 5864] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6810, si_uid=0, si_status=0, si_utime=13 /* 0.13 s */, si_stime=32 /* 0.32 s */} --- [pid 6816] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6813] <... futex resumed>) = 0 [pid 5864] umount2("./70", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6816] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5864] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6813] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [ 249.569331][ T6817] read_mapping_page failed! [pid 5864] openat(AT_FDCWD, "./70", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6813] <... futex resumed>) = 0 [pid 6816] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6816] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 5864] <... openat resumed>) = 3 [pid 6813] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5864] newfstatat(3, "", [pid 6814] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5864] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6814] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5864] getdents64(3, [pid 6812] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6812] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6812] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f00000 [pid 6814] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6812] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE [pid 5864] <... getdents64 resumed>0x555566de9730 /* 4 entries */, 32768) = 104 [pid 6814] <... mmap resumed>) = 0x7f46d9f00000 [pid 5864] umount2("./70/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6814] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE [pid 6812] <... mprotect resumed>) = 0 [pid 5864] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6814] <... mprotect resumed>) = 0 [pid 6812] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5864] newfstatat(AT_FDCWD, "./70/binderfs", [pid 6814] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6812] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5864] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6814] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0} [pid 5864] unlink("./70/binderfs"./strace-static-x86_64: Process 6821 attached [pid 6812] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0} [pid 5864] <... unlink resumed>) = 0 [pid 6814] <... clone3 resumed> => {parent_tid=[6821]}, 88) = 6821 [pid 5864] umount2("./70/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6814] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6822 attached [pid 6817] <... open resumed>) = -1 EIO (Input/output error) [pid 6814] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6813] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6814] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6813] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6817] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6814] <... futex resumed>) = 0 [pid 6813] <... futex resumed>) = 0 [pid 6812] <... clone3 resumed> => {parent_tid=[6822]}, 88) = 6822 [pid 6821] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053 [pid 6815] <... open resumed>) = -1 EIO (Input/output error) [pid 6814] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6813] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6821] <... rseq resumed>) = 0 [pid 6817] <... futex resumed>) = 0 [pid 6815] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [ 249.590925][ T6815] read_mapping_page failed! [ 249.597771][ T6816] read_mapping_page failed! [ 249.602308][ T6816] ERROR: (device loop0): txCommit: [ 249.602308][ T6816] [ 249.613665][ T6817] ERROR: (device loop2): txCommit: [ 249.613665][ T6817] [ 249.622009][ T6815] ERROR: (device loop3): txCommit: [ 249.622009][ T6815] [pid 6812] rt_sigprocmask(SIG_SETMASK, [], [pid 6821] set_robust_list(0x7f46d9f209a0, 24 [pid 6817] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6815] <... futex resumed>) = 0 [pid 6813] <... mmap resumed>) = 0x7f46d9f00000 [pid 6812] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6812] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6821] <... set_robust_list resumed>) = 0 [pid 6815] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6813] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE [pid 6812] <... futex resumed>) = 0 [pid 6821] rt_sigprocmask(SIG_SETMASK, [], [pid 6813] <... mprotect resumed>) = 0 [pid 6812] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6822] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053) = 0 [pid 6822] set_robust_list(0x7f46d9f209a0, 24) = 0 [pid 6813] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6822] rt_sigprocmask(SIG_SETMASK, [], [pid 6821] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6813] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6822] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6813] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0} [pid 6821] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x5) [ 249.651152][ T5864] [ 249.651152][ T5864] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 249.651152][ T5864] [ 249.674681][ T6821] read_mapping_page failed! [ 249.674987][ T6822] read_mapping_page failed! [ 249.679221][ T6821] ERROR: (device loop2): txCommit: [ 249.679221][ T6821] [ 249.695402][ T5864] [pid 6822] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x7)./strace-static-x86_64: Process 6823 attached [pid 6821] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6816] <... open resumed>) = -1 EIO (Input/output error) [pid 6813] <... clone3 resumed> => {parent_tid=[6823]}, 88) = 6823 [pid 6816] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6823] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053 [pid 6821] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6816] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6814] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6813] rt_sigprocmask(SIG_SETMASK, [], [pid 6812] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6822] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6823] <... rseq resumed>) = 0 [pid 6821] <... futex resumed>) = 0 [pid 6814] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6813] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6812] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6823] set_robust_list(0x7f46d9f209a0, 24 [pid 6822] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6821] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6814] <... futex resumed>) = 1 [pid 6813] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6823] <... set_robust_list resumed>) = 0 [pid 6822] <... futex resumed>) = 0 [pid 6814] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6813] <... futex resumed>) = 0 [pid 6823] rt_sigprocmask(SIG_SETMASK, [], [pid 6822] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6813] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6823] <... rt_sigprocmask resumed>NULL, 8) = 0 [ 249.695402][ T5864] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 249.695402][ T5864] [ 249.696783][ T6822] ERROR: (device loop3): txCommit: [ 249.696783][ T6822] [ 249.724971][ T6823] read_mapping_page failed! [ 249.729663][ T6823] ERROR: (device loop0): txCommit: [ 249.729663][ T6823] [ 249.729901][ T6817] read_mapping_page failed! [ 249.741863][ T6815] read_mapping_page failed! [ 249.746583][ T6815] ERROR: (device loop3): txCommit: [pid 6823] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x1) [pid 6817] <... futex resumed>) = 0 [pid 6815] <... futex resumed>) = 0 [pid 6812] <... futex resumed>) = 1 [pid 6817] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6812] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6815] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777) = -1 EIO (Input/output error) [pid 6823] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6823] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6815] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6813] <... futex resumed>) = 0 [pid 6823] <... futex resumed>) = 1 [pid 6815] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6813] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6816] <... futex resumed>) = 0 [pid 6813] <... futex resumed>) = 1 [pid 6812] <... futex resumed>) = 0 [pid 6816] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6823] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6813] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6812] exit_group(0 [pid 6822] <... futex resumed>) = ? [pid 6815] <... futex resumed>) = ? [pid 6814] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6812] <... exit_group resumed>) = ? [pid 6822] +++ exited with 0 +++ [pid 6815] +++ exited with 0 +++ [pid 6812] +++ exited with 0 +++ [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6812, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=34 /* 0.34 s */} --- [pid 5866] umount2("./70", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] openat(AT_FDCWD, "./70", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5866] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5866] umount2("./70/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./70/binderfs", [pid 5864] <... umount2 resumed>) = 0 [pid 5866] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] unlink("./70/binderfs") = 0 [pid 5866] umount2("./70/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5864] umount2("./70/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 249.746583][ T6815] [ 249.767916][ T6816] read_mapping_page failed! [ 249.772471][ T6816] ERROR: (device loop0): txCommit: [ 249.772471][ T6816] [ 249.785348][ T6817] ERROR: (device loop2): txCommit: [ 249.785348][ T6817] [pid 6817] <... openat resumed>) = -1 EIO (Input/output error) [pid 6816] <... openat resumed>) = -1 EIO (Input/output error) [pid 5864] newfstatat(AT_FDCWD, "./70/bus", [pid 6817] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6816] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6817] <... futex resumed>) = 0 [pid 6816] <... futex resumed>) = 1 [pid 6813] <... futex resumed>) = 0 [pid 5864] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6817] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6816] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6813] exit_group(0 [pid 5864] umount2("./70/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6823] <... futex resumed>) = ? [pid 6816] <... futex resumed>) = ? [pid 6813] <... exit_group resumed>) = ? [pid 6823] +++ exited with 0 +++ [pid 6816] +++ exited with 0 +++ [pid 6813] +++ exited with 0 +++ [pid 5864] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5864] openat(AT_FDCWD, "./70/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6819] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6814] exit_group(0 [pid 5863] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6813, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=30 /* 0.30 s */} --- [pid 6821] <... futex resumed>) = ? [pid 6817] <... futex resumed>) = ? [pid 6814] <... exit_group resumed>) = ? [pid 5864] <... openat resumed>) = 4 [pid 6821] +++ exited with 0 +++ [pid 6817] +++ exited with 0 +++ [pid 6814] +++ exited with 0 +++ [pid 5863] restart_syscall(<... resuming interrupted clone ...> [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6814, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=26 /* 0.26 s */} --- [pid 5863] <... restart_syscall resumed>) = 0 [pid 5864] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5863] umount2("./70", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] getdents64(4, [pid 5863] openat(AT_FDCWD, "./70", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5864] <... getdents64 resumed>0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5863] <... openat resumed>) = 3 [pid 5864] getdents64(4, [pid 5863] newfstatat(3, "", [pid 5864] <... getdents64 resumed>0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5863] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5864] close(4 [pid 5863] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5866] <... umount2 resumed>) = 0 [pid 5864] <... close resumed>) = 0 [pid 5863] umount2("./70/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5864] rmdir("./70/bus" [pid 5866] umount2("./70/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5864] <... rmdir resumed>) = 0 [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5863] newfstatat(AT_FDCWD, "./70/binderfs", [pid 5866] newfstatat(AT_FDCWD, "./70/bus", [pid 5863] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5864] getdents64(3, [pid 5863] unlink("./70/binderfs" [pid 5866] umount2("./70/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5865] umount2("./71", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5864] <... getdents64 resumed>0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5863] <... unlink resumed>) = 0 [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 249.802381][ T5866] [ 249.802381][ T5866] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 249.802381][ T5866] [ 249.818663][ T5866] [ 249.818663][ T5866] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 249.818663][ T5866] [pid 5863] umount2("./70/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5866] openat(AT_FDCWD, "./70/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5865] openat(AT_FDCWD, "./71", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5864] close(3 [pid 5866] <... openat resumed>) = 4 [pid 5865] <... openat resumed>) = 3 [pid 5864] <... close resumed>) = 0 [pid 5866] newfstatat(4, "", [pid 5865] newfstatat(3, "", [pid 5864] rmdir("./70" [pid 5866] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5864] <... rmdir resumed>) = 0 [pid 5865] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5864] mkdir("./71", 0777 [pid 5865] umount2("./71/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5864] <... mkdir resumed>) = 0 [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5866] getdents64(4, [pid 5865] newfstatat(AT_FDCWD, "./71/binderfs", [pid 5866] <... getdents64 resumed>0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5865] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./71/binderfs" [pid 5864] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5866] getdents64(4, [pid 5865] <... unlink resumed>) = 0 [pid 5864] <... openat resumed>) = 3 [pid 5866] <... getdents64 resumed>0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5865] umount2("./71/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5864] ioctl(3, LOOP_CLR_FD) = 0 [pid 5866] close(4 [pid 5864] close(3 [pid 5866] <... close resumed>) = 0 [pid 5863] <... umount2 resumed>) = 0 [pid 5866] rmdir("./70/bus") = 0 [pid 5863] umount2("./70/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] newfstatat(AT_FDCWD, "./70/bus", [pid 5866] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5863] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] close(3 [pid 5863] umount2("./70/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5866] <... close resumed>) = 0 [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5863] openat(AT_FDCWD, "./70/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5866] rmdir("./70" [pid 5863] <... openat resumed>) = 4 [pid 5866] <... rmdir resumed>) = 0 [pid 5863] newfstatat(4, "", [pid 5866] mkdir("./71", 0777 [pid 5863] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5863] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5863] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5863] close(4) = 0 [pid 5863] rmdir("./70/bus") = 0 [pid 5863] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5863] close(3) = 0 [pid 5863] rmdir("./70") = 0 [pid 5866] <... mkdir resumed>) = 0 [pid 5863] mkdir("./71", 0777) = 0 [ 249.867467][ T5863] [ 249.867467][ T5863] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 249.867467][ T5863] [ 249.878913][ T5863] [ 249.878913][ T5863] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 249.878913][ T5863] [pid 5863] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5863] ioctl(3, LOOP_CLR_FD) = 0 [pid 5863] close(3 [pid 5866] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5866] ioctl(3, LOOP_CLR_FD) = 0 [pid 5866] close(3 [pid 5865] <... umount2 resumed>) = 0 [pid 5865] umount2("./71/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 249.919596][ T5865] [ 249.919596][ T5865] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 249.919596][ T5865] [ 249.953799][ T5865] [ 249.953799][ T5865] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 249.953799][ T5865] [pid 5865] newfstatat(AT_FDCWD, "./71/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] umount2("./71/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./71/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5865] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5865] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5865] close(4) = 0 [pid 5865] rmdir("./71/bus") = 0 [pid 5865] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./71") = 0 [pid 5865] mkdir("./72", 0777) = 0 [pid 5865] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5865] ioctl(3, LOOP_CLR_FD) = 0 [pid 5865] close(3 [pid 6819] <... write resumed>) = 16777216 [pid 6819] munmap(0x7f46d1a00000, 138412032 [pid 5863] <... close resumed>) = 0 [pid 6819] <... munmap resumed>) = 0 [pid 6819] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5863] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6819] <... openat resumed>) = 4 [pid 6819] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 6824 attached [pid 5863] <... clone resumed>, child_tidptr=0x555566de8690) = 6824 [pid 6824] set_robust_list(0x555566de86a0, 24 [pid 6819] <... ioctl resumed>) = 0 [pid 6824] <... set_robust_list resumed>) = 0 [pid 6824] chdir("./71" [pid 6819] close(3) = 0 [pid 6819] close(4) = 0 [pid 6819] mkdir("./bus", 0777 [pid 6824] <... chdir resumed>) = 0 [pid 6819] <... mkdir resumed>) = 0 [pid 6819] mount("/dev/loop4", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6824] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5864] <... close resumed>) = 0 [pid 6824] <... prctl resumed>) = 0 [pid 6824] setpgid(0, 0) = 0 [pid 5864] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6824] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6824] write(3, "1000", 4./strace-static-x86_64: Process 6825 attached [ 250.248827][ T6819] loop4: detected capacity change from 0 to 32768 ) = 4 [pid 5866] <... close resumed>) = 0 [pid 6824] close(3 [pid 5864] <... clone resumed>, child_tidptr=0x555566de8690) = 6825 executing program [pid 6824] <... close resumed>) = 0 [pid 6825] set_robust_list(0x555566de86a0, 24 [pid 6824] symlink("/dev/binderfs", "./binderfs" [pid 6825] <... set_robust_list resumed>) = 0 [pid 6825] chdir("./71") = 0 [pid 6825] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6825] setpgid(0, 0) = 0 [pid 6825] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6825] write(3, "1000", 4) = 4 [pid 6825] close(3) = 0 [pid 6825] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6825] write(1, "executing program\n", 18) = 18 [pid 6824] <... symlink resumed>) = 0 [pid 6825] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6825] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6824] write(1, "executing program\n", 18executing program [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6824] <... write resumed>) = 18 [pid 6824] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6825] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6825] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6825] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6824] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6826 attached [pid 6824] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, [pid 5866] <... clone resumed>, child_tidptr=0x555566de8690) = 6826 [pid 6824] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6826] set_robust_list(0x555566de86a0, 24 [pid 6825] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6824] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6826] <... set_robust_list resumed>) = 0 [pid 6824] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6825] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6825] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} [pid 6826] chdir("./71" [pid 6824] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 6827 attached ) = 0x7f46d9f21000 [pid 6825] <... clone3 resumed> => {parent_tid=[6827]}, 88) = 6827 [pid 6824] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE [pid 6825] rt_sigprocmask(SIG_SETMASK, [], [pid 6824] <... mprotect resumed>) = 0 [pid 6827] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053) = 0 [pid 6827] set_robust_list(0x7f46d9f419a0, 24) = 0 [pid 6827] rt_sigprocmask(SIG_SETMASK, [], [pid 6824] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6826] <... chdir resumed>) = 0 [pid 6827] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6825] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6827] memfd_create("syzkaller", 0 [pid 6826] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6825] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6824] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6826] <... prctl resumed>) = 0 [pid 6825] <... futex resumed>) = 0 [pid 6824] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} [pid 6826] setpgid(0, 0 [pid 6825] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 6828 attached [pid 6826] <... setpgid resumed>) = 0 [pid 6828] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053) = 0 [pid 6826] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6824] <... clone3 resumed> => {parent_tid=[6828]}, 88) = 6828 [pid 6828] set_robust_list(0x7f46d9f419a0, 24) = 0 [pid 6827] <... memfd_create resumed>) = 3 [pid 6826] <... openat resumed>) = 3 [pid 6824] rt_sigprocmask(SIG_SETMASK, [], [pid 6819] <... mount resumed>) = 0 [pid 6828] rt_sigprocmask(SIG_SETMASK, [], [pid 6827] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6826] write(3, "1000", 4 [pid 6824] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6819] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6828] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6827] <... mmap resumed>) = 0x7f46d1a00000 [pid 6826] <... write resumed>) = 4 [pid 6824] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6819] <... openat resumed>) = 3 [pid 6828] memfd_create("syzkaller", 0 [pid 6824] <... futex resumed>) = 0 [pid 6828] <... memfd_create resumed>) = 3 [pid 6824] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6819] chdir("./bus" [pid 5865] <... close resumed>) = 0 [pid 6828] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 6819] <... chdir resumed>) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6819] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) ./strace-static-x86_64: Process 6829 attached [pid 6826] close(3 [pid 6819] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6818] <... futex resumed>) = 0 [pid 6826] <... close resumed>) = 0 [ 250.299683][ T6819] [ 250.299683][ T6819] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 250.299683][ T6819] [pid 6819] chdir("./file0" [pid 6818] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6826] symlink("/dev/binderfs", "./binderfs" [pid 6819] <... chdir resumed>) = 0 [pid 6818] <... futex resumed>) = 0 [pid 5865] <... clone resumed>, child_tidptr=0x555566de8690) = 6829 [pid 6829] set_robust_list(0x555566de86a0, 24 [pid 6819] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6818] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6829] <... set_robust_list resumed>) = 0 [pid 6826] <... symlink resumed>) = 0 [pid 6819] <... futex resumed>) = 0 [pid 6818] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6829] chdir("./72" [pid 6819] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6818] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6829] <... chdir resumed>) = 0 [pid 6819] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6818] <... futex resumed>) = 0 [pid 6829] prctl(PR_SET_PDEATHSIG, SIGKILLexecuting program [pid 6819] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6818] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6829] <... prctl resumed>) = 0 [pid 6826] write(1, "executing program\n", 18 [pid 6829] setpgid(0, 0) = 0 [pid 6826] <... write resumed>) = 18 [pid 6829] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6826] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6826] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6826] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6829] <... openat resumed>) = 3 [pid 6826] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6829] write(3, "1000", 4 [pid 6826] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6829] <... write resumed>) = 4 [pid 6826] <... mmap resumed>) = 0x7f46d9f21000 [pid 6829] close(3 [pid 6826] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE [pid 6829] <... close resumed>) = 0 [pid 6826] <... mprotect resumed>) = 0 [pid 6829] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6826] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6829] write(1, "executing program\n", 18) = 18 [pid 6829] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6829] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6826] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6829] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6829] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6826] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} [pid 6829] <... mmap resumed>) = 0x7f46d9f21000 [pid 6829] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 6830 attached [pid 6830] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6829] <... mprotect resumed>) = 0 [pid 6826] <... clone3 resumed> => {parent_tid=[6830]}, 88) = 6830 [pid 6830] <... rseq resumed>) = 0 [pid 6829] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6826] rt_sigprocmask(SIG_SETMASK, [], [pid 6830] set_robust_list(0x7f46d9f419a0, 24 [pid 6829] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6826] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6830] <... set_robust_list resumed>) = 0 [pid 6829] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} [pid 6826] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6830] rt_sigprocmask(SIG_SETMASK, [], [pid 6826] <... futex resumed>) = 0 [pid 6830] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6829] <... clone3 resumed> => {parent_tid=[6831]}, 88) = 6831 [pid 6826] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6829] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 6831 attached [pid 6830] memfd_create("syzkaller", 0 [pid 6829] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6830] <... memfd_create resumed>) = 3 [pid 6829] <... futex resumed>) = 0 [pid 6829] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6831] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053) = 0 [pid 6831] set_robust_list(0x7f46d9f419a0, 24) = 0 [pid 6831] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6831] memfd_create("syzkaller", 0 [pid 6830] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6819] <... open resumed>) = -1 EIO (Input/output error) [ 250.375327][ T6819] read_mapping_page failed! [ 250.379890][ T6819] ERROR: (device loop4): txCommit: [ 250.379890][ T6819] [pid 6831] <... memfd_create resumed>) = 3 [pid 6830] <... mmap resumed>) = 0x7f46d1a00000 [pid 6819] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6818] <... futex resumed>) = 0 [pid 6819] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 6818] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6819] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x9) [pid 6818] <... futex resumed>) = 0 [pid 6818] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6831] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 6819] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6818] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6819] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 250.417578][ T6819] read_mapping_page failed! [ 250.422151][ T6819] ERROR: (device loop4): txCommit: [ 250.422151][ T6819] [pid 6819] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6818] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6819] <... futex resumed>) = 0 [pid 6819] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6818] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6819] <... openat resumed>) = -1 EIO (Input/output error) [pid 6819] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6818] <... futex resumed>) = 0 [pid 6818] exit_group(0) = ? [pid 6819] +++ exited with 0 +++ [pid 6818] +++ exited with 0 +++ [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6818, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=20 /* 0.20 s */} --- [pid 5867] umount2("./71", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./71", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5867] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5867] umount2("./71/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./71/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] unlink("./71/binderfs") = 0 [ 250.481236][ T6819] read_mapping_page failed! [ 250.485949][ T6819] ERROR: (device loop4): txCommit: [ 250.485949][ T6819] [ 250.533695][ T5867] [ 250.533695][ T5867] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 250.533695][ T5867] [ 250.564058][ T5867] [ 250.564058][ T5867] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 250.564058][ T5867] [pid 5867] umount2("./71/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6828] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5867] <... umount2 resumed>) = 0 [pid 5867] umount2("./71/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./71/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] umount2("./71/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./71/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5867] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5867] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5867] close(4) = 0 [pid 5867] rmdir("./71/bus") = 0 [pid 5867] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5867] close(3) = 0 [pid 5867] rmdir("./71") = 0 [pid 5867] mkdir("./72", 0777) = 0 [pid 6827] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5867] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5867] ioctl(3, LOOP_CLR_FD) = 0 [pid 5867] close(3 [pid 6830] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6831] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5867] <... close resumed>) = 0 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555566de8690) = 6832 ./strace-static-x86_64: Process 6832 attached [pid 6832] set_robust_list(0x555566de86a0, 24) = 0 [pid 6828] <... write resumed>) = 16777216 [pid 6832] chdir("./72" [pid 6828] munmap(0x7f46d1a00000, 138412032 [pid 6832] <... chdir resumed>) = 0 [pid 6832] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6832] setpgid(0, 0) = 0 [pid 6832] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6832] write(3, "1000", 4) = 4 [pid 6832] close(3) = 0 [pid 6832] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6832] write(1, "executing program\n", 18executing program ) = 18 [pid 6832] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6832] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6832] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6832] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6832] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6832] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6832] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} => {parent_tid=[6833]}, 88) = 6833 [pid 6832] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6833 attached NULL, 8) = 0 [pid 6833] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6832] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6833] <... rseq resumed>) = 0 [pid 6832] <... futex resumed>) = 0 [pid 6833] set_robust_list(0x7f46d9f419a0, 24 [pid 6832] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6828] <... munmap resumed>) = 0 [pid 6833] <... set_robust_list resumed>) = 0 [pid 6828] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6833] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6828] <... openat resumed>) = 4 [pid 6828] ioctl(4, LOOP_SET_FD, 3 [pid 6833] memfd_create("syzkaller", 0) = 3 [pid 6828] <... ioctl resumed>) = 0 [pid 6827] <... write resumed>) = 16777216 [pid 6833] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6828] close(3) = 0 [pid 6833] <... mmap resumed>) = 0x7f46d1a00000 [pid 6828] close(4 [pid 6827] munmap(0x7f46d1a00000, 138412032 [pid 6828] <... close resumed>) = 0 [pid 6828] mkdir("./bus", 0777) = 0 [ 251.045752][ T6828] loop0: detected capacity change from 0 to 32768 [pid 6828] mount("/dev/loop0", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6827] <... munmap resumed>) = 0 [pid 6830] <... write resumed>) = 16777216 [pid 6827] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 6827] ioctl(4, LOOP_SET_FD, 3 [pid 6830] munmap(0x7f46d1a00000, 138412032 [pid 6828] <... mount resumed>) = 0 [pid 6828] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6828] chdir("./bus") = 0 [pid 6828] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6828] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6824] <... futex resumed>) = 0 [pid 6828] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6824] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6828] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6824] <... futex resumed>) = 0 [pid 6828] chdir("./file0") = 0 [pid 6828] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6824] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6828] <... futex resumed>) = 0 [pid 6824] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 251.098813][ T6828] [ 251.098813][ T6828] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 251.098813][ T6828] [ 251.130018][ T6827] loop1: detected capacity change from 0 to 32768 [pid 6828] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6824] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6828] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6824] <... futex resumed>) = 0 [pid 6828] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6824] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6831] <... write resumed>) = 16777216 [pid 6827] <... ioctl resumed>) = 0 [pid 6830] <... munmap resumed>) = 0 [pid 6827] close(3 [pid 6831] munmap(0x7f46d1a00000, 138412032 [pid 6827] <... close resumed>) = 0 [pid 6827] close(4) = 0 [pid 6830] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 6830] ioctl(4, LOOP_SET_FD, 3 [pid 6827] mkdir("./bus", 0777) = 0 [pid 6830] <... ioctl resumed>) = 0 [pid 6830] close(3) = 0 [pid 6830] close(4) = 0 [pid 6830] mkdir("./bus", 0777) = 0 [pid 6830] mount("/dev/loop3", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [ 251.155615][ T6828] read_mapping_page failed! [ 251.160199][ T6828] ERROR: (device loop0): txCommit: [ 251.160199][ T6828] [ 251.180689][ T6830] loop3: detected capacity change from 0 to 32768 [pid 6827] mount("/dev/loop1", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6828] <... open resumed>) = -1 EIO (Input/output error) [pid 6828] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6824] <... futex resumed>) = 0 [pid 6824] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6824] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6828] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x1) [pid 6831] <... munmap resumed>) = 0 [pid 6831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6824] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6831] <... openat resumed>) = 4 [pid 6824] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6831] ioctl(4, LOOP_SET_FD, 3 [pid 6824] <... futex resumed>) = 0 [pid 6824] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f00000 [pid 6824] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6824] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [ 251.209361][ T6828] read_mapping_page failed! [ 251.225003][ T6830] [ 251.225003][ T6830] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 251.225003][ T6830] [ 251.227102][ T6827] [ 251.227102][ T6827] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 251.227102][ T6827] [ 251.237521][ T6828] ERROR: (device loop0): txCommit: [ 251.237521][ T6828] [pid 6824] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0} => {parent_tid=[6834]}, 88) = 6834 [pid 6830] <... mount resumed>) = 0 [pid 6824] rt_sigprocmask(SIG_SETMASK, [], [pid 6830] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6824] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6834 attached [pid 6830] <... openat resumed>) = 3 [pid 6824] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6830] chdir("./bus" [pid 6824] <... futex resumed>) = 0 [pid 6834] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053 [pid 6830] <... chdir resumed>) = 0 [pid 6824] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6834] <... rseq resumed>) = 0 [pid 6830] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6830] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6826] <... futex resumed>) = 0 [pid 6830] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6826] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6830] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6826] <... futex resumed>) = 0 [pid 6830] chdir("./file0" [pid 6826] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6834] set_robust_list(0x7f46d9f209a0, 24) = 0 [pid 6830] <... chdir resumed>) = 0 [pid 6830] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6826] <... futex resumed>) = 0 [pid 6830] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6826] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6834] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6831] <... ioctl resumed>) = 0 [pid 6826] <... futex resumed>) = 0 [pid 6834] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6831] close(3) = 0 [pid 6826] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 251.267926][ T6831] loop2: detected capacity change from 0 to 32768 [pid 6831] close(4) = 0 [pid 6831] mkdir("./bus", 0777) = 0 [pid 6827] <... mount resumed>) = 0 [pid 6831] mount("/dev/loop2", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6827] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6827] chdir("./bus") = 0 [pid 6827] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6824] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6828] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6828] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6828] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6827] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6826] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6826] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6826] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f00000 [pid 6826] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6826] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6827] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6826] <... rt_sigprocmask resumed>[], 8) = 0 [ 251.309733][ T6830] read_mapping_page failed! [ 251.328175][ T6830] ERROR: (device loop3): txCommit: [ 251.328175][ T6830] [ 251.329833][ T6831] [ 251.329833][ T6831] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 251.329833][ T6831] [ 251.348981][ T6834] read_mapping_page failed! [pid 6826] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0} => {parent_tid=[6835]}, 88) = 6835 [pid 6826] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 6835 attached [pid 6826] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6826] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6835] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053) = 0 [pid 6835] set_robust_list(0x7f46d9f209a0, 24) = 0 [pid 6835] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6835] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x7) [pid 6830] <... open resumed>) = -1 EIO (Input/output error) [pid 6830] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6825] <... futex resumed>) = 0 [pid 6830] <... futex resumed>) = 0 [pid 6825] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6827] <... futex resumed>) = 0 [pid 6825] <... futex resumed>) = 1 [pid 6834] <... openat resumed>) = -1 EIO (Input/output error) [pid 6827] chdir("./file0" [pid 6825] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6834] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6827] <... chdir resumed>) = 0 [pid 6834] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6827] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6825] <... futex resumed>) = 0 [pid 6824] exit_group(0 [pid 6827] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6825] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6827] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6825] <... futex resumed>) = 0 [pid 6827] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6825] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6834] <... futex resumed>) = ? [pid 6828] <... futex resumed>) = ? [pid 6824] <... exit_group resumed>) = ? [pid 6830] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6828] +++ exited with 0 +++ [pid 6834] +++ exited with 0 +++ [pid 6824] +++ exited with 0 +++ [pid 5863] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6824, si_uid=0, si_status=0, si_utime=10 /* 0.10 s */, si_stime=29 /* 0.29 s */} --- [pid 5863] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5863] umount2("./71", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] openat(AT_FDCWD, "./71", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5863] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5863] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5863] umount2("./71/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] newfstatat(AT_FDCWD, "./71/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5863] unlink("./71/binderfs") = 0 [ 251.360494][ T6834] ERROR: (device loop0): txCommit: [ 251.360494][ T6834] [ 251.372950][ T6835] read_mapping_page failed! [ 251.380187][ T6835] ERROR: (device loop3): txCommit: [ 251.380187][ T6835] [ 251.397865][ T6827] read_mapping_page failed! [ 251.402950][ T6827] ERROR: (device loop1): txCommit: [ 251.402950][ T6827] [pid 5863] umount2("./71/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6835] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6826] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6826] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6830] <... futex resumed>) = 0 [pid 6826] <... futex resumed>) = 1 [pid 6830] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6826] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6835] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6827] <... open resumed>) = -1 EIO (Input/output error) [pid 6835] <... futex resumed>) = 0 [pid 6831] <... mount resumed>) = 0 [pid 6827] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6825] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6831] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6827] <... futex resumed>) = 0 [pid 6825] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6835] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6831] <... openat resumed>) = 3 [pid 6827] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x3) [pid 6825] <... futex resumed>) = 0 [pid 6831] chdir("./bus" [pid 6825] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6831] <... chdir resumed>) = 0 [pid 6826] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6831] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6831] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6830] <... openat resumed>) = -1 EIO (Input/output error) [pid 6831] <... futex resumed>) = 1 [pid 6830] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6829] <... futex resumed>) = 0 [pid 6831] chdir("./file0" [pid 6830] <... futex resumed>) = 0 [pid 6829] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6826] exit_group(0 [pid 6835] <... futex resumed>) = ? [pid 6829] <... futex resumed>) = 0 [pid 6826] <... exit_group resumed>) = ? [pid 6835] +++ exited with 0 +++ [pid 6831] <... chdir resumed>) = 0 [pid 6830] +++ exited with 0 +++ [pid 6829] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6826] +++ exited with 0 +++ [pid 6831] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6829] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6827] <... mknod resumed>) = -1 EIO (Input/output error) [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6826, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=32 /* 0.32 s */} --- [pid 6831] <... futex resumed>) = 0 [pid 6829] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6827] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6831] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6829] <... futex resumed>) = 0 [pid 6827] <... futex resumed>) = 1 [pid 6825] <... futex resumed>) = 0 [pid 6829] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6827] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6825] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] umount2("./71", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] openat(AT_FDCWD, "./71", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6825] <... futex resumed>) = 0 [ 251.426204][ T6830] read_mapping_page failed! [ 251.430764][ T6830] ERROR: (device loop3): txCommit: [ 251.430764][ T6830] [ 251.444693][ T5863] [ 251.444693][ T5863] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 251.444693][ T5863] [ 251.456103][ T6827] read_mapping_page failed! [ 251.460650][ T6827] ERROR: (device loop1): txCommit: [ 251.460650][ T6827] [pid 5866] <... openat resumed>) = 3 [pid 5866] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5866] umount2("./71/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./71/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] unlink("./71/binderfs") = 0 [pid 5866] umount2("./71/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6825] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6833] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6827] <... openat resumed>) = -1 EIO (Input/output error) [pid 6829] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 251.498539][ T6827] read_mapping_page failed! [ 251.503868][ T5863] [ 251.503868][ T5863] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 251.503868][ T5863] [ 251.504809][ T6831] read_mapping_page failed! [ 251.523702][ T6827] ERROR: (device loop1): txCommit: [ 251.523702][ T6827] [ 251.526142][ T5866] [ 251.526142][ T5866] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 251.526142][ T5866] [pid 6829] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6825] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5863] <... umount2 resumed>) = 0 [pid 6829] <... futex resumed>) = 0 [pid 6829] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5863] umount2("./71/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6829] <... mmap resumed>) = 0x7f46d9f00000 [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5863] newfstatat(AT_FDCWD, "./71/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5863] umount2("./71/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] openat(AT_FDCWD, "./71/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5863] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5863] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 6829] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE [pid 5863] getdents64(4, [pid 6827] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6829] <... mprotect resumed>) = 0 [pid 6825] exit_group(0 [pid 6827] <... futex resumed>) = 0 [pid 5863] <... getdents64 resumed>0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5863] close(4) = 0 [pid 5863] rmdir("./71/bus") = 0 [pid 5863] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5863] close(3) = 0 [pid 5863] rmdir("./71" [pid 6829] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6825] <... exit_group resumed>) = ? [pid 5863] <... rmdir resumed>) = 0 [pid 6829] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6827] +++ exited with 0 +++ [pid 5863] mkdir("./72", 0777) = 0 [pid 5863] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5863] ioctl(3, LOOP_CLR_FD) = 0 [pid 5863] close(3 [pid 6825] +++ exited with 0 +++ [pid 5864] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6825, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=25 /* 0.25 s */} --- [pid 5864] umount2("./71", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] openat(AT_FDCWD, "./71", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6831] <... open resumed>) = -1 EIO (Input/output error) [pid 6829] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0} [pid 5864] <... openat resumed>) = 3 [pid 5864] newfstatat(3, "", [pid 6831] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5864] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5864] umount2("./71/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] newfstatat(AT_FDCWD, "./71/binderfs", [pid 6829] <... clone3 resumed> => {parent_tid=[6836]}, 88) = 6836 [pid 6831] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6836 attached [pid 6831] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6829] rt_sigprocmask(SIG_SETMASK, [], [pid 5864] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5864] unlink("./71/binderfs" [pid 6829] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5864] <... unlink resumed>) = 0 [pid 5864] umount2("./71/bus", MNT_FORCE|UMOUNT_NOFOLLOW [ 251.548531][ T6831] ERROR: (device loop2): txCommit: [ 251.548531][ T6831] [pid 6829] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6836] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053 [pid 6829] <... futex resumed>) = 0 [pid 6829] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6836] <... rseq resumed>) = 0 [pid 6836] set_robust_list(0x7f46d9f209a0, 24) = 0 [pid 6836] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [ 251.594511][ T5866] [ 251.594511][ T5866] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 251.594511][ T5866] [ 251.608309][ T5864] [ 251.608309][ T5864] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 251.608309][ T5864] [pid 6836] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x5) [pid 5866] <... umount2 resumed>) = 0 [pid 5866] umount2("./71/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./71/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] umount2("./71/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] openat(AT_FDCWD, "./71/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5866] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(4, [pid 6829] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5866] <... getdents64 resumed>0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5866] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5866] close(4) = 0 [pid 5866] rmdir("./71/bus") = 0 [pid 5866] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5866] close(3) = 0 [pid 5866] rmdir("./71" [pid 6829] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] <... rmdir resumed>) = 0 [pid 6831] <... futex resumed>) = 0 [pid 6829] <... futex resumed>) = 1 [pid 6831] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6829] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] mkdir("./72", 0777) = 0 [pid 5866] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5866] ioctl(3, LOOP_CLR_FD) = 0 [ 251.643197][ T5864] [ 251.643197][ T5864] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 251.643197][ T5864] [ 251.643572][ T6836] read_mapping_page failed! [pid 5866] close(3 [pid 5864] <... umount2 resumed>) = 0 [pid 5864] umount2("./71/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] newfstatat(AT_FDCWD, "./71/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5864] umount2("./71/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] openat(AT_FDCWD, "./71/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5864] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5864] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5864] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5864] close(4) = 0 [pid 5864] rmdir("./71/bus") = 0 [pid 6829] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5864] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5864] close(3) = 0 [pid 5864] rmdir("./71") = 0 [pid 5864] mkdir("./72", 0777) = 0 [pid 5864] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5864] ioctl(3, LOOP_CLR_FD) = 0 [pid 5864] close(3 [pid 6836] <... mknod resumed>) = -1 EIO (Input/output error) [ 251.703090][ T6836] ERROR: (device loop2): txCommit: [ 251.703090][ T6836] [ 251.713452][ T6831] read_mapping_page failed! [ 251.718110][ T6831] ERROR: (device loop2): txCommit: [ 251.718110][ T6831] [pid 6836] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6836] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6831] <... openat resumed>) = -1 EIO (Input/output error) [pid 6831] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6831] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6829] exit_group(0 [pid 6836] <... futex resumed>) = ? [pid 6829] <... exit_group resumed>) = ? [pid 6836] +++ exited with 0 +++ [pid 6831] <... futex resumed>) = ? [pid 6831] +++ exited with 0 +++ [pid 6829] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6829, si_uid=0, si_status=0, si_utime=13 /* 0.13 s */, si_stime=28 /* 0.28 s */} --- [pid 5865] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5865] umount2("./72", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./72", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5865] umount2("./72/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./72/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./72/binderfs") = 0 [ 251.814667][ T5865] [ 251.814667][ T5865] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 251.814667][ T5865] [pid 5865] umount2("./72/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 5865] umount2("./72/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./72/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] umount2("./72/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 251.863437][ T5865] [ 251.863437][ T5865] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 251.863437][ T5865] [pid 5865] openat(AT_FDCWD, "./72/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5865] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5865] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5865] close(4) = 0 [pid 5865] rmdir("./72/bus") = 0 [pid 5865] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./72") = 0 [pid 5865] mkdir("./73", 0777) = 0 [pid 5865] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5865] ioctl(3, LOOP_CLR_FD) = 0 [pid 6833] <... write resumed>) = 16777216 [pid 5865] close(3 [pid 6833] munmap(0x7f46d1a00000, 138412032 [pid 5863] <... close resumed>) = 0 [pid 6833] <... munmap resumed>) = 0 [pid 5863] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6837 attached , child_tidptr=0x555566de8690) = 6837 [pid 6837] set_robust_list(0x555566de86a0, 24 [pid 6833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6837] <... set_robust_list resumed>) = 0 [pid 6833] <... openat resumed>) = 4 [pid 6837] chdir("./72" [pid 6833] ioctl(4, LOOP_SET_FD, 3 [pid 6837] <... chdir resumed>) = 0 [pid 6837] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6837] setpgid(0, 0) = 0 [pid 6837] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6837] write(3, "1000", 4 [pid 6833] <... ioctl resumed>) = 0 [pid 6837] <... write resumed>) = 4 [pid 6837] close(3) = 0 [pid 6837] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6837] write(1, "executing program\n", 18executing program ) = 18 [pid 6837] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6837] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, [pid 6833] close(3 [pid 6837] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6833] <... close resumed>) = 0 [pid 6837] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6833] close(4) = 0 [pid 6837] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6837] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6833] mkdir("./bus", 0777 [pid 6837] <... mmap resumed>) = 0x7f46d9f21000 [pid 6833] <... mkdir resumed>) = 0 [pid 6837] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE [pid 6833] mount("/dev/loop4", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6837] <... mprotect resumed>) = 0 [pid 6837] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6837] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0}./strace-static-x86_64: Process 6838 attached => {parent_tid=[6838]}, 88) = 6838 [pid 6837] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6838] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053) = 0 [pid 6837] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6838] set_robust_list(0x7f46d9f419a0, 24) = 0 [pid 6837] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6838] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6838] memfd_create("syzkaller", 0) = 3 [pid 6838] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [ 252.041934][ T6833] loop4: detected capacity change from 0 to 32768 [pid 5866] <... close resumed>) = 0 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6839 attached [pid 6833] <... mount resumed>) = 0 [pid 5864] <... close resumed>) = 0 [pid 6839] set_robust_list(0x555566de86a0, 24) = 0 [pid 5866] <... clone resumed>, child_tidptr=0x555566de8690) = 6839 [pid 5864] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6839] chdir("./72" [pid 5864] <... clone resumed>, child_tidptr=0x555566de8690) = 6840 [pid 6833] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6839] <... chdir resumed>) = 0 [pid 6833] <... openat resumed>) = 3 [pid 6839] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 6840 attached ) = 0 [pid 6833] chdir("./bus" [pid 6839] setpgid(0, 0 [pid 6833] <... chdir resumed>) = 0 [pid 6833] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6833] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6833] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6832] <... futex resumed>) = 0 [pid 6832] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6833] <... futex resumed>) = 0 [pid 6832] <... futex resumed>) = 1 [pid 6833] chdir("./file0" [pid 6832] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6839] <... setpgid resumed>) = 0 [pid 6839] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6833] <... chdir resumed>) = 0 [pid 6833] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6832] <... futex resumed>) = 0 [pid 6833] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6839] <... openat resumed>) = 3 [pid 6832] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6839] write(3, "1000", 4 [pid 6840] set_robust_list(0x555566de86a0, 24 [pid 6833] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 252.093692][ T6833] [ 252.093692][ T6833] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 252.093692][ T6833] [pid 6839] <... write resumed>) = 4 [pid 6832] <... futex resumed>) = 0 [pid 6840] <... set_robust_list resumed>) = 0 [pid 6839] close(3 [pid 6833] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6832] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6840] chdir("./72" [pid 6839] <... close resumed>) = 0 [pid 6839] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6840] <... chdir resumed>) = 0 [pid 6840] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6840] setpgid(0, 0 [pid 6839] write(1, "executing program\n", 18 [pid 6840] <... setpgid resumed>) = 0 executing program [pid 6839] <... write resumed>) = 18 [pid 6840] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6839] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6840] <... openat resumed>) = 3 [pid 6839] <... futex resumed>) = 0 [pid 6839] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, [pid 6840] write(3, "1000", 4 [pid 6839] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6840] <... write resumed>) = 4 [pid 6839] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6840] close(3 [pid 6839] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6840] <... close resumed>) = 0 [pid 6840] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6839] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6840] write(1, "executing program\n", 18) = 18 [pid 6839] <... mmap resumed>) = 0x7f46d9f21000 [pid 6839] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE [pid 6840] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6839] <... mprotect resumed>) = 0 [pid 6840] <... futex resumed>) = 0 [pid 6839] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6840] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, [pid 6839] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6840] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6839] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} [pid 6840] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 ./strace-static-x86_64: Process 6841 attached [pid 6840] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6841] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6840] <... mmap resumed>) = 0x7f46d9f21000 [pid 6833] <... open resumed>) = -1 EIO (Input/output error) [pid 6841] <... rseq resumed>) = 0 [pid 6840] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE [pid 6839] <... clone3 resumed> => {parent_tid=[6841]}, 88) = 6841 [pid 6841] set_robust_list(0x7f46d9f419a0, 24 [pid 6840] <... mprotect resumed>) = 0 [pid 6839] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6839] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6841] <... set_robust_list resumed>) = 0 [pid 6840] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6839] <... futex resumed>) = 0 [pid 6841] rt_sigprocmask(SIG_SETMASK, [], [pid 6840] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6841] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6839] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6840] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} [pid 6833] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6832] <... futex resumed>) = 0 [pid 6832] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 6842 attached [pid 6832] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6842] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6841] memfd_create("syzkaller", 0 [pid 6840] <... clone3 resumed> => {parent_tid=[6842]}, 88) = 6842 [pid 6833] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x9) [pid 6842] <... rseq resumed>) = 0 [pid 6840] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [ 252.137733][ T6833] read_mapping_page failed! [ 252.145621][ T6833] ERROR: (device loop4): txCommit: [ 252.145621][ T6833] [pid 6840] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6842] set_robust_list(0x7f46d9f419a0, 24 [pid 6841] <... memfd_create resumed>) = 3 [pid 6840] <... futex resumed>) = 0 [pid 6842] <... set_robust_list resumed>) = 0 [pid 6841] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6840] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6842] rt_sigprocmask(SIG_SETMASK, [], [pid 6841] <... mmap resumed>) = 0x7f46d1a00000 [pid 6842] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6842] memfd_create("syzkaller", 0) = 3 [ 252.196632][ T6833] read_mapping_page failed! [ 252.201193][ T6833] ERROR: (device loop4): txCommit: [ 252.201193][ T6833] [pid 6842] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 6833] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6833] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6832] <... futex resumed>) = 0 [pid 6832] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6832] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6833] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 5865] <... close resumed>) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6833] <... openat resumed>) = -1 EIO (Input/output error) [pid 6832] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6833] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6833] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 6843 attached [pid 6843] set_robust_list(0x555566de86a0, 24 [pid 6832] exit_group(0 [pid 5865] <... clone resumed>, child_tidptr=0x555566de8690) = 6843 [pid 6833] <... futex resumed>) = ? [ 252.242153][ T6833] read_mapping_page failed! [ 252.253364][ T6833] ERROR: (device loop4): txCommit: [ 252.253364][ T6833] [pid 6832] <... exit_group resumed>) = ? [pid 6843] <... set_robust_list resumed>) = 0 [pid 6833] +++ exited with 0 +++ [pid 6843] chdir("./73" [pid 6832] +++ exited with 0 +++ [pid 6843] <... chdir resumed>) = 0 [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6832, si_uid=0, si_status=0, si_utime=11 /* 0.11 s */, si_stime=26 /* 0.26 s */} --- [pid 5867] restart_syscall(<... resuming interrupted clone ...> [pid 6843] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6843] setpgid(0, 0) = 0 [pid 6843] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program ) = 3 [pid 6843] write(3, "1000", 4) = 4 [pid 6843] close(3) = 0 [pid 6843] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6843] write(1, "executing program\n", 18) = 18 [pid 6843] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6843] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6843] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6843] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6843] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6843] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5867] <... restart_syscall resumed>) = 0 [pid 5867] umount2("./72", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./72", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5867] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5867] umount2("./72/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./72/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] unlink("./72/binderfs") = 0 [pid 5867] umount2("./72/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6843] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6843] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0}./strace-static-x86_64: Process 6844 attached [pid 6844] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053) = 0 [pid 6843] <... clone3 resumed> => {parent_tid=[6844]}, 88) = 6844 [pid 6844] set_robust_list(0x7f46d9f419a0, 24 [pid 6843] rt_sigprocmask(SIG_SETMASK, [], [pid 6844] <... set_robust_list resumed>) = 0 [pid 6844] rt_sigprocmask(SIG_SETMASK, [], [pid 6843] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6844] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6844] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6843] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6838] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6844] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6844] memfd_create("syzkaller", 0 [pid 6843] <... futex resumed>) = 0 [pid 6843] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6844] <... memfd_create resumed>) = 3 [pid 6844] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 5867] <... umount2 resumed>) = 0 [pid 5867] umount2("./72/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./72/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] umount2("./72/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./72/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5867] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5867] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5867] close(4) = 0 [pid 5867] rmdir("./72/bus") = 0 [pid 5867] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5867] close(3) = 0 [pid 5867] rmdir("./72") = 0 [ 252.324437][ T5867] [ 252.324437][ T5867] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 252.324437][ T5867] [ 252.341968][ T5867] [ 252.341968][ T5867] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 252.341968][ T5867] [pid 5867] mkdir("./73", 0777) = 0 [pid 5867] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5867] ioctl(3, LOOP_CLR_FD) = 0 [pid 5867] close(3 [pid 6841] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6842] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5867] <... close resumed>) = 0 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6838] <... write resumed>) = 16777216 [pid 6838] munmap(0x7f46d1a00000, 138412032./strace-static-x86_64: Process 6845 attached [pid 6845] set_robust_list(0x555566de86a0, 24 [pid 5867] <... clone resumed>, child_tidptr=0x555566de8690) = 6845 [pid 6845] <... set_robust_list resumed>) = 0 [pid 6845] chdir("./73" [pid 6844] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6845] <... chdir resumed>) = 0 [pid 6845] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6845] setpgid(0, 0) = 0 [pid 6845] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6838] <... munmap resumed>) = 0 [pid 6845] write(3, "1000", 4) = 4 [pid 6845] close(3 [pid 6838] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6845] <... close resumed>) = 0 [pid 6845] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6845] write(1, "executing program\n", 18 [pid 6838] <... openat resumed>) = 4 [pid 6845] <... write resumed>) = 18 [pid 6845] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6838] ioctl(4, LOOP_SET_FD, 3 [pid 6845] <... futex resumed>) = 0 [pid 6845] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6845] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6845] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6845] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6845] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6845] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} => {parent_tid=[6846]}, 88) = 6846 [pid 6845] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6846 attached NULL, 8) = 0 [pid 6838] <... ioctl resumed>) = 0 [pid 6845] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6845] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6838] close(3 [pid 6846] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6838] <... close resumed>) = 0 [pid 6846] <... rseq resumed>) = 0 [pid 6838] close(4 [pid 6846] set_robust_list(0x7f46d9f419a0, 24 [pid 6838] <... close resumed>) = 0 [pid 6846] <... set_robust_list resumed>) = 0 [pid 6838] mkdir("./bus", 0777 [pid 6846] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6846] memfd_create("syzkaller", 0 [pid 6838] <... mkdir resumed>) = 0 [ 252.771685][ T6838] loop0: detected capacity change from 0 to 32768 [pid 6846] <... memfd_create resumed>) = 3 [pid 6838] mount("/dev/loop0", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6846] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 6841] <... write resumed>) = 16777216 [pid 6841] munmap(0x7f46d1a00000, 138412032) = 0 [pid 6838] <... mount resumed>) = 0 [pid 6838] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6838] chdir("./bus") = 0 [pid 6838] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6838] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 252.848416][ T6838] [ 252.848416][ T6838] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 252.848416][ T6838] [pid 6838] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6837] <... futex resumed>) = 0 [pid 6841] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6837] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6841] <... openat resumed>) = 4 [pid 6837] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6838] <... futex resumed>) = 0 [pid 6838] chdir("./file0") = 0 [pid 6838] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6838] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6841] ioctl(4, LOOP_SET_FD, 3 [pid 6837] <... futex resumed>) = 0 [pid 6837] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6838] <... futex resumed>) = 0 [pid 6838] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6842] <... write resumed>) = 16777216 [pid 6841] <... ioctl resumed>) = 0 [pid 6837] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6842] munmap(0x7f46d1a00000, 138412032 [pid 6841] close(3) = 0 [pid 6841] close(4) = 0 [ 252.934911][ T6841] loop3: detected capacity change from 0 to 32768 [ 252.945613][ T6838] read_mapping_page failed! [ 252.950167][ T6838] ERROR: (device loop0): txCommit: [ 252.950167][ T6838] [pid 6841] mkdir("./bus", 0777) = 0 [pid 6841] mount("/dev/loop3", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6842] <... munmap resumed>) = 0 [pid 6838] <... open resumed>) = -1 EIO (Input/output error) [pid 6838] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6838] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6837] <... futex resumed>) = 0 [pid 6842] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6841] <... mount resumed>) = 0 [pid 6837] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6838] <... futex resumed>) = 0 [pid 6837] <... futex resumed>) = 1 [pid 6842] <... openat resumed>) = 4 [pid 6838] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x1) [pid 6837] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6842] ioctl(4, LOOP_SET_FD, 3 [pid 6841] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6842] <... ioctl resumed>) = 0 [pid 6841] <... openat resumed>) = 3 [pid 6841] chdir("./bus" [pid 6842] close(3 [pid 6841] <... chdir resumed>) = 0 [pid 6841] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6842] <... close resumed>) = 0 [pid 6841] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6842] close(4 [pid 6841] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6842] <... close resumed>) = 0 [pid 6841] <... futex resumed>) = 1 [pid 6839] <... futex resumed>) = 0 [pid 6842] mkdir("./bus", 0777 [pid 6841] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6839] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6841] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6841] chdir("./file0" [pid 6839] <... futex resumed>) = 0 [pid 6839] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6842] <... mkdir resumed>) = 0 [pid 6841] <... chdir resumed>) = 0 [pid 6838] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6841] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6842] mount("/dev/loop1", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6841] <... futex resumed>) = 1 [pid 6839] <... futex resumed>) = 0 [pid 6841] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6839] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 253.001668][ T6841] [ 253.001668][ T6841] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 253.001668][ T6841] [ 253.017135][ T6838] read_mapping_page failed! [ 253.021707][ T6838] ERROR: (device loop0): txCommit: [ 253.021707][ T6838] [ 253.030256][ T6842] loop1: detected capacity change from 0 to 32768 [pid 6839] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6838] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6838] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6837] <... futex resumed>) = 0 [pid 6837] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6838] <... futex resumed>) = 0 [pid 6837] <... futex resumed>) = 1 [pid 6838] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6837] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6838] <... openat resumed>) = -1 EIO (Input/output error) [pid 6838] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6837] <... futex resumed>) = 0 [pid 6837] exit_group(0) = ? [pid 6841] <... open resumed>) = -1 EIO (Input/output error) [pid 6838] +++ exited with 0 +++ [pid 6837] +++ exited with 0 +++ [pid 6841] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6837, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=33 /* 0.33 s */} --- [pid 6841] <... futex resumed>) = 1 [pid 6839] <... futex resumed>) = 0 [pid 5863] restart_syscall(<... resuming interrupted clone ...> [pid 6842] <... mount resumed>) = 0 [pid 6841] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x7) [ 253.067940][ T6841] read_mapping_page failed! [ 253.072505][ T6841] ERROR: (device loop3): txCommit: [ 253.072505][ T6841] [ 253.084568][ T6838] read_mapping_page failed! [ 253.090490][ T6838] ERROR: (device loop0): txCommit: [ 253.090490][ T6838] [ 253.096387][ T6842] [ 253.096387][ T6842] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 253.096387][ T6842] [pid 6839] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5863] <... restart_syscall resumed>) = 0 [pid 6842] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6839] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6842] <... openat resumed>) = 3 [pid 5863] umount2("./72", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6842] chdir("./bus" [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6842] <... chdir resumed>) = 0 [pid 5863] openat(AT_FDCWD, "./72", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 6842] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5863] newfstatat(3, "", [pid 6842] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5863] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6842] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5863] umount2("./72/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6842] <... futex resumed>) = 1 [pid 6840] <... futex resumed>) = 0 [pid 6842] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6842] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6840] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6842] chdir("./file0" [pid 5863] newfstatat(AT_FDCWD, "./72/binderfs", [pid 6841] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6840] <... futex resumed>) = 0 [pid 6842] <... chdir resumed>) = 0 [pid 6841] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6840] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5863] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6842] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6841] <... futex resumed>) = 1 [pid 6840] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6839] <... futex resumed>) = 0 [pid 5863] unlink("./72/binderfs" [pid 6842] <... futex resumed>) = 0 [pid 6841] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6840] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6839] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6842] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6840] <... futex resumed>) = 0 [pid 6839] <... futex resumed>) = 0 [pid 5863] <... unlink resumed>) = 0 [pid 5863] umount2("./72/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6839] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 253.143587][ T6841] read_mapping_page failed! [ 253.148152][ T6841] ERROR: (device loop3): txCommit: [ 253.148152][ T6841] [pid 6840] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6846] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6839] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6840] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5863] <... umount2 resumed>) = 0 [pid 6840] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] umount2("./72/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] newfstatat(AT_FDCWD, "./72/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5863] umount2("./72/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6840] <... futex resumed>) = 0 [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6840] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5863] openat(AT_FDCWD, "./72/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6840] <... mmap resumed>) = 0x7f46d9f00000 [pid 5863] <... openat resumed>) = 4 [pid 6840] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE [pid 5863] newfstatat(4, "", [pid 6844] <... write resumed>) = 16777216 [pid 6840] <... mprotect resumed>) = 0 [pid 5863] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6840] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6840] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0}./strace-static-x86_64: Process 6847 attached [ 253.185497][ T5863] [ 253.185497][ T5863] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 253.185497][ T5863] [ 253.185619][ T6842] read_mapping_page failed! [ 253.198030][ T5863] [ 253.198030][ T5863] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 253.198030][ T5863] [ 253.201060][ T6841] read_mapping_page failed! [ 253.226903][ T6842] ERROR: (device loop1): txCommit: [ 253.226903][ T6842] [pid 6847] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053 [pid 6844] munmap(0x7f46d1a00000, 138412032 [pid 6840] <... clone3 resumed> => {parent_tid=[6847]}, 88) = 6847 [pid 6847] <... rseq resumed>) = 0 [pid 6840] rt_sigprocmask(SIG_SETMASK, [], [pid 6847] set_robust_list(0x7f46d9f209a0, 24 [pid 6840] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5863] getdents64(4, [pid 6847] <... set_robust_list resumed>) = 0 [pid 6840] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6847] rt_sigprocmask(SIG_SETMASK, [], [pid 6840] <... futex resumed>) = 0 [pid 5863] <... getdents64 resumed>0x555566df1770 /* 2 entries */, 32768) = 48 [pid 6847] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6840] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5863] getdents64(4, [pid 6847] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x3) [pid 5863] <... getdents64 resumed>0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5863] close(4) = 0 [pid 5863] rmdir("./72/bus") = 0 [pid 5863] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5863] close(3) = 0 [pid 5863] rmdir("./72") = 0 [pid 6844] <... munmap resumed>) = 0 [pid 6842] <... open resumed>) = -1 EIO (Input/output error) [pid 6841] <... openat resumed>) = -1 EIO (Input/output error) [pid 6844] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6842] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6841] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6842] <... futex resumed>) = 0 [pid 6841] <... futex resumed>) = 0 [pid 6842] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6841] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6839] exit_group(0 [pid 6841] <... futex resumed>) = ? [pid 6839] <... exit_group resumed>) = ? [pid 6844] <... openat resumed>) = 4 [pid 6841] +++ exited with 0 +++ [pid 6844] ioctl(4, LOOP_SET_FD, 3 [pid 6839] +++ exited with 0 +++ [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6839, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=29 /* 0.29 s */} --- [pid 5866] umount2("./72", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] openat(AT_FDCWD, "./72", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5866] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5866] umount2("./72/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5863] mkdir("./73", 0777 [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5863] <... mkdir resumed>) = 0 [pid 5866] newfstatat(AT_FDCWD, "./72/binderfs", [pid 5863] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5866] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5863] <... openat resumed>) = 3 [pid 5866] unlink("./72/binderfs" [pid 5863] ioctl(3, LOOP_CLR_FD [pid 5866] <... unlink resumed>) = 0 [pid 5863] <... ioctl resumed>) = 0 [pid 5863] close(3 [pid 6844] <... ioctl resumed>) = 0 [ 253.254381][ T6841] ERROR: (device loop3): txCommit: [ 253.254381][ T6841] [ 253.274869][ T6847] read_mapping_page failed! [ 253.284333][ T6844] loop2: detected capacity change from 0 to 32768 [pid 5866] umount2("./72/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6840] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6840] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6842] <... futex resumed>) = 0 [pid 6844] close(3 [pid 6842] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6844] <... close resumed>) = 0 [pid 6844] close(4 [pid 6840] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6844] <... close resumed>) = 0 [pid 6847] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6844] mkdir("./bus", 0777) = 0 [pid 6844] mount("/dev/loop2", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [ 253.311003][ T5866] [ 253.311003][ T5866] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 253.311003][ T5866] [ 253.323295][ T6847] ERROR: (device loop1): txCommit: [ 253.323295][ T6847] [ 253.334398][ T6842] read_mapping_page failed! [ 253.339002][ T6842] ERROR: (device loop1): txCommit: [ 253.339002][ T6842] [ 253.355776][ T5866] [pid 6847] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6847] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6842] <... openat resumed>) = -1 EIO (Input/output error) [pid 6840] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6842] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6840] exit_group(0 [pid 6842] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6847] <... futex resumed>) = ? [pid 6840] <... exit_group resumed>) = ? [pid 6842] <... futex resumed>) = ? [pid 6847] +++ exited with 0 +++ [pid 6842] +++ exited with 0 +++ [pid 6840] +++ exited with 0 +++ [pid 5864] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6840, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=25 /* 0.25 s */} --- [pid 6844] <... mount resumed>) = 0 [pid 5864] restart_syscall(<... resuming interrupted clone ...> [pid 6844] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6844] chdir("./bus") = 0 [pid 6844] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6844] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] <... restart_syscall resumed>) = 0 [pid 6844] <... futex resumed>) = 1 [pid 6843] <... futex resumed>) = 0 [pid 6843] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6844] chdir("./file0" [pid 6843] <... futex resumed>) = 0 [pid 6843] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5864] umount2("./72", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6844] <... chdir resumed>) = 0 [pid 5864] openat(AT_FDCWD, "./72", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6844] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] <... openat resumed>) = 3 [pid 6844] <... futex resumed>) = 1 [pid 6844] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6843] <... futex resumed>) = 0 [pid 5864] newfstatat(3, "", [pid 6843] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6844] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 253.355776][ T5866] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 253.355776][ T5866] [ 253.369282][ T6844] [ 253.369282][ T6844] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 253.369282][ T6844] [pid 5864] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6843] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5864] getdents64(3, [pid 6844] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 5864] <... getdents64 resumed>0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5866] <... umount2 resumed>) = 0 [pid 5864] umount2("./72/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5866] umount2("./72/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5864] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5864] newfstatat(AT_FDCWD, "./72/binderfs", [pid 5866] newfstatat(AT_FDCWD, "./72/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5864] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6844] <... open resumed>) = -1 EIO (Input/output error) [pid 5866] umount2("./72/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5864] unlink("./72/binderfs" [pid 6844] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5866] openat(AT_FDCWD, "./72/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6844] <... futex resumed>) = 1 [pid 6843] <... futex resumed>) = 0 [pid 5866] <... openat resumed>) = 4 [pid 5864] <... unlink resumed>) = 0 [pid 6844] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6843] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6844] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6843] <... futex resumed>) = 0 [pid 5864] umount2("./72/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6844] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x5) [pid 6843] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5866] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5866] close(4) = 0 [pid 5866] rmdir("./72/bus") = 0 [ 253.405253][ T6844] read_mapping_page failed! [ 253.409817][ T6844] ERROR: (device loop2): txCommit: [ 253.409817][ T6844] [ 253.431225][ T6844] read_mapping_page failed! [ 253.437448][ T5864] [ 253.437448][ T5864] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 253.437448][ T5864] [ 253.450481][ T6844] ERROR: (device loop2): txCommit: [pid 5866] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5866] close(3) = 0 [pid 5866] rmdir("./72") = 0 [pid 5866] mkdir("./73", 0777) = 0 [pid 5866] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5866] ioctl(3, LOOP_CLR_FD) = 0 [pid 5866] close(3 [pid 6843] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6843] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6843] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f00000 [pid 6843] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE [pid 6844] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6843] <... mprotect resumed>) = 0 [pid 6844] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6843] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6844] <... futex resumed>) = 0 [pid 6843] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6843] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0} [pid 6844] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6843] <... clone3 resumed> => {parent_tid=[6848]}, 88) = 6848 [pid 6843] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6843] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6843] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6848 attached [pid 6848] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053) = 0 [pid 6848] set_robust_list(0x7f46d9f209a0, 24) = 0 [pid 6848] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6848] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 5864] <... umount2 resumed>) = 0 [ 253.450481][ T6844] [ 253.461536][ T5864] [ 253.461536][ T5864] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 253.461536][ T5864] [pid 5864] umount2("./72/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] newfstatat(AT_FDCWD, "./72/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5864] umount2("./72/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] openat(AT_FDCWD, "./72/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5864] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5864] getdents64(4, [pid 6843] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5864] <... getdents64 resumed>0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5864] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5864] close(4) = 0 [pid 5864] rmdir("./72/bus") = 0 [pid 5864] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5864] close(3) = 0 [pid 5864] rmdir("./72") = 0 [pid 5864] mkdir("./73", 0777) = 0 [pid 5864] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5864] ioctl(3, LOOP_CLR_FD) = 0 [ 253.523432][ T6848] read_mapping_page failed! [ 253.528003][ T6848] ERROR: (device loop2): txCommit: [ 253.528003][ T6848] [pid 5864] close(3 [pid 6848] <... openat resumed>) = -1 EIO (Input/output error) [pid 6848] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6843] exit_group(0 [pid 6844] <... futex resumed>) = ? [pid 6843] <... exit_group resumed>) = ? [pid 6844] +++ exited with 0 +++ [pid 5863] <... close resumed>) = 0 [pid 5863] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555566de8690) = 6849 [pid 6848] +++ exited with 0 +++ [pid 6843] +++ exited with 0 +++ ./strace-static-x86_64: Process 6849 attached [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6843, si_uid=0, si_status=0, si_utime=10 /* 0.10 s */, si_stime=22 /* 0.22 s */} --- [pid 6849] set_robust_list(0x555566de86a0, 24 [pid 5865] restart_syscall(<... resuming interrupted clone ...> [pid 6849] <... set_robust_list resumed>) = 0 [pid 6849] chdir("./73") = 0 [pid 6849] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5865] <... restart_syscall resumed>) = 0 [pid 5865] umount2("./73", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./73", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5865] umount2("./73/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./73/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./73/binderfs") = 0 [pid 5865] umount2("./73/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6849] setpgid(0, 0) = 0 [pid 6849] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6849] write(3, "1000", 4) = 4 [pid 6849] close(3) = 0 [pid 6849] symlink("/dev/binderfs", "./binderfs") = 0 [ 253.661779][ T5865] [ 253.661779][ T5865] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 253.661779][ T5865] [pid 6849] write(1, "executing program\n", 18executing program ) = 18 [pid 6849] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6849] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6849] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6849] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6849] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6849] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6846] <... write resumed>) = 16777216 [pid 6849] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6849] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0}./strace-static-x86_64: Process 6850 attached [pid 6850] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6849] <... clone3 resumed> => {parent_tid=[6850]}, 88) = 6850 [pid 6850] <... rseq resumed>) = 0 [pid 6849] rt_sigprocmask(SIG_SETMASK, [], [pid 6850] set_robust_list(0x7f46d9f419a0, 24 [pid 6849] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6850] <... set_robust_list resumed>) = 0 [pid 6850] rt_sigprocmask(SIG_SETMASK, [], [pid 6849] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6850] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6849] <... futex resumed>) = 0 [pid 6850] memfd_create("syzkaller", 0) = 3 [pid 6849] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6850] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 5865] <... umount2 resumed>) = 0 [pid 5865] umount2("./73/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./73/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] umount2("./73/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./73/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5865] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5865] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5865] close(4) = 0 [pid 5865] rmdir("./73/bus") = 0 [pid 5865] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./73") = 0 [pid 5865] mkdir("./74", 0777) = 0 [pid 5865] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5865] ioctl(3, LOOP_CLR_FD) = 0 [ 253.703610][ T5865] [ 253.703610][ T5865] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 253.703610][ T5865] [pid 5865] close(3 [pid 6846] munmap(0x7f46d1a00000, 138412032 [pid 5866] <... close resumed>) = 0 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6851 attached [pid 6851] set_robust_list(0x555566de86a0, 24) = 0 [pid 6851] chdir("./73" [pid 5866] <... clone resumed>, child_tidptr=0x555566de8690) = 6851 [pid 6851] <... chdir resumed>) = 0 [pid 6851] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6851] setpgid(0, 0) = 0 [pid 6851] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6851] write(3, "1000", 4 [pid 6846] <... munmap resumed>) = 0 [pid 6851] <... write resumed>) = 4 [pid 6851] close(3 [pid 6846] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6851] <... close resumed>) = 0 [pid 6846] <... openat resumed>) = 4 [pid 6846] ioctl(4, LOOP_SET_FD, 3 [pid 6851] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6851] write(1, "executing program\n", 18) = 18 [pid 6851] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6851] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6851] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6851] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6851] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6851] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6851] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0}./strace-static-x86_64: Process 6852 attached [pid 6846] <... ioctl resumed>) = 0 [pid 6846] close(3 [pid 6852] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6846] <... close resumed>) = 0 [pid 6852] <... rseq resumed>) = 0 [pid 6851] <... clone3 resumed> => {parent_tid=[6852]}, 88) = 6852 [pid 6852] set_robust_list(0x7f46d9f419a0, 24 [pid 6851] rt_sigprocmask(SIG_SETMASK, [], [pid 6846] close(4 [pid 6852] <... set_robust_list resumed>) = 0 [pid 6852] rt_sigprocmask(SIG_SETMASK, [], [pid 6851] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6846] <... close resumed>) = 0 [pid 6852] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6846] mkdir("./bus", 0777 [pid 6852] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6851] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6852] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6851] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6846] <... mkdir resumed>) = 0 [pid 6852] memfd_create("syzkaller", 0 [pid 6846] mount("/dev/loop4", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6852] <... memfd_create resumed>) = 3 [pid 6852] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [ 253.833954][ T6846] loop4: detected capacity change from 0 to 32768 [pid 6846] <... mount resumed>) = 0 [pid 6846] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6846] chdir("./bus") = 0 [pid 6846] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5864] <... close resumed>) = 0 [pid 6846] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6846] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5864] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6846] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6845] <... futex resumed>) = 0 [pid 6845] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6853 attached [pid 6846] <... futex resumed>) = 0 [pid 6845] <... futex resumed>) = 1 [pid 5864] <... clone resumed>, child_tidptr=0x555566de8690) = 6853 [pid 6846] chdir("./file0" [pid 6845] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6853] set_robust_list(0x555566de86a0, 24) = 0 [pid 6846] <... chdir resumed>) = 0 [pid 6853] chdir("./73" [ 253.889567][ T6846] [ 253.889567][ T6846] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 253.889567][ T6846] [pid 6846] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6853] <... chdir resumed>) = 0 [pid 6846] <... futex resumed>) = 1 [pid 6845] <... futex resumed>) = 0 [pid 6853] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6846] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6845] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6853] <... prctl resumed>) = 0 [pid 6846] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6845] <... futex resumed>) = 0 [pid 6853] setpgid(0, 0 [pid 6846] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6845] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6853] <... setpgid resumed>) = 0 [pid 6853] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6853] write(3, "1000", 4) = 4 [pid 6853] close(3) = 0 [pid 6853] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6853] write(1, "executing program\n", 18 [pid 6846] <... open resumed>) = -1 EIO (Input/output error) [pid 6846] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6853] <... write resumed>) = 18 [pid 6853] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6846] <... futex resumed>) = 1 [pid 6845] <... futex resumed>) = 0 [pid 6853] <... futex resumed>) = 0 [pid 6846] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6853] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6845] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6853] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6846] <... futex resumed>) = 0 [pid 6845] <... futex resumed>) = 1 [pid 6853] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6846] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x9) [pid 6845] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 253.961988][ T6846] read_mapping_page failed! [ 253.973469][ T6846] ERROR: (device loop4): txCommit: [ 253.973469][ T6846] [pid 6853] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6853] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6853] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6853] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0}./strace-static-x86_64: Process 6854 attached [pid 6854] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6853] <... clone3 resumed> => {parent_tid=[6854]}, 88) = 6854 [pid 6854] <... rseq resumed>) = 0 [pid 6853] rt_sigprocmask(SIG_SETMASK, [], [pid 6854] set_robust_list(0x7f46d9f419a0, 24 [pid 6853] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6854] <... set_robust_list resumed>) = 0 [pid 6854] rt_sigprocmask(SIG_SETMASK, [], [pid 6853] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6854] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6853] <... futex resumed>) = 0 [pid 6854] memfd_create("syzkaller", 0) = 3 [pid 6853] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6854] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 6846] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6846] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6845] <... futex resumed>) = 0 [pid 6846] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6845] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6845] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6846] <... futex resumed>) = 0 [ 254.005921][ T6846] read_mapping_page failed! [ 254.010488][ T6846] ERROR: (device loop4): txCommit: [ 254.010488][ T6846] [pid 6846] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777) = -1 EIO (Input/output error) [pid 5865] <... close resumed>) = 0 [pid 6846] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6846] <... futex resumed>) = 1 [pid 6846] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6845] <... futex resumed>) = 0 [pid 6845] exit_group(0 [pid 6846] <... futex resumed>) = ? [pid 6845] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6855 attached [pid 6846] +++ exited with 0 +++ [pid 6845] +++ exited with 0 +++ [pid 6855] set_robust_list(0x555566de86a0, 24 [pid 5865] <... clone resumed>, child_tidptr=0x555566de8690) = 6855 [pid 6855] <... set_robust_list resumed>) = 0 [pid 6855] chdir("./74" [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6845, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=26 /* 0.26 s */} --- [pid 6855] <... chdir resumed>) = 0 [pid 6855] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5867] umount2("./73", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./73", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5867] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5867] umount2("./73/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./73/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 254.065481][ T6846] read_mapping_page failed! [ 254.070049][ T6846] ERROR: (device loop4): txCommit: [ 254.070049][ T6846] [pid 5867] unlink("./73/binderfs" [pid 6855] setpgid(0, 0) = 0 [pid 5867] <... unlink resumed>) = 0 [pid 5867] umount2("./73/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6855] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6855] write(3, "1000", 4) = 4 [pid 6855] close(3 [pid 6850] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6855] <... close resumed>) = 0 [pid 6852] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6855] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6855] write(1, "executing program\n", 18) = 18 [pid 6855] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6855] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6855] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6855] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6855] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6855] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5867] <... umount2 resumed>) = 0 [pid 6855] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0}./strace-static-x86_64: Process 6856 attached [ 254.114983][ T5867] [ 254.114983][ T5867] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 254.114983][ T5867] [ 254.142643][ T5867] [ 254.142643][ T5867] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 254.142643][ T5867] [pid 5867] umount2("./73/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6855] <... clone3 resumed> => {parent_tid=[6856]}, 88) = 6856 [pid 6856] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6855] rt_sigprocmask(SIG_SETMASK, [], [pid 5867] newfstatat(AT_FDCWD, "./73/bus", [pid 6856] <... rseq resumed>) = 0 [pid 6856] set_robust_list(0x7f46d9f419a0, 24 [pid 6855] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5867] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6856] <... set_robust_list resumed>) = 0 [pid 6855] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] umount2("./73/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6856] rt_sigprocmask(SIG_SETMASK, [], [pid 6855] <... futex resumed>) = 0 [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6856] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6855] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5867] openat(AT_FDCWD, "./73/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6856] memfd_create("syzkaller", 0 [pid 5867] <... openat resumed>) = 4 [pid 6856] <... memfd_create resumed>) = 3 [pid 5867] newfstatat(4, "", [pid 6856] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5867] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6856] <... mmap resumed>) = 0x7f46d1a00000 [pid 5867] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5867] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5867] close(4) = 0 [pid 5867] rmdir("./73/bus") = 0 [pid 5867] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5867] close(3) = 0 [pid 5867] rmdir("./73") = 0 [pid 5867] mkdir("./74", 0777) = 0 [pid 5867] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5867] ioctl(3, LOOP_CLR_FD) = 0 [pid 5867] close(3 [pid 6854] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5867] <... close resumed>) = 0 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6857 attached , child_tidptr=0x555566de8690) = 6857 [pid 6857] set_robust_list(0x555566de86a0, 24) = 0 [pid 6857] chdir("./74") = 0 [pid 6857] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6857] setpgid(0, 0) = 0 [pid 6857] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6857] write(3, "1000", 4) = 4 [pid 6857] close(3) = 0 [pid 6857] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6857] write(1, "executing program\n", 18) = 18 [pid 6857] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6857] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6857] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6857] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6850] <... write resumed>) = 16777216 [pid 6857] <... mmap resumed>) = 0x7f46d9f21000 [pid 6857] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6857] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6850] munmap(0x7f46d1a00000, 138412032 [pid 6857] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6857] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} => {parent_tid=[6858]}, 88) = 6858 [pid 6857] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6857] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6857] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6850] <... munmap resumed>) = 0 ./strace-static-x86_64: Process 6858 attached [pid 6858] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053) = 0 [pid 6858] set_robust_list(0x7f46d9f419a0, 24) = 0 [pid 6850] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6858] rt_sigprocmask(SIG_SETMASK, [], [pid 6850] <... openat resumed>) = 4 [pid 6858] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6852] <... write resumed>) = 16777216 [pid 6850] ioctl(4, LOOP_SET_FD, 3 [pid 6858] memfd_create("syzkaller", 0 [pid 6852] munmap(0x7f46d1a00000, 138412032 [pid 6858] <... memfd_create resumed>) = 3 [pid 6858] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 6856] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6850] <... ioctl resumed>) = 0 [pid 6850] close(3) = 0 [pid 6850] close(4) = 0 [pid 6850] mkdir("./bus", 0777) = 0 [ 254.555487][ T6850] loop0: detected capacity change from 0 to 32768 [pid 6850] mount("/dev/loop0", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6852] <... munmap resumed>) = 0 [pid 6852] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 6852] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6850] <... mount resumed>) = 0 [pid 6852] close(3 [pid 6850] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6852] <... close resumed>) = 0 [pid 6852] close(4 [pid 6850] <... openat resumed>) = 3 [pid 6852] <... close resumed>) = 0 [pid 6850] chdir("./bus" [pid 6852] mkdir("./bus", 0777) = 0 [pid 6850] <... chdir resumed>) = 0 [pid 6852] mount("/dev/loop3", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6850] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [ 254.604261][ T6850] [ 254.604261][ T6850] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 254.604261][ T6850] [ 254.632899][ T6852] loop3: detected capacity change from 0 to 32768 [pid 6850] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6849] <... futex resumed>) = 0 [pid 6850] <... futex resumed>) = 1 [pid 6849] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6850] chdir("./file0" [pid 6849] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6850] <... chdir resumed>) = 0 [pid 6850] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6852] <... mount resumed>) = 0 [pid 6850] <... futex resumed>) = 1 [pid 6849] <... futex resumed>) = 0 [pid 6850] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6849] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6852] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6849] <... futex resumed>) = 0 [pid 6852] <... openat resumed>) = 3 [pid 6849] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6852] chdir("./bus") = 0 [ 254.684402][ T6852] [ 254.684402][ T6852] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 254.684402][ T6852] [pid 6852] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6852] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6854] <... write resumed>) = 16777216 [pid 6852] <... futex resumed>) = 1 [pid 6851] <... futex resumed>) = 0 [pid 6852] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6851] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6852] <... futex resumed>) = 0 [pid 6851] <... futex resumed>) = 1 [pid 6852] chdir("./file0" [pid 6851] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6852] <... chdir resumed>) = 0 [pid 6852] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6851] <... futex resumed>) = 0 [pid 6854] munmap(0x7f46d1a00000, 138412032 [pid 6852] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6851] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6852] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6852] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6851] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6850] <... open resumed>) = -1 EIO (Input/output error) [pid 6850] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6849] <... futex resumed>) = 0 [ 254.725608][ T6850] read_mapping_page failed! [ 254.730452][ T6850] ERROR: (device loop0): txCommit: [ 254.730452][ T6850] [pid 6849] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6850] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x1) [pid 6854] <... munmap resumed>) = 0 [pid 6854] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 6854] ioctl(4, LOOP_SET_FD, 3 [pid 6849] <... futex resumed>) = 0 [pid 6849] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6854] <... ioctl resumed>) = 0 [pid 6854] close(3) = 0 [pid 6854] close(4 [pid 6850] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6852] <... open resumed>) = -1 EIO (Input/output error) [pid 6850] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6852] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6850] <... futex resumed>) = 1 [pid 6849] <... futex resumed>) = 0 [pid 6852] <... futex resumed>) = 1 [pid 6851] <... futex resumed>) = 0 [pid 6852] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6849] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6852] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6851] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6849] <... futex resumed>) = 0 [pid 6852] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x7) [pid 6851] <... futex resumed>) = 0 [pid 6849] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6854] <... close resumed>) = 0 [ 254.773377][ T6852] read_mapping_page failed! [ 254.778233][ T6852] ERROR: (device loop3): txCommit: [ 254.778233][ T6852] [ 254.786247][ T6850] read_mapping_page failed! [ 254.790791][ T6850] ERROR: (device loop0): txCommit: [ 254.790791][ T6850] [ 254.796935][ T6854] loop1: detected capacity change from 0 to 32768 [pid 6854] mkdir("./bus", 0777 [pid 6851] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6854] <... mkdir resumed>) = 0 [pid 6854] mount("/dev/loop1", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6850] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6852] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6851] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6851] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6851] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f00000 [pid 6851] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6851] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6849] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6851] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0} => {parent_tid=[6859]}, 88) = 6859 [pid 6851] rt_sigprocmask(SIG_SETMASK, [], [pid 6852] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6851] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6851] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6852] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6851] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6850] <... openat resumed>) = -1 EIO (Input/output error) [ 254.822884][ T6852] read_mapping_page failed! [ 254.839179][ T6850] read_mapping_page failed! [ 254.844761][ T6852] ERROR: (device loop3): txCommit: [ 254.844761][ T6852] [ 254.854328][ T6850] ERROR: (device loop0): txCommit: [ 254.854328][ T6850] ./strace-static-x86_64: Process 6859 attached [pid 6850] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6849] exit_group(0) = ? [pid 6859] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053) = 0 [pid 6850] +++ exited with 0 +++ [pid 6849] +++ exited with 0 +++ [pid 6859] set_robust_list(0x7f46d9f209a0, 24 [pid 5863] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6849, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=28 /* 0.28 s */} --- [pid 6859] <... set_robust_list resumed>) = 0 [pid 6859] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6859] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 5863] umount2("./73", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] openat(AT_FDCWD, "./73", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5863] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5863] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5863] umount2("./73/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] newfstatat(AT_FDCWD, "./73/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5863] unlink("./73/binderfs") = 0 [pid 6851] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 254.884530][ T6854] [ 254.884530][ T6854] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 254.884530][ T6854] [ 254.909041][ T6859] read_mapping_page failed! [ 254.923894][ T6859] ERROR: (device loop3): txCommit: [ 254.923894][ T6859] [pid 5863] umount2("./73/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6854] <... mount resumed>) = 0 [pid 6854] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6854] chdir("./bus") = 0 [pid 6854] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6859] <... openat resumed>) = -1 EIO (Input/output error) [pid 6854] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6859] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6854] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6859] <... futex resumed>) = 0 [pid 6854] <... futex resumed>) = 1 [pid 6853] <... futex resumed>) = 0 [pid 6859] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6854] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6853] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6854] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6853] <... futex resumed>) = 0 [pid 6854] chdir("./file0" [pid 6853] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6851] exit_group(0 [pid 6859] <... futex resumed>) = ? [pid 6851] <... exit_group resumed>) = ? [pid 6859] +++ exited with 0 +++ [pid 6852] <... futex resumed>) = ? [pid 6854] <... chdir resumed>) = 0 [pid 6852] +++ exited with 0 +++ [pid 6851] +++ exited with 0 +++ [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6851, si_uid=0, si_status=0, si_utime=9 /* 0.09 s */, si_stime=27 /* 0.27 s */} --- [pid 5866] umount2("./73", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6854] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6854] <... futex resumed>) = 1 [pid 6853] <... futex resumed>) = 0 [pid 5866] openat(AT_FDCWD, "./73", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6854] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6853] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] <... openat resumed>) = 3 [pid 6853] <... futex resumed>) = 0 [pid 5866] newfstatat(3, "", [pid 6853] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5866] umount2("./73/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./73/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] unlink("./73/binderfs") = 0 [ 254.936167][ T5863] [ 254.936167][ T5863] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 254.936167][ T5863] [ 254.964850][ T5863] [ 254.964850][ T5863] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 254.964850][ T5863] [pid 5866] umount2("./73/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6856] <... write resumed>) = 16777216 [pid 6858] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6854] <... open resumed>) = -1 EIO (Input/output error) [pid 6854] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6853] <... futex resumed>) = 0 [pid 6853] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6854] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x3) [pid 6853] <... futex resumed>) = 0 [pid 6853] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 254.989432][ T6854] read_mapping_page failed! [ 254.996354][ T6854] ERROR: (device loop1): txCommit: [ 254.996354][ T6854] [ 255.005849][ T5866] [ 255.005849][ T5866] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 255.005849][ T5866] [ 255.018626][ T6854] read_mapping_page failed! [ 255.030168][ T5866] [ 255.030168][ T5866] ... Log Wrap ... Log Wrap ... Log Wrap ... [pid 6856] munmap(0x7f46d1a00000, 138412032 [pid 5863] <... umount2 resumed>) = 0 [pid 5863] umount2("./73/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] newfstatat(AT_FDCWD, "./73/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5863] umount2("./73/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] openat(AT_FDCWD, "./73/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5863] newfstatat(4, "", [pid 6853] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5863] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6853] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] getdents64(4, [pid 6853] <... futex resumed>) = 0 [pid 6853] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5863] <... getdents64 resumed>0x555566df1770 /* 2 entries */, 32768) = 48 [pid 6853] <... mmap resumed>) = 0x7f46d9f00000 [pid 5863] getdents64(4, [pid 6853] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE [pid 5863] <... getdents64 resumed>0x555566df1770 /* 0 entries */, 32768) = 0 [pid 6853] <... mprotect resumed>) = 0 [pid 5863] close(4 [pid 6853] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5863] <... close resumed>) = 0 [pid 6853] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5863] rmdir("./73/bus" [pid 6853] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0} [pid 6854] <... mknod resumed>) = -1 EIO (Input/output error) [pid 5863] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 6860 attached [pid 5863] getdents64(3, [pid 6860] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053 [pid 6853] <... clone3 resumed> => {parent_tid=[6860]}, 88) = 6860 [pid 6860] <... rseq resumed>) = 0 [pid 5863] <... getdents64 resumed>0x555566de9730 /* 0 entries */, 32768) = 0 [pid 6853] rt_sigprocmask(SIG_SETMASK, [], [pid 6860] set_robust_list(0x7f46d9f209a0, 24 [pid 6853] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5863] close(3 [pid 6860] <... set_robust_list resumed>) = 0 [pid 6853] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6860] rt_sigprocmask(SIG_SETMASK, [], [pid 6854] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6853] <... futex resumed>) = 0 [pid 5863] <... close resumed>) = 0 [pid 6860] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6854] <... futex resumed>) = 0 [pid 6853] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5863] rmdir("./73" [pid 6860] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6854] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6856] <... munmap resumed>) = 0 [pid 6856] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [ 255.030168][ T5866] [ 255.041206][ T6854] ERROR: (device loop1): txCommit: [ 255.041206][ T6854] [ 255.079825][ T6860] read_mapping_page failed! [pid 6856] ioctl(4, LOOP_SET_FD, 3 [pid 5863] <... rmdir resumed>) = 0 [pid 5863] mkdir("./74", 0777 [pid 6860] <... openat resumed>) = -1 EIO (Input/output error) [pid 5863] <... mkdir resumed>) = 0 [pid 6860] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6860] <... futex resumed>) = 1 [pid 6856] <... ioctl resumed>) = 0 [pid 6853] <... futex resumed>) = 0 [pid 5863] <... openat resumed>) = 3 [pid 6860] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6853] exit_group(0 [pid 6860] <... futex resumed>) = ? [pid 6856] close(3 [pid 6854] <... futex resumed>) = ? [pid 6853] <... exit_group resumed>) = ? [pid 5863] ioctl(3, LOOP_CLR_FD [pid 6856] <... close resumed>) = 0 [pid 6854] +++ exited with 0 +++ [pid 6856] close(4) = 0 [pid 6856] mkdir("./bus", 0777) = 0 [pid 6860] +++ exited with 0 +++ [pid 6853] +++ exited with 0 +++ [pid 5864] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6853, si_uid=0, si_status=0, si_utime=9 /* 0.09 s */, si_stime=27 /* 0.27 s */} --- [pid 5864] restart_syscall(<... resuming interrupted clone ...> [pid 5863] <... ioctl resumed>) = 0 [pid 6856] mount("/dev/loop2", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 5864] <... restart_syscall resumed>) = 0 [pid 5863] close(3 [pid 5864] umount2("./73", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] openat(AT_FDCWD, "./73", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5864] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5864] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5864] umount2("./73/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] newfstatat(AT_FDCWD, "./73/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5864] unlink("./73/binderfs") = 0 [pid 5864] umount2("./73/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5866] <... umount2 resumed>) = 0 [ 255.082736][ T6856] loop2: detected capacity change from 0 to 32768 [ 255.093065][ T6860] ERROR: (device loop1): txCommit: [ 255.093065][ T6860] [pid 5866] umount2("./73/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./73/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] umount2("./73/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] openat(AT_FDCWD, "./73/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5866] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5866] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5866] close(4) = 0 [ 255.147694][ T5864] [ 255.147694][ T5864] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 255.147694][ T5864] [ 255.168010][ T6856] [ 255.168010][ T6856] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 255.168010][ T6856] [ 255.192504][ T5864] [pid 5866] rmdir("./73/bus") = 0 [pid 5866] getdents64(3, [pid 6856] <... mount resumed>) = 0 [pid 6856] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6856] chdir("./bus") = 0 [pid 6856] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5866] <... getdents64 resumed>0x555566de9730 /* 0 entries */, 32768) = 0 [pid 6856] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5866] close(3 [pid 6856] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6855] <... futex resumed>) = 0 [pid 5866] <... close resumed>) = 0 [pid 6855] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6856] chdir("./file0" [pid 6855] <... futex resumed>) = 0 [pid 5866] rmdir("./73" [pid 6855] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6856] <... chdir resumed>) = 0 [pid 5866] <... rmdir resumed>) = 0 [pid 6856] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6855] <... futex resumed>) = 0 [pid 6856] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6855] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6856] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6855] <... futex resumed>) = 0 [ 255.192504][ T5864] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 255.192504][ T5864] [pid 6856] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6855] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] mkdir("./74", 0777) = 0 [pid 5866] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5866] ioctl(3, LOOP_CLR_FD) = 0 [pid 5866] close(3 [pid 6855] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6855] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 255.225972][ T6856] read_mapping_page failed! [ 255.230531][ T6856] ERROR: (device loop2): txCommit: [ 255.230531][ T6856] [pid 6855] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5864] <... umount2 resumed>) = 0 [pid 6856] <... open resumed>) = -1 EIO (Input/output error) [pid 6855] <... mmap resumed>) = 0x7f46d9f00000 [pid 5864] umount2("./73/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6856] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6856] <... futex resumed>) = 0 [pid 5864] newfstatat(AT_FDCWD, "./73/bus", [pid 6856] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5864] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5864] umount2("./73/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] openat(AT_FDCWD, "./73/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5864] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5864] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5864] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5864] close(4) = 0 [pid 5864] rmdir("./73/bus") = 0 [pid 5864] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5864] close(3) = 0 [pid 5864] rmdir("./73") = 0 [pid 5864] mkdir("./74", 0777 [pid 6855] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE [pid 5864] <... mkdir resumed>) = 0 [pid 5864] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5864] ioctl(3, LOOP_CLR_FD [pid 6855] <... mprotect resumed>) = 0 [pid 5864] <... ioctl resumed>) = 0 [pid 5864] close(3 [pid 6855] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6855] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0}./strace-static-x86_64: Process 6861 attached => {parent_tid=[6861]}, 88) = 6861 [pid 6861] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053) = 0 [pid 6861] set_robust_list(0x7f46d9f209a0, 24) = 0 [pid 6855] rt_sigprocmask(SIG_SETMASK, [], [pid 6861] rt_sigprocmask(SIG_SETMASK, [], [pid 6855] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6861] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6855] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6861] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x5) [pid 6855] <... futex resumed>) = 0 [pid 6855] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6861] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6861] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6861] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6855] <... futex resumed>) = 0 [pid 6855] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 255.318878][ T6861] read_mapping_page failed! [ 255.333037][ T6861] ERROR: (device loop2): txCommit: [ 255.333037][ T6861] [pid 6855] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6856] <... futex resumed>) = 0 [pid 6856] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6858] <... write resumed>) = 16777216 [pid 6858] munmap(0x7f46d1a00000, 138412032 [pid 6855] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6856] <... openat resumed>) = -1 EIO (Input/output error) [ 255.375605][ T6856] read_mapping_page failed! [ 255.380175][ T6856] ERROR: (device loop2): txCommit: [ 255.380175][ T6856] [pid 6856] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6855] exit_group(0 [pid 6856] ???( [pid 6855] <... exit_group resumed>) = ? [pid 6856] <... ??? resumed>) = ? [pid 6861] <... futex resumed>) = ? [pid 6856] +++ exited with 0 +++ [pid 6861] +++ exited with 0 +++ [pid 6855] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6855, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=26 /* 0.26 s */} --- [pid 5865] restart_syscall(<... resuming interrupted clone ...> [pid 5863] <... close resumed>) = 0 [pid 5863] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6862 attached [pid 6858] <... munmap resumed>) = 0 [pid 5865] <... restart_syscall resumed>) = 0 [pid 6862] set_robust_list(0x555566de86a0, 24 [pid 5863] <... clone resumed>, child_tidptr=0x555566de8690) = 6862 [pid 6862] <... set_robust_list resumed>) = 0 [pid 6862] chdir("./74" [pid 5865] umount2("./74", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6862] <... chdir resumed>) = 0 [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6862] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5865] openat(AT_FDCWD, "./74", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6862] <... prctl resumed>) = 0 [pid 6858] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5865] <... openat resumed>) = 3 [pid 6862] setpgid(0, 0 [pid 6858] <... openat resumed>) = 4 [pid 5865] newfstatat(3, "", [pid 6862] <... setpgid resumed>) = 0 [pid 5865] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6862] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5865] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 6862] <... openat resumed>) = 3 [pid 5865] umount2("./74/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6862] write(3, "1000", 4 [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6862] <... write resumed>) = 4 [pid 5865] newfstatat(AT_FDCWD, "./74/binderfs", [pid 6862] close(3 [pid 5865] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6862] <... close resumed>) = 0 [pid 5865] unlink("./74/binderfs" [pid 6862] symlink("/dev/binderfs", "./binderfs" [pid 6858] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6858] close(3) = 0 [pid 6858] close(4) = 0 [pid 6858] mkdir("./bus", 0777 [pid 6862] <... symlink resumed>) = 0 [pid 5865] <... unlink resumed>) = 0 [pid 6862] write(1, "executing program\n", 18 [pid 5865] umount2("./74/bus", MNT_FORCE|UMOUNT_NOFOLLOWexecuting program [pid 6862] <... write resumed>) = 18 [pid 6862] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6858] <... mkdir resumed>) = 0 [pid 6862] <... futex resumed>) = 0 [pid 6862] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, [ 255.485986][ T6858] loop4: detected capacity change from 0 to 32768 [ 255.519035][ T5865] [ 255.519035][ T5865] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 255.519035][ T5865] [ 255.530659][ T6858] [pid 6858] mount("/dev/loop4", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6862] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6862] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6862] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5866] <... close resumed>) = 0 [pid 6862] <... mmap resumed>) = 0x7f46d9f21000 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6862] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6862] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6862] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0}./strace-static-x86_64: Process 6863 attached ./strace-static-x86_64: Process 6864 attached [ 255.530659][ T6858] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 255.530659][ T6858] [pid 6863] set_robust_list(0x555566de86a0, 24 [pid 5866] <... clone resumed>, child_tidptr=0x555566de8690) = 6863 [pid 6864] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053) = 0 [pid 6864] set_robust_list(0x7f46d9f419a0, 24) = 0 [pid 6864] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6864] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6862] <... clone3 resumed> => {parent_tid=[6864]}, 88) = 6864 [pid 6862] rt_sigprocmask(SIG_SETMASK, [], [pid 6863] <... set_robust_list resumed>) = 0 [pid 6862] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6862] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6858] <... mount resumed>) = 0 [pid 6862] <... futex resumed>) = 1 [pid 6864] <... futex resumed>) = 0 [pid 6864] memfd_create("syzkaller", 0 [pid 6863] chdir("./74" [pid 6862] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6858] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6858] chdir("./bus") = 0 [pid 6858] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6858] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6864] <... memfd_create resumed>) = 3 [pid 6858] <... futex resumed>) = 1 [pid 6857] <... futex resumed>) = 0 [pid 6857] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6864] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6858] chdir("./file0" [pid 6857] <... futex resumed>) = 0 [pid 6864] <... mmap resumed>) = 0x7f46d1a00000 [pid 6863] <... chdir resumed>) = 0 [pid 6857] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6863] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6858] <... chdir resumed>) = 0 [pid 6863] setpgid(0, 0) = 0 [pid 6858] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6863] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6858] <... futex resumed>) = 1 [pid 6857] <... futex resumed>) = 0 [pid 6863] <... openat resumed>) = 3 [pid 6863] write(3, "1000", 4 [pid 6858] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6857] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6863] <... write resumed>) = 4 [pid 6863] close(3 [pid 6857] <... futex resumed>) = 0 [pid 6863] <... close resumed>) = 0 [pid 6857] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6863] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6863] write(1, "executing program\n", 18executing program ) = 18 [pid 5865] <... umount2 resumed>) = 0 [pid 6863] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] umount2("./74/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6863] <... futex resumed>) = 0 [pid 6863] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6863] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5865] newfstatat(AT_FDCWD, "./74/bus", [pid 6863] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5865] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6863] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5865] umount2("./74/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6863] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5865] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6863] <... mmap resumed>) = 0x7f46d9f21000 [pid 5865] openat(AT_FDCWD, "./74/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5864] <... close resumed>) = 0 [pid 6863] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5865] <... openat resumed>) = 4 [pid 6863] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5865] newfstatat(4, "", [pid 6863] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} [pid 5865] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5865] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5865] close(4) = 0 [pid 5865] rmdir("./74/bus"./strace-static-x86_64: Process 6865 attached [ 255.559085][ T5865] [ 255.559085][ T5865] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 255.559085][ T5865] [ 255.594594][ T6858] read_mapping_page failed! [ 255.599182][ T6858] ERROR: (device loop4): txCommit: [ 255.599182][ T6858] ) = 0 [pid 5864] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6866 attached , child_tidptr=0x555566de8690) = 6866 [pid 6866] set_robust_list(0x555566de86a0, 24) = 0 [pid 6866] chdir("./74") = 0 [pid 6866] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6866] setpgid(0, 0 [pid 6857] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6866] <... setpgid resumed>) = 0 [pid 6857] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6866] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6857] <... futex resumed>) = 0 [pid 6857] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f00000 [pid 6866] <... openat resumed>) = 3 [pid 6857] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6857] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6866] write(3, "1000", 4 [pid 6857] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6866] <... write resumed>) = 4 [pid 6857] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0} [pid 6866] close(3) = 0 [pid 6857] <... clone3 resumed> => {parent_tid=[6867]}, 88) = 6867 [pid 6866] symlink("/dev/binderfs", "./binderfs"executing program [pid 6857] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6867 attached [pid 6865] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6863] <... clone3 resumed> => {parent_tid=[6865]}, 88) = 6865 [pid 6858] <... open resumed>) = -1 EIO (Input/output error) [pid 6857] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5865] getdents64(3, [pid 6866] <... symlink resumed>) = 0 [pid 6858] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6866] write(1, "executing program\n", 18 [pid 6858] <... futex resumed>) = 0 [pid 6857] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] <... getdents64 resumed>0x555566de9730 /* 0 entries */, 32768) = 0 [pid 6867] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053 [pid 6866] <... write resumed>) = 18 [pid 6865] <... rseq resumed>) = 0 [pid 6863] rt_sigprocmask(SIG_SETMASK, [], [pid 6858] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6867] <... rseq resumed>) = 0 [pid 6865] set_robust_list(0x7f46d9f419a0, 24 [pid 6863] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6857] <... futex resumed>) = 0 [pid 5865] close(3 [pid 6867] set_robust_list(0x7f46d9f209a0, 24 [pid 6865] <... set_robust_list resumed>) = 0 [pid 6863] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6857] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5865] <... close resumed>) = 0 [pid 6867] <... set_robust_list resumed>) = 0 [pid 6865] rt_sigprocmask(SIG_SETMASK, [], [pid 6863] <... futex resumed>) = 0 [pid 5865] rmdir("./74" [pid 6867] rt_sigprocmask(SIG_SETMASK, [], [pid 6866] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6865] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6863] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6866] <... futex resumed>) = 0 [pid 6866] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 5865] <... rmdir resumed>) = 0 [pid 6866] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6867] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6866] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6865] memfd_create("syzkaller", 0 [pid 5865] mkdir("./75", 0777 [pid 6866] <... mmap resumed>) = 0x7f46d9f21000 [pid 6866] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6866] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6866] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0}./strace-static-x86_64: Process 6868 attached [pid 6867] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x9) [pid 6866] <... clone3 resumed> => {parent_tid=[6868]}, 88) = 6868 [pid 6865] <... memfd_create resumed>) = 3 [pid 5865] <... mkdir resumed>) = 0 [pid 6868] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6866] rt_sigprocmask(SIG_SETMASK, [], [pid 6868] <... rseq resumed>) = 0 [pid 6866] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6868] set_robust_list(0x7f46d9f419a0, 24 [pid 6866] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6868] <... set_robust_list resumed>) = 0 [pid 6866] <... futex resumed>) = 0 [pid 6868] rt_sigprocmask(SIG_SETMASK, [], [pid 6866] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6868] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6868] memfd_create("syzkaller", 0) = 3 [pid 6868] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 6865] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5865] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 6865] <... mmap resumed>) = 0x7f46d1a00000 [pid 5865] ioctl(3, LOOP_CLR_FD) = 0 [pid 5865] close(3 [pid 6857] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6857] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6858] <... futex resumed>) = 0 [pid 6857] <... futex resumed>) = 1 [pid 6858] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6857] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6867] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6867] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 255.666414][ T6867] read_mapping_page failed! [ 255.671090][ T6867] ERROR: (device loop4): txCommit: [ 255.671090][ T6867] [ 255.726586][ T6858] read_mapping_page failed! [pid 6867] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6857] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6858] <... openat resumed>) = -1 EIO (Input/output error) [pid 6858] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6857] exit_group(0 [pid 6867] <... futex resumed>) = ? [pid 6857] <... exit_group resumed>) = ? [pid 6867] +++ exited with 0 +++ [pid 6858] +++ exited with 0 +++ [pid 6857] +++ exited with 0 +++ [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6857, si_uid=0, si_status=0, si_utime=9 /* 0.09 s */, si_stime=27 /* 0.27 s */} --- [ 255.751246][ T6858] ERROR: (device loop4): txCommit: [ 255.751246][ T6858] [pid 5867] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5867] umount2("./74", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./74", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5867] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5867] umount2("./74/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./74/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] unlink("./74/binderfs") = 0 [ 255.833751][ T5867] [ 255.833751][ T5867] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 255.833751][ T5867] [ 255.863514][ T5867] [ 255.863514][ T5867] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 255.863514][ T5867] [pid 5867] umount2("./74/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6864] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5867] <... umount2 resumed>) = 0 [pid 5865] <... close resumed>) = 0 [pid 5867] umount2("./74/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./74/bus", [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5867] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] umount2("./74/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5865] <... clone resumed>, child_tidptr=0x555566de8690) = 6869 [pid 5867] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./74/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 6869 attached ) = 4 [pid 6869] set_robust_list(0x555566de86a0, 24 [pid 5867] newfstatat(4, "", [pid 6869] <... set_robust_list resumed>) = 0 [pid 6869] chdir("./75" [pid 5867] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6869] <... chdir resumed>) = 0 [pid 6869] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5867] getdents64(4, [pid 6869] <... prctl resumed>) = 0 [pid 6869] setpgid(0, 0) = 0 [pid 5867] <... getdents64 resumed>0x555566df1770 /* 2 entries */, 32768) = 48 [pid 6869] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5867] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 6869] write(3, "1000", 4) = 4 [pid 5867] close(4 [pid 6869] close(3) = 0 [pid 6869] symlink("/dev/binderfs", "./binderfs" [pid 5867] <... close resumed>) = 0 [pid 6869] <... symlink resumed>) = 0 executing program [pid 5867] rmdir("./74/bus" [pid 6869] write(1, "executing program\n", 18) = 18 [pid 6869] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6869] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6869] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6869] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6869] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6869] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6869] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0}./strace-static-x86_64: Process 6870 attached [pid 5867] <... rmdir resumed>) = 0 [pid 5867] getdents64(3, [pid 6870] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6869] <... clone3 resumed> => {parent_tid=[6870]}, 88) = 6870 [pid 6869] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6870] <... rseq resumed>) = 0 [pid 6869] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6870] set_robust_list(0x7f46d9f419a0, 24 [pid 6869] <... futex resumed>) = 0 [pid 6870] <... set_robust_list resumed>) = 0 [pid 6869] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6870] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6870] memfd_create("syzkaller", 0) = 3 [pid 6870] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 6868] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5867] <... getdents64 resumed>0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5867] close(3 [pid 6865] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5867] <... close resumed>) = 0 [pid 5867] rmdir("./74") = 0 [pid 5867] mkdir("./75", 0777) = 0 [pid 5867] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5867] ioctl(3, LOOP_CLR_FD) = 0 [pid 5867] close(3 [pid 6864] <... write resumed>) = 16777216 [pid 6864] munmap(0x7f46d1a00000, 138412032 [pid 6870] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5867] <... close resumed>) = 0 [pid 6864] <... munmap resumed>) = 0 [pid 6864] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6864] <... openat resumed>) = 4 ./strace-static-x86_64: Process 6871 attached [pid 6864] ioctl(4, LOOP_SET_FD, 3 [pid 5867] <... clone resumed>, child_tidptr=0x555566de8690) = 6871 [pid 6871] set_robust_list(0x555566de86a0, 24 [pid 6864] <... ioctl resumed>) = 0 [pid 6871] <... set_robust_list resumed>) = 0 [pid 6871] chdir("./75" [pid 6864] close(3 [pid 6871] <... chdir resumed>) = 0 [pid 6864] <... close resumed>) = 0 [pid 6871] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6864] close(4 [pid 6871] <... prctl resumed>) = 0 [pid 6864] <... close resumed>) = 0 [pid 6864] mkdir("./bus", 0777 [pid 6871] setpgid(0, 0 [pid 6864] <... mkdir resumed>) = 0 [pid 6871] <... setpgid resumed>) = 0 [pid 6871] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6864] mount("/dev/loop0", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6871] <... openat resumed>) = 3 [pid 6871] write(3, "1000", 4) = 4 [pid 6871] close(3) = 0 [pid 6871] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6871] write(1, "executing program\n", 18) = 18 [pid 6871] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6871] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6871] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6871] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6871] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6871] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6871] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} [pid 6865] <... write resumed>) = 16777216 [pid 6865] munmap(0x7f46d1a00000, 138412032./strace-static-x86_64: Process 6872 attached [pid 6868] <... write resumed>) = 16777216 [pid 6865] <... munmap resumed>) = 0 [pid 6871] <... clone3 resumed> => {parent_tid=[6872]}, 88) = 6872 [pid 6871] rt_sigprocmask(SIG_SETMASK, [], [pid 6872] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6871] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6865] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6872] <... rseq resumed>) = 0 [ 256.366310][ T6864] loop0: detected capacity change from 0 to 32768 [ 256.404641][ T6864] [ 256.404641][ T6864] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 256.404641][ T6864] [pid 6872] set_robust_list(0x7f46d9f419a0, 24 [pid 6871] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6865] <... openat resumed>) = 4 [pid 6872] <... set_robust_list resumed>) = 0 [pid 6865] ioctl(4, LOOP_SET_FD, 3 [pid 6872] rt_sigprocmask(SIG_SETMASK, [], [pid 6871] <... futex resumed>) = 0 [pid 6871] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6868] munmap(0x7f46d1a00000, 138412032 [pid 6872] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6872] memfd_create("syzkaller", 0 [pid 6864] <... mount resumed>) = 0 [pid 6864] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6872] <... memfd_create resumed>) = 3 [pid 6864] <... openat resumed>) = 3 [pid 6872] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6864] chdir("./bus") = 0 [pid 6872] <... mmap resumed>) = 0x7f46d1a00000 [pid 6864] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6864] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6862] <... futex resumed>) = 0 [pid 6862] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6862] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6864] <... futex resumed>) = 1 [pid 6864] chdir("./file0") = 0 [pid 6864] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6862] <... futex resumed>) = 0 [pid 6862] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6862] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6864] <... futex resumed>) = 1 [pid 6868] <... munmap resumed>) = 0 [pid 6865] <... ioctl resumed>) = 0 [pid 6864] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6865] close(3) = 0 [ 256.433834][ T6865] loop3: detected capacity change from 0 to 32768 [pid 6865] close(4) = 0 [pid 6865] mkdir("./bus", 0777 [pid 6868] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 6868] ioctl(4, LOOP_SET_FD, 3 [pid 6865] <... mkdir resumed>) = 0 [pid 6865] mount("/dev/loop3", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6862] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6862] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6862] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f00000 [pid 6862] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6862] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6862] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0} => {parent_tid=[6873]}, 88) = 6873 [pid 6862] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6862] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6862] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6873 attached [pid 6873] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053) = 0 [ 256.482310][ T6864] read_mapping_page failed! [ 256.489773][ T6868] loop1: detected capacity change from 0 to 32768 [ 256.498376][ T6864] ERROR: (device loop0): txCommit: [ 256.498376][ T6864] [pid 6873] set_robust_list(0x7f46d9f209a0, 24 [pid 6868] <... ioctl resumed>) = 0 [pid 6868] close(3) = 0 [pid 6868] close(4) = 0 [pid 6868] mkdir("./bus", 0777) = 0 [pid 6873] <... set_robust_list resumed>) = 0 [pid 6868] mount("/dev/loop1", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6864] <... open resumed>) = -1 EIO (Input/output error) [pid 6864] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6864] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6868] <... mount resumed>) = 0 [pid 6868] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6868] chdir("./bus") = 0 [pid 6873] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6868] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6873] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x1) [pid 6868] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6868] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6868] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6862] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6862] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 6862] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 6862] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 6862] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6864] <... futex resumed>) = 0 [pid 6862] <... futex resumed>) = 1 [pid 6864] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6862] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6866] <... futex resumed>) = 0 [pid 6866] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6868] <... futex resumed>) = 0 [pid 6866] <... futex resumed>) = 1 [pid 6868] chdir("./file0" [pid 6866] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6873] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6868] <... chdir resumed>) = 0 [pid 6873] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6868] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6866] <... futex resumed>) = 0 [pid 6873] <... futex resumed>) = 0 [pid 6868] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [ 256.532552][ T6865] [ 256.532552][ T6865] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 256.532552][ T6865] [ 256.543029][ T6868] [ 256.543029][ T6868] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 256.543029][ T6868] [ 256.564967][ T6873] read_mapping_page failed! [ 256.569521][ T6873] ERROR: (device loop0): txCommit: [ 256.569521][ T6873] [pid 6866] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6873] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6866] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6865] <... mount resumed>) = 0 [pid 6865] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6865] chdir("./bus") = 0 [pid 6865] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6865] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6865] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6863] <... futex resumed>) = 0 [pid 6862] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6863] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6865] <... futex resumed>) = 0 [pid 6863] <... futex resumed>) = 1 [pid 6865] chdir("./file0" [pid 6863] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6865] <... chdir resumed>) = 0 [pid 6865] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6868] <... open resumed>) = -1 EIO (Input/output error) [pid 6865] <... futex resumed>) = 1 [pid 6863] <... futex resumed>) = 0 [pid 6866] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6865] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6863] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6868] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6866] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6865] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6863] <... futex resumed>) = 0 [pid 6868] <... futex resumed>) = 0 [pid 6866] <... futex resumed>) = 0 [ 256.585271][ T6868] read_mapping_page failed! [ 256.599247][ T6868] ERROR: (device loop1): txCommit: [ 256.599247][ T6868] [ 256.608631][ T6864] read_mapping_page failed! [ 256.621786][ T6864] ERROR: (device loop0): txCommit: [ 256.621786][ T6864] [pid 6865] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6863] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6868] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6866] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6864] <... openat resumed>) = -1 EIO (Input/output error) [pid 6866] <... mmap resumed>) = 0x7f46d9f00000 [pid 6864] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6866] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE [pid 6864] <... futex resumed>) = 0 [pid 6866] <... mprotect resumed>) = 0 [pid 6864] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6862] exit_group(0 [pid 6866] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6864] <... futex resumed>) = ? [pid 6862] <... exit_group resumed>) = ? [pid 6866] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6864] +++ exited with 0 +++ [pid 6873] <... futex resumed>) = ? [pid 6866] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0}./strace-static-x86_64: Process 6874 attached [pid 6873] +++ exited with 0 +++ [pid 6862] +++ exited with 0 +++ [pid 6866] <... clone3 resumed> => {parent_tid=[6874]}, 88) = 6874 [pid 6866] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5863] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6862, si_uid=0, si_status=0, si_utime=12 /* 0.12 s */, si_stime=28 /* 0.28 s */} --- [pid 6874] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053 [pid 6866] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] umount2("./74", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6874] <... rseq resumed>) = 0 [pid 6866] <... futex resumed>) = 0 [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6874] set_robust_list(0x7f46d9f209a0, 24 [pid 6866] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5863] openat(AT_FDCWD, "./74", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5863] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6874] <... set_robust_list resumed>) = 0 [pid 6874] rt_sigprocmask(SIG_SETMASK, [], [pid 5863] getdents64(3, [pid 6874] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5863] <... getdents64 resumed>0x555566de9730 /* 4 entries */, 32768) = 104 [pid 6874] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x3) [pid 6863] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5863] umount2("./74/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [ 256.647434][ T6865] read_mapping_page failed! [ 256.652010][ T6865] ERROR: (device loop3): txCommit: [ 256.652010][ T6865] [pid 6863] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6863] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6865] <... open resumed>) = -1 EIO (Input/output error) [pid 6865] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6863] <... mmap resumed>) = 0x7f46d9f00000 [pid 5863] newfstatat(AT_FDCWD, "./74/binderfs", [pid 6865] <... futex resumed>) = 0 [pid 6863] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE [pid 5863] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6865] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6863] <... mprotect resumed>) = 0 [pid 5863] unlink("./74/binderfs") = 0 [pid 6863] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5863] umount2("./74/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6863] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6863] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0}./strace-static-x86_64: Process 6875 attached => {parent_tid=[6875]}, 88) = 6875 [pid 6863] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6863] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6875] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053) = 0 [pid 6875] set_robust_list(0x7f46d9f209a0, 24) = 0 [pid 6875] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [ 256.700431][ T6874] read_mapping_page failed! [ 256.715174][ T6874] ERROR: (device loop1): txCommit: [ 256.715174][ T6874] [ 256.739151][ T6875] read_mapping_page failed! [ 256.739363][ T5863] [pid 6875] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x7) [pid 6874] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6870] <... write resumed>) = 16777216 [pid 6866] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6863] <... futex resumed>) = 0 [pid 6874] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6870] munmap(0x7f46d1a00000, 138412032 [pid 6866] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6863] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6866] <... futex resumed>) = 1 [pid 6866] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6874] <... futex resumed>) = 0 [pid 6868] <... futex resumed>) = 0 [pid 6874] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6868] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6875] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6875] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6863] <... futex resumed>) = 0 [pid 6863] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6863] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6875] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6865] <... futex resumed>) = 0 [pid 6865] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6870] <... munmap resumed>) = 0 [ 256.739363][ T5863] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 256.739363][ T5863] [ 256.753038][ T6875] ERROR: (device loop3): txCommit: [ 256.753038][ T6875] [ 256.761318][ T5863] [ 256.761318][ T5863] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 256.761318][ T5863] [ 256.785136][ T6868] read_mapping_page failed! [ 256.789701][ T6868] ERROR: (device loop1): txCommit: [ 256.789701][ T6868] [pid 6870] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6868] <... openat resumed>) = -1 EIO (Input/output error) [pid 6870] <... openat resumed>) = 4 [pid 6868] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6870] ioctl(4, LOOP_SET_FD, 3 [pid 6868] <... futex resumed>) = 1 [pid 6866] <... futex resumed>) = 0 [pid 6866] exit_group(0 [pid 6874] <... futex resumed>) = ? [pid 6866] <... exit_group resumed>) = ? [pid 6874] +++ exited with 0 +++ [pid 6868] +++ exited with 0 +++ [pid 6866] +++ exited with 0 +++ [pid 5864] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6866, si_uid=0, si_status=0, si_utime=9 /* 0.09 s */, si_stime=27 /* 0.27 s */} --- [pid 5864] restart_syscall(<... resuming interrupted clone ...> [pid 6863] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6870] <... ioctl resumed>) = 0 [pid 6863] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 5863] <... umount2 resumed>) = 0 [pid 6863] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6870] close(3 [pid 5864] <... restart_syscall resumed>) = 0 [pid 6870] <... close resumed>) = 0 [pid 6870] close(4) = 0 [pid 6870] mkdir("./bus", 0777 [pid 5864] umount2("./74", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] openat(AT_FDCWD, "./74", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6870] <... mkdir resumed>) = 0 [pid 5864] <... openat resumed>) = 3 [pid 5863] umount2("./74/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5864] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5864] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [ 256.804085][ T6865] read_mapping_page failed! [ 256.811288][ T6870] loop2: detected capacity change from 0 to 32768 [ 256.811783][ T6865] ERROR: (device loop3): txCommit: [ 256.811783][ T6865] [pid 5864] umount2("./74/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6870] mount("/dev/loop2", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 5864] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5864] newfstatat(AT_FDCWD, "./74/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5864] unlink("./74/binderfs") = 0 [pid 5863] newfstatat(AT_FDCWD, "./74/bus", [pid 5864] umount2("./74/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5863] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6865] <... openat resumed>) = -1 EIO (Input/output error) [pid 6865] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6863] exit_group(0 [pid 6875] <... futex resumed>) = ? [pid 6863] <... exit_group resumed>) = ? [pid 6875] +++ exited with 0 +++ [pid 6865] +++ exited with 0 +++ [pid 6863] +++ exited with 0 +++ [pid 5863] umount2("./74/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6863, si_uid=0, si_status=0, si_utime=10 /* 0.10 s */, si_stime=24 /* 0.24 s */} --- [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5863] openat(AT_FDCWD, "./74/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6872] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5866] umount2("./74", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5863] <... openat resumed>) = 4 [pid 6870] <... mount resumed>) = 0 [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5863] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6870] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 5863] getdents64(4, [pid 6870] <... openat resumed>) = 3 [pid 5863] <... getdents64 resumed>0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5863] getdents64(4, [pid 6870] chdir("./bus" [ 256.866940][ T5864] [ 256.866940][ T5864] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 256.866940][ T5864] [ 256.878708][ T6870] [ 256.878708][ T6870] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 256.878708][ T6870] [ 256.883237][ T5864] [ 256.883237][ T5864] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 256.883237][ T5864] [pid 5866] openat(AT_FDCWD, "./74", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5863] <... getdents64 resumed>0x555566df1770 /* 0 entries */, 32768) = 0 [pid 6870] <... chdir resumed>) = 0 [pid 6870] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5863] close(4 [pid 5866] newfstatat(3, "", [pid 6870] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5866] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5863] <... close resumed>) = 0 [pid 5866] getdents64(3, [pid 5863] rmdir("./74/bus" [pid 6870] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] <... getdents64 resumed>0x555566de9730 /* 4 entries */, 32768) = 104 [pid 6870] <... futex resumed>) = 1 [pid 6869] <... futex resumed>) = 0 [pid 5863] <... rmdir resumed>) = 0 [pid 6870] chdir("./file0" [pid 6869] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] umount2("./74/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5863] getdents64(3, [pid 6869] <... futex resumed>) = 0 [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6869] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] newfstatat(AT_FDCWD, "./74/binderfs", [pid 5863] <... getdents64 resumed>0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5863] close(3 [pid 5866] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5863] <... close resumed>) = 0 [pid 5866] unlink("./74/binderfs") = 0 [pid 6870] <... chdir resumed>) = 0 [pid 6870] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] umount2("./74/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5863] rmdir("./74" [pid 6870] <... futex resumed>) = 1 [pid 6869] <... futex resumed>) = 0 [pid 6869] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6869] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5863] <... rmdir resumed>) = 0 [pid 6870] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 5864] <... umount2 resumed>) = 0 [pid 5864] umount2("./74/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] newfstatat(AT_FDCWD, "./74/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5864] umount2("./74/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] openat(AT_FDCWD, "./74/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5864] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5864] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5864] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5864] close(4) = 0 [pid 5864] rmdir("./74/bus") = 0 [pid 5864] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5864] close(3) = 0 [pid 5864] rmdir("./74") = 0 [pid 5864] mkdir("./75", 0777) = 0 [pid 5864] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5863] mkdir("./75", 0777 [pid 5864] ioctl(3, LOOP_CLR_FD [pid 5863] <... mkdir resumed>) = 0 [pid 5864] <... ioctl resumed>) = 0 [pid 5863] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5864] close(3) = 0 [pid 5864] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6870] <... open resumed>) = -1 EIO (Input/output error) [pid 5863] <... openat resumed>) = 3 [pid 6870] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] ioctl(3, LOOP_CLR_FD) = 0 [pid 6870] <... futex resumed>) = 1 [pid 6869] <... futex resumed>) = 0 [pid 5863] close(3 [pid 5864] <... clone resumed>, child_tidptr=0x555566de8690) = 6876 [pid 6869] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6876 attached [pid 6876] set_robust_list(0x555566de86a0, 24 [pid 6869] <... futex resumed>) = 0 [pid 6876] <... set_robust_list resumed>) = 0 [pid 6876] chdir("./75") = 0 [pid 6876] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6869] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 256.924424][ T6870] read_mapping_page failed! [ 256.928995][ T6870] ERROR: (device loop2): txCommit: [ 256.928995][ T6870] [ 256.939099][ T5866] [ 256.939099][ T5866] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 256.939099][ T5866] [pid 6870] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x5)executing program [pid 6876] <... prctl resumed>) = 0 [pid 6876] setpgid(0, 0) = 0 [pid 6876] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6876] write(3, "1000", 4) = 4 [pid 6876] close(3) = 0 [pid 6876] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6876] write(1, "executing program\n", 18) = 18 [pid 6876] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6876] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6876] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6876] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6876] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6876] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6876] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} => {parent_tid=[6877]}, 88) = 6877 [pid 6876] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6876] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6876] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 6877 attached [pid 6877] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053) = 0 [pid 6877] set_robust_list(0x7f46d9f419a0, 24) = 0 [pid 6877] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6877] memfd_create("syzkaller", 0) = 3 [pid 6877] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 6869] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6869] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 256.984923][ T6870] read_mapping_page failed! [ 256.985874][ T5866] [ 256.985874][ T5866] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 256.985874][ T5866] [ 256.989550][ T6870] ERROR: (device loop2): txCommit: [ 256.989550][ T6870] [pid 6869] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f00000 [pid 5866] <... umount2 resumed>) = 0 [pid 6869] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5866] umount2("./74/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6869] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./74/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] umount2("./74/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] openat(AT_FDCWD, "./74/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5866] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5866] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5866] close(4) = 0 [pid 5866] rmdir("./74/bus") = 0 [pid 5866] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5866] close(3) = 0 [pid 6870] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6869] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0} [pid 5866] rmdir("./74"./strace-static-x86_64: Process 6878 attached [pid 6870] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6869] <... clone3 resumed> => {parent_tid=[6878]}, 88) = 6878 [pid 5866] <... rmdir resumed>) = 0 [pid 6878] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053) = 0 [pid 6869] rt_sigprocmask(SIG_SETMASK, [], [pid 6870] <... futex resumed>) = 0 [pid 6878] set_robust_list(0x7f46d9f209a0, 24 [pid 6870] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6869] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5866] mkdir("./75", 0777 [pid 6878] <... set_robust_list resumed>) = 0 [pid 6869] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6878] rt_sigprocmask(SIG_SETMASK, [], [pid 6869] <... futex resumed>) = 0 [pid 6878] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6869] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6878] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 5866] <... mkdir resumed>) = 0 [pid 5866] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5866] ioctl(3, LOOP_CLR_FD) = 0 [pid 5866] close(3 [pid 6878] <... openat resumed>) = -1 EIO (Input/output error) [pid 6878] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6869] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6878] <... futex resumed>) = 0 [pid 6869] exit_group(0 [pid 6870] <... futex resumed>) = ? [pid 6869] <... exit_group resumed>) = ? [pid 6878] +++ exited with 0 +++ [pid 6870] +++ exited with 0 +++ [pid 6869] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6869, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=26 /* 0.26 s */} --- [ 257.091992][ T6878] read_mapping_page failed! [ 257.103278][ T6878] ERROR: (device loop2): txCommit: [ 257.103278][ T6878] [pid 5865] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5865] umount2("./75", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./75", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5865] umount2("./75/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./75/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./75/binderfs") = 0 [pid 5865] umount2("./75/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 5865] umount2("./75/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./75/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] umount2("./75/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./75/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5865] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5865] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5865] close(4) = 0 [ 257.262002][ T5865] [ 257.262002][ T5865] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 257.262002][ T5865] [ 257.283558][ T5865] [ 257.283558][ T5865] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 257.283558][ T5865] [pid 5865] rmdir("./75/bus") = 0 [pid 5865] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5865] rmdir("./75") = 0 [pid 5865] mkdir("./76", 0777) = 0 [pid 5865] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5865] ioctl(3, LOOP_CLR_FD) = 0 [pid 5865] close(3) = 0 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6879 attached [pid 6879] set_robust_list(0x555566de86a0, 24 [pid 5863] <... close resumed>) = 0 [pid 5865] <... clone resumed>, child_tidptr=0x555566de8690) = 6879 [pid 5863] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6880 attached [pid 6879] <... set_robust_list resumed>) = 0 [pid 6880] set_robust_list(0x555566de86a0, 24) = 0 [pid 6879] chdir("./76" [pid 6880] chdir("./75" [pid 6879] <... chdir resumed>) = 0 [pid 6879] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6880] <... chdir resumed>) = 0 [pid 5863] <... clone resumed>, child_tidptr=0x555566de8690) = 6880 [pid 6880] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6879] <... prctl resumed>) = 0 [pid 6880] <... prctl resumed>) = 0 [pid 6879] setpgid(0, 0) = 0 [pid 6880] setpgid(0, 0) = 0 [pid 6880] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6879] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6880] <... openat resumed>) = 3 [pid 6879] <... openat resumed>) = 3 [pid 6880] write(3, "1000", 4 [pid 6879] write(3, "1000", 4 [pid 6880] <... write resumed>) = 4 [pid 6879] <... write resumed>) = 4 [pid 6880] close(3 [pid 6879] close(3 [pid 6880] <... close resumed>) = 0 [pid 6879] <... close resumed>) = 0 [pid 6880] symlink("/dev/binderfs", "./binderfs" [pid 6879] symlink("/dev/binderfs", "./binderfs" [pid 6880] <... symlink resumed>) = 0 executing program [pid 6879] <... symlink resumed>) = 0 [pid 6880] write(1, "executing program\n", 18) = 18 [pid 6879] write(1, "executing program\n", 18executing program [pid 6880] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6879] <... write resumed>) = 18 [pid 6880] <... futex resumed>) = 0 [pid 6880] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6879] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6880] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6879] <... futex resumed>) = 0 [pid 6880] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6879] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6880] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6880] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6880] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} => {parent_tid=[6881]}, 88) = 6881 [pid 6880] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6880] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6880] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 6881 attached [pid 6881] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053) = 0 [pid 6881] set_robust_list(0x7f46d9f419a0, 24) = 0 [pid 6881] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5866] <... close resumed>) = 0 [pid 6881] memfd_create("syzkaller", 0 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6882 attached [pid 6881] <... memfd_create resumed>) = 3 [pid 6879] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6882] set_robust_list(0x555566de86a0, 24 [pid 6881] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6879] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6882] <... set_robust_list resumed>) = 0 [pid 6881] <... mmap resumed>) = 0x7f46d1a00000 [pid 6879] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6882] chdir("./75" [pid 6879] <... mmap resumed>) = 0x7f46d9f21000 [pid 6877] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6879] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE [pid 6882] <... chdir resumed>) = 0 [pid 6879] <... mprotect resumed>) = 0 [pid 6879] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6882] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5866] <... clone resumed>, child_tidptr=0x555566de8690) = 6882 [pid 6879] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6882] <... prctl resumed>) = 0 [pid 6879] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} [pid 6882] setpgid(0, 0./strace-static-x86_64: Process 6883 attached [pid 6883] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053) = 0 [pid 6882] <... setpgid resumed>) = 0 [pid 6879] <... clone3 resumed> => {parent_tid=[6883]}, 88) = 6883 [pid 6883] set_robust_list(0x7f46d9f419a0, 24) = 0 [pid 6883] rt_sigprocmask(SIG_SETMASK, [], [pid 6882] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6879] rt_sigprocmask(SIG_SETMASK, [], [pid 6883] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6879] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6883] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6882] <... openat resumed>) = 3 [pid 6879] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6883] <... futex resumed>) = 0 [pid 6879] <... futex resumed>) = 1 [pid 6882] write(3, "1000", 4 [pid 6883] memfd_create("syzkaller", 0 [pid 6882] <... write resumed>) = 4 [pid 6879] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6882] close(3) = 0 [pid 6882] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6882] write(1, "executing program\n", 18 [pid 6883] <... memfd_create resumed>) = 3 [pid 6883] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 6882] <... write resumed>) = 18 [pid 6882] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6882] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6872] <... write resumed>) = 16777216 [pid 6882] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6882] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6882] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6872] munmap(0x7f46d1a00000, 138412032 [pid 6882] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6882] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0}./strace-static-x86_64: Process 6884 attached [pid 6884] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6882] <... clone3 resumed> => {parent_tid=[6884]}, 88) = 6884 [pid 6884] <... rseq resumed>) = 0 [pid 6882] rt_sigprocmask(SIG_SETMASK, [], [pid 6884] set_robust_list(0x7f46d9f419a0, 24 [pid 6882] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6884] <... set_robust_list resumed>) = 0 [pid 6882] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6884] rt_sigprocmask(SIG_SETMASK, [], [pid 6882] <... futex resumed>) = 0 [pid 6882] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6884] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6884] memfd_create("syzkaller", 0 [pid 6872] <... munmap resumed>) = 0 [pid 6884] <... memfd_create resumed>) = 3 [pid 6872] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6884] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6872] <... openat resumed>) = 4 [pid 6884] <... mmap resumed>) = 0x7f46d1a00000 [pid 6872] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6872] close(3) = 0 [pid 6872] close(4) = 0 [ 257.533852][ T6872] loop4: detected capacity change from 0 to 32768 [pid 6872] mkdir("./bus", 0777) = 0 [pid 6872] mount("/dev/loop4", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic,") = 0 [pid 6872] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6872] chdir("./bus") = 0 [pid 6872] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6872] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6871] <... futex resumed>) = 0 [pid 6872] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6871] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6872] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6871] <... futex resumed>) = 0 [pid 6872] chdir("./file0" [pid 6871] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6872] <... chdir resumed>) = 0 [pid 6872] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6871] <... futex resumed>) = 0 [pid 6872] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6871] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6872] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6871] <... futex resumed>) = 0 [pid 6872] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [ 257.600978][ T6872] [ 257.600978][ T6872] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 257.600978][ T6872] [ 257.651237][ T6872] read_mapping_page failed! [pid 6871] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6872] <... open resumed>) = -1 EIO (Input/output error) [pid 6871] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6872] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6871] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6872] <... futex resumed>) = 0 [pid 6871] <... futex resumed>) = 0 [pid 6871] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6872] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6871] <... mmap resumed>) = 0x7f46d9f00000 [pid 6871] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6871] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6871] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0}./strace-static-x86_64: Process 6885 attached => {parent_tid=[6885]}, 88) = 6885 [pid 6871] rt_sigprocmask(SIG_SETMASK, [], [pid 6885] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053 [pid 6871] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6885] <... rseq resumed>) = 0 [pid 6871] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6885] set_robust_list(0x7f46d9f209a0, 24 [pid 6871] <... futex resumed>) = 0 [pid 6885] <... set_robust_list resumed>) = 0 [pid 6871] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6885] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [ 257.674046][ T6872] ERROR: (device loop4): txCommit: [ 257.674046][ T6872] [ 257.726213][ T6885] read_mapping_page failed! [pid 6885] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x9)) = -1 EIO (Input/output error) [pid 6871] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6885] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6871] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6885] <... futex resumed>) = 0 [pid 6872] <... futex resumed>) = 0 [pid 6871] <... futex resumed>) = 1 [pid 6872] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [ 257.752750][ T6885] ERROR: (device loop4): txCommit: [ 257.752750][ T6885] [pid 6871] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6885] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6872] <... openat resumed>) = -1 EIO (Input/output error) [pid 6872] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6871] <... futex resumed>) = 0 [pid 6872] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6871] exit_group(0) = ? [pid 6885] <... futex resumed>) = ? [pid 6885] +++ exited with 0 +++ [pid 6872] <... futex resumed>) = ? [pid 6872] +++ exited with 0 +++ [pid 6871] +++ exited with 0 +++ [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6871, si_uid=0, si_status=0, si_utime=9 /* 0.09 s */, si_stime=29 /* 0.29 s */} --- [pid 5867] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5867] umount2("./75", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./75", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5867] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5867] umount2("./75/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./75/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] unlink("./75/binderfs") = 0 [ 257.808908][ T6872] read_mapping_page failed! [ 257.815172][ T6872] ERROR: (device loop4): txCommit: [ 257.815172][ T6872] [pid 5867] umount2("./75/bus", MNT_FORCE|UMOUNT_NOFOLLOW [ 257.873157][ T5867] [ 257.873157][ T5867] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 257.873157][ T5867] [ 257.913036][ T5867] [ 257.913036][ T5867] ... Log Wrap ... Log Wrap ... Log Wrap ... [pid 6884] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6881] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6883] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5867] <... umount2 resumed>) = 0 [pid 5867] umount2("./75/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 257.913036][ T5867] [pid 5867] newfstatat(AT_FDCWD, "./75/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] umount2("./75/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./75/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5867] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 6877] <... write resumed>) = 16777216 [pid 6877] munmap(0x7f46d1a00000, 138412032 [pid 5867] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5867] close(4) = 0 [pid 5867] rmdir("./75/bus" [pid 6877] <... munmap resumed>) = 0 [pid 5867] <... rmdir resumed>) = 0 [pid 5867] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5867] close(3) = 0 [pid 6877] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 6877] ioctl(4, LOOP_SET_FD, 3 [pid 5867] rmdir("./75") = 0 [pid 5867] mkdir("./76", 0777 [pid 6877] <... ioctl resumed>) = 0 [pid 5867] <... mkdir resumed>) = 0 [pid 5867] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5867] ioctl(3, LOOP_CLR_FD) = 0 [pid 6877] close(3 [pid 5867] close(3 [pid 6877] <... close resumed>) = 0 [pid 6877] close(4) = 0 [pid 6877] mkdir("./bus", 0777) = 0 [ 258.002300][ T6877] loop1: detected capacity change from 0 to 32768 [pid 6877] mount("/dev/loop1", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic,") = 0 [pid 6877] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6877] chdir("./bus") = 0 [pid 6877] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6877] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6876] <... futex resumed>) = 0 [pid 6876] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6876] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6877] chdir("./file0") = 0 [pid 6877] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6876] <... futex resumed>) = 0 [pid 6876] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6876] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 258.097000][ T6877] [ 258.097000][ T6877] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 258.097000][ T6877] [pid 6877] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6876] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6876] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6876] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f00000 [pid 6876] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6877] <... open resumed>) = -1 EIO (Input/output error) [pid 6876] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6877] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6876] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6877] <... futex resumed>) = 0 [pid 6876] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0} [pid 6877] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6876] <... clone3 resumed> => {parent_tid=[6886]}, 88) = 6886 [pid 6876] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6876] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6886 attached [pid 6886] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053) = 0 [pid 6886] set_robust_list(0x7f46d9f209a0, 24) = 0 [ 258.145151][ T6877] read_mapping_page failed! [ 258.149718][ T6877] ERROR: (device loop1): txCommit: [ 258.149718][ T6877] [pid 6886] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6886] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x3) [pid 6876] <... futex resumed>) = 0 [pid 6876] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6886] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6886] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6886] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6876] <... futex resumed>) = 0 [pid 6876] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6877] <... futex resumed>) = 0 [pid 6876] <... futex resumed>) = 1 [pid 6877] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [ 258.213843][ T6886] read_mapping_page failed! [ 258.218587][ T6886] ERROR: (device loop1): txCommit: [ 258.218587][ T6886] [pid 6876] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6881] <... write resumed>) = 16777216 [pid 6884] <... write resumed>) = 16777216 [pid 6881] munmap(0x7f46d1a00000, 138412032 [pid 6884] munmap(0x7f46d1a00000, 138412032 [pid 6877] <... openat resumed>) = -1 EIO (Input/output error) [pid 5867] <... close resumed>) = 0 [pid 6877] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6876] <... futex resumed>) = 0 [pid 6884] <... munmap resumed>) = 0 [pid 6881] <... munmap resumed>) = 0 [pid 6877] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6876] exit_group(0) = ? [pid 6886] <... futex resumed>) = ? [pid 6877] <... futex resumed>) = ? [pid 6886] +++ exited with 0 +++ [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6887 attached , child_tidptr=0x555566de8690) = 6887 [pid 6877] +++ exited with 0 +++ [pid 6876] +++ exited with 0 +++ [pid 6887] set_robust_list(0x555566de86a0, 24 [pid 6881] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6887] <... set_robust_list resumed>) = 0 [pid 6881] <... openat resumed>) = 4 [pid 5864] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6876, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=29 /* 0.29 s */} --- [pid 5864] restart_syscall(<... resuming interrupted clone ...> [ 258.281121][ T6877] read_mapping_page failed! [ 258.287854][ T6877] ERROR: (device loop1): txCommit: [ 258.287854][ T6877] [pid 6887] chdir("./76" [pid 6881] ioctl(4, LOOP_SET_FD, 3 [pid 6887] <... chdir resumed>) = 0 [pid 6884] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6883] <... write resumed>) = 16777216 [pid 5864] <... restart_syscall resumed>) = 0 [pid 6887] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6884] <... openat resumed>) = 4 [pid 6883] munmap(0x7f46d1a00000, 138412032 [pid 6881] <... ioctl resumed>) = 0 [pid 6881] close(3 [pid 6887] <... prctl resumed>) = 0 [pid 6884] ioctl(4, LOOP_SET_FD, 3 [pid 6881] <... close resumed>) = 0 [pid 6881] close(4) = 0 [pid 5864] umount2("./75", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6887] setpgid(0, 0 [pid 6881] mkdir("./bus", 0777 [pid 5864] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6887] <... setpgid resumed>) = 0 [pid 6887] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5864] openat(AT_FDCWD, "./75", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 6887] <... openat resumed>) = 3 [pid 6881] <... mkdir resumed>) = 0 [pid 6881] mount("/dev/loop0", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 5864] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5864] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 6887] write(3, "1000", 4) = 4 [pid 6887] close(3) = 0 [pid 6887] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5864] umount2("./75/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6887] write(1, "executing program\n", 18 [pid 5864] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6887] <... write resumed>) = 18 executing program [pid 6887] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] newfstatat(AT_FDCWD, "./75/binderfs", [pid 6887] <... futex resumed>) = 0 [pid 5864] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6887] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, [pid 5864] unlink("./75/binderfs" [pid 6887] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5864] <... unlink resumed>) = 0 [pid 6887] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5864] umount2("./75/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6887] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6887] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6887] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6887] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6887] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0}./strace-static-x86_64: Process 6888 attached [pid 6888] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053) = 0 [pid 6887] <... clone3 resumed> => {parent_tid=[6888]}, 88) = 6888 [pid 6887] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6887] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6887] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6888] set_robust_list(0x7f46d9f419a0, 24 [pid 6884] <... ioctl resumed>) = 0 [pid 6884] close(3) = 0 [pid 6884] close(4) = 0 [pid 6884] mkdir("./bus", 0777) = 0 [pid 6884] mount("/dev/loop3", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6888] <... set_robust_list resumed>) = 0 [pid 6883] <... munmap resumed>) = 0 [ 258.343462][ T6881] loop0: detected capacity change from 0 to 32768 [ 258.366019][ T6884] loop3: detected capacity change from 0 to 32768 [pid 6888] rt_sigprocmask(SIG_SETMASK, [], [pid 6883] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6888] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6883] <... openat resumed>) = 4 [pid 6888] memfd_create("syzkaller", 0) = 3 [pid 6888] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6883] ioctl(4, LOOP_SET_FD, 3 [pid 6888] <... mmap resumed>) = 0x7f46d1a00000 [ 258.399037][ T5864] [ 258.399037][ T5864] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 258.399037][ T5864] [ 258.406696][ T6881] [ 258.406696][ T6881] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 258.406696][ T6881] [ 258.410472][ T6884] [ 258.410472][ T6884] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 258.410472][ T6884] [ 258.442738][ T5864] [pid 6881] <... mount resumed>) = 0 [pid 6881] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6881] chdir("./bus") = 0 [pid 6881] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6881] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6881] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6880] <... futex resumed>) = 0 [pid 6880] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6881] <... futex resumed>) = 0 [pid 6880] <... futex resumed>) = 1 [pid 6881] chdir("./file0" [pid 6880] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6884] <... mount resumed>) = 0 [pid 6881] <... chdir resumed>) = 0 [pid 6884] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6881] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6884] <... openat resumed>) = 3 [pid 6884] chdir("./bus" [pid 6881] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6884] <... chdir resumed>) = 0 [pid 6880] <... futex resumed>) = 0 [pid 6880] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6884] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6881] <... futex resumed>) = 0 [pid 6880] <... futex resumed>) = 1 [pid 5864] <... umount2 resumed>) = 0 [pid 6884] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6881] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6880] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5864] umount2("./75/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6884] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6883] <... ioctl resumed>) = 0 [pid 6883] close(3) = 0 [pid 6883] close(4) = 0 [pid 5864] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6884] <... futex resumed>) = 1 [pid 6882] <... futex resumed>) = 0 [pid 6884] chdir("./file0" [pid 6882] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6883] mkdir("./bus", 0777 [pid 6882] <... futex resumed>) = 0 [pid 5864] newfstatat(AT_FDCWD, "./75/bus", [pid 6884] <... chdir resumed>) = 0 [pid 6883] <... mkdir resumed>) = 0 [pid 6882] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6883] mount("/dev/loop2", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6884] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6884] <... futex resumed>) = 1 [pid 6882] <... futex resumed>) = 0 [pid 6882] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [ 258.442738][ T5864] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 258.442738][ T5864] [ 258.445496][ T6883] loop2: detected capacity change from 0 to 32768 [ 258.479369][ T6881] read_mapping_page failed! [ 258.491967][ T6881] ERROR: (device loop0): txCommit: [ 258.491967][ T6881] [pid 6884] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6882] <... futex resumed>) = 0 [pid 5864] umount2("./75/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6882] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5864] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5864] openat(AT_FDCWD, "./75/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5864] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6880] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6880] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5864] getdents64(4, [pid 6880] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f00000 [pid 5864] <... getdents64 resumed>0x555566df1770 /* 2 entries */, 32768) = 48 [pid 6880] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6880] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6880] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0} [pid 5864] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5864] close(4./strace-static-x86_64: Process 6889 attached [pid 6881] <... open resumed>) = -1 EIO (Input/output error) [pid 5864] <... close resumed>) = 0 [pid 6889] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053 [pid 6884] <... open resumed>) = -1 EIO (Input/output error) [pid 6881] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6880] <... clone3 resumed> => {parent_tid=[6889]}, 88) = 6889 [pid 5864] rmdir("./75/bus" [pid 6884] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6881] <... futex resumed>) = 0 [pid 6884] <... futex resumed>) = 1 [pid 6882] <... futex resumed>) = 0 [pid 6881] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6880] rt_sigprocmask(SIG_SETMASK, [], [pid 5864] <... rmdir resumed>) = 0 [pid 6884] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6882] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] getdents64(3, [pid 6884] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6882] <... futex resumed>) = 0 [pid 6884] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x7) [pid 5864] <... getdents64 resumed>0x555566de9730 /* 0 entries */, 32768) = 0 [pid 6882] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6889] <... rseq resumed>) = 0 [pid 6880] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6889] set_robust_list(0x7f46d9f209a0, 24 [pid 6880] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6889] <... set_robust_list resumed>) = 0 [pid 6880] <... futex resumed>) = 0 [pid 6889] rt_sigprocmask(SIG_SETMASK, [], [pid 6880] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6889] <... rt_sigprocmask resumed>NULL, 8) = 0 [ 258.505960][ T6884] read_mapping_page failed! [ 258.510883][ T6884] ERROR: (device loop3): txCommit: [ 258.510883][ T6884] [ 258.536021][ T6883] [ 258.536021][ T6883] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 258.536021][ T6883] [pid 6889] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x1) [pid 5864] close(3) = 0 [pid 6884] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6883] <... mount resumed>) = 0 [pid 5864] rmdir("./75" [pid 6884] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6883] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6884] <... futex resumed>) = 1 [pid 6882] <... futex resumed>) = 0 [pid 6884] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6883] <... openat resumed>) = 3 [pid 6882] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] <... rmdir resumed>) = 0 [pid 6884] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6883] chdir("./bus" [pid 6882] <... futex resumed>) = 0 [pid 5864] mkdir("./76", 0777 [pid 6884] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6883] <... chdir resumed>) = 0 [pid 6882] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6889] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6883] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6883] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 258.555009][ T6884] read_mapping_page failed! [ 258.557925][ T6889] read_mapping_page failed! [ 258.575302][ T6884] ERROR: (device loop3): txCommit: [ 258.575302][ T6884] [ 258.575615][ T6889] ERROR: (device loop0): txCommit: [ 258.575615][ T6889] [ 258.595893][ T6884] read_mapping_page failed! [ 258.600440][ T6884] ERROR: (device loop3): txCommit: [pid 6883] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6880] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6880] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6880] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6879] <... futex resumed>) = 0 [pid 6889] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6884] <... openat resumed>) = -1 EIO (Input/output error) [pid 6881] <... futex resumed>) = 0 [pid 6879] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] <... mkdir resumed>) = 0 [pid 6889] <... futex resumed>) = 0 [pid 6884] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6883] <... futex resumed>) = 0 [pid 6881] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6879] <... futex resumed>) = 1 [pid 5864] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6884] <... futex resumed>) = 1 [pid 6883] chdir("./file0" [pid 6882] <... futex resumed>) = 0 [pid 6889] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6882] exit_group(0) = ? [pid 6883] <... chdir resumed>) = 0 [pid 6879] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5864] <... openat resumed>) = 3 [pid 6883] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6883] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5864] ioctl(3, LOOP_CLR_FD [pid 6879] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6879] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6884] +++ exited with 0 +++ [pid 6883] <... futex resumed>) = 0 [pid 6882] +++ exited with 0 +++ [pid 6879] <... futex resumed>) = 1 [pid 5864] <... ioctl resumed>) = 0 [pid 6883] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6879] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5864] close(3 [pid 5866] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6882, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=28 /* 0.28 s */} --- [pid 5866] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 6880] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5866] umount2("./75", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] openat(AT_FDCWD, "./75", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6881] <... openat resumed>) = -1 EIO (Input/output error) [pid 6881] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] <... openat resumed>) = 3 [pid 6881] <... futex resumed>) = 0 [pid 6880] exit_group(0 [pid 5866] newfstatat(3, "", [pid 6889] <... futex resumed>) = ? [pid 6880] <... exit_group resumed>) = ? [pid 6889] +++ exited with 0 +++ [pid 6881] +++ exited with 0 +++ [pid 6880] +++ exited with 0 +++ [pid 5866] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(3, [pid 6883] <... open resumed>) = -1 EIO (Input/output error) [pid 6883] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] <... getdents64 resumed>0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5863] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6880, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=29 /* 0.29 s */} --- [ 258.600440][ T6884] [ 258.620419][ T6881] read_mapping_page failed! [ 258.625872][ T6881] ERROR: (device loop0): txCommit: [ 258.625872][ T6881] [ 258.640486][ T6883] read_mapping_page failed! [ 258.649030][ T6883] ERROR: (device loop2): txCommit: [ 258.649030][ T6883] [pid 6883] <... futex resumed>) = 1 [pid 6879] <... futex resumed>) = 0 [pid 5866] umount2("./75/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5863] restart_syscall(<... resuming interrupted clone ...> [pid 6879] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6879] <... futex resumed>) = 0 [pid 6883] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x5) [pid 6879] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] newfstatat(AT_FDCWD, "./75/binderfs", [pid 5863] <... restart_syscall resumed>) = 0 [pid 5866] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] unlink("./75/binderfs" [pid 5863] umount2("./75", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5866] <... unlink resumed>) = 0 [pid 5863] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5866] umount2("./75/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5863] openat(AT_FDCWD, "./75", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5863] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5863] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5863] umount2("./75/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] newfstatat(AT_FDCWD, "./75/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5863] unlink("./75/binderfs") = 0 [pid 5863] umount2("./75/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6883] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6883] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6883] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6879] <... futex resumed>) = 0 [pid 6879] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6883] <... futex resumed>) = 0 [pid 6879] <... futex resumed>) = 1 [pid 6879] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 258.680518][ T6883] read_mapping_page failed! [ 258.699971][ T6883] ERROR: (device loop2): txCommit: [ 258.699971][ T6883] [ 258.720301][ T5866] [ 258.720301][ T5866] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 258.720301][ T5866] [ 258.736236][ T6883] read_mapping_page failed! [ 258.740805][ T6883] ERROR: (device loop2): txCommit: [ 258.740805][ T6883] [ 258.748335][ T5863] [ 258.748335][ T5863] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 258.748335][ T5863] [ 258.773136][ T5866] [ 258.773136][ T5866] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 258.773136][ T5866] [ 258.784004][ T5863] [pid 6883] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777) = -1 EIO (Input/output error) [pid 6879] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6883] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6883] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6879] exit_group(0 [pid 6883] <... futex resumed>) = ? [pid 6879] <... exit_group resumed>) = ? [pid 6883] +++ exited with 0 +++ [pid 6879] +++ exited with 0 +++ [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6879, si_uid=0, si_status=0, si_utime=11 /* 0.11 s */, si_stime=22 /* 0.22 s */} --- [pid 5865] umount2("./76", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./76", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5863] <... umount2 resumed>) = 0 [pid 5865] <... openat resumed>) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5865] umount2("./76/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./76/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./76/binderfs" [pid 5863] umount2("./75/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] <... unlink resumed>) = 0 [pid 5863] newfstatat(AT_FDCWD, "./75/bus", [pid 5865] umount2("./76/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5863] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5863] umount2("./75/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] openat(AT_FDCWD, "./75/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5863] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [ 258.784004][ T5863] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 258.784004][ T5863] [pid 5863] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5863] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5863] close(4) = 0 [pid 5863] rmdir("./75/bus") = 0 [pid 5863] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5863] close(3) = 0 [pid 5863] rmdir("./75") = 0 [pid 5863] mkdir("./76", 0777) = 0 [pid 5863] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5863] ioctl(3, LOOP_CLR_FD) = 0 [pid 5863] close(3 [pid 6888] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5866] <... umount2 resumed>) = 0 [pid 5866] umount2("./75/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] newfstatat(AT_FDCWD, "./75/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5866] umount2("./75/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5866] openat(AT_FDCWD, "./75/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5866] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5866] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [ 258.833947][ T5865] [ 258.833947][ T5865] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 258.833947][ T5865] [ 258.863996][ T5865] [ 258.863996][ T5865] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 258.863996][ T5865] [pid 5866] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5866] close(4) = 0 [pid 5866] rmdir("./75/bus") = 0 [pid 5866] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5866] close(3) = 0 [pid 5866] rmdir("./75") = 0 [pid 5866] mkdir("./76", 0777) = 0 [pid 5866] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5866] ioctl(3, LOOP_CLR_FD) = 0 [pid 5866] close(3 [pid 5865] <... umount2 resumed>) = 0 [pid 5865] umount2("./76/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./76/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] umount2("./76/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./76/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5865] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5865] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5865] close(4) = 0 [pid 5865] rmdir("./76/bus") = 0 [pid 5864] <... close resumed>) = 0 [pid 5865] getdents64(3, [pid 5864] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5865] <... getdents64 resumed>0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5865] close(3./strace-static-x86_64: Process 6890 attached ) = 0 [pid 5864] <... clone resumed>, child_tidptr=0x555566de8690) = 6890 [pid 6890] set_robust_list(0x555566de86a0, 24 [pid 5865] rmdir("./76" [pid 6890] <... set_robust_list resumed>) = 0 [pid 6890] chdir("./76" [pid 5865] <... rmdir resumed>) = 0 [pid 5865] mkdir("./77", 0777 [pid 6890] <... chdir resumed>) = 0 [pid 6890] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5865] <... mkdir resumed>) = 0 [pid 6890] setpgid(0, 0 [pid 5865] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6890] <... setpgid resumed>) = 0 [pid 5865] <... openat resumed>) = 3 [pid 6890] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5865] ioctl(3, LOOP_CLR_FD [pid 6890] <... openat resumed>) = 3 [pid 5865] <... ioctl resumed>) = 0 [pid 5865] close(3 [pid 6890] write(3, "1000", 4) = 4 [pid 6890] close(3) = 0 [pid 6890] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6890] write(1, "executing program\n", 18) = 18 [pid 6890] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6890] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6890] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6890] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6890] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6890] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6890] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0}./strace-static-x86_64: Process 6891 attached [pid 6891] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6890] <... clone3 resumed> => {parent_tid=[6891]}, 88) = 6891 [pid 6891] <... rseq resumed>) = 0 [pid 6890] rt_sigprocmask(SIG_SETMASK, [], [pid 6891] set_robust_list(0x7f46d9f419a0, 24 [pid 6890] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6891] <... set_robust_list resumed>) = 0 [pid 6890] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6891] rt_sigprocmask(SIG_SETMASK, [], [pid 6890] <... futex resumed>) = 0 [pid 6891] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6890] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6891] memfd_create("syzkaller", 0) = 3 [pid 6891] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 5863] <... close resumed>) = 0 [pid 5863] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555566de8690) = 6892 ./strace-static-x86_64: Process 6892 attached [pid 6892] set_robust_list(0x555566de86a0, 24) = 0 [pid 6892] chdir("./76") = 0 [pid 6892] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6892] setpgid(0, 0) = 0 [pid 6892] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6892] write(3, "1000", 4) = 4 [pid 6892] close(3) = 0 [pid 6892] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6892] write(1, "executing program\n", 18executing program ) = 18 [pid 6892] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6892] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6892] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6892] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 5866] <... close resumed>) = 0 [pid 5866] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6892] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 ./strace-static-x86_64: Process 6893 attached [pid 6892] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6892] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} [pid 5866] <... clone resumed>, child_tidptr=0x555566de8690) = 6893 [pid 6893] set_robust_list(0x555566de86a0, 24) = 0 [pid 6893] chdir("./76") = 0 [pid 6893] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6892] <... clone3 resumed> => {parent_tid=[6894]}, 88) = 6894 ./strace-static-x86_64: Process 6894 attached [pid 6894] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6892] rt_sigprocmask(SIG_SETMASK, [], [pid 6894] <... rseq resumed>) = 0 [pid 6893] <... prctl resumed>) = 0 [pid 6892] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6894] set_robust_list(0x7f46d9f419a0, 24 [pid 6893] setpgid(0, 0 [pid 6892] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6894] <... set_robust_list resumed>) = 0 [pid 6893] <... setpgid resumed>) = 0 [pid 6892] <... futex resumed>) = 0 [pid 6894] rt_sigprocmask(SIG_SETMASK, [], [pid 6893] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6894] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6893] <... openat resumed>) = 3 [pid 6892] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6894] memfd_create("syzkaller", 0 [pid 6893] write(3, "1000", 4) = 4 [pid 6893] close(3) = 0 [pid 6893] symlink("/dev/binderfs", "./binderfs" [pid 6894] <... memfd_create resumed>) = 3 [pid 6894] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6893] <... symlink resumed>) = 0 [pid 6894] <... mmap resumed>) = 0x7f46d1a00000 [pid 6893] write(1, "executing program\n", 18executing program ) = 18 [pid 6893] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6893] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6893] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6893] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6893] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6893] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6893] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} => {parent_tid=[6895]}, 88) = 6895 [pid 6893] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6893] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 6895 attached [pid 6893] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5865] <... close resumed>) = 0 [pid 6895] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053) = 0 [pid 6895] set_robust_list(0x7f46d9f419a0, 24) = 0 [pid 6895] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6895] memfd_create("syzkaller", 0) = 3 [pid 6888] <... write resumed>) = 16777216 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6895] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6888] munmap(0x7f46d1a00000, 138412032./strace-static-x86_64: Process 6896 attached [pid 6895] <... mmap resumed>) = 0x7f46d1a00000 [pid 5865] <... clone resumed>, child_tidptr=0x555566de8690) = 6896 [pid 6896] set_robust_list(0x555566de86a0, 24) = 0 [pid 6896] chdir("./77") = 0 [pid 6896] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6896] setpgid(0, 0) = 0 [pid 6896] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6896] write(3, "1000", 4) = 4 [pid 6896] close(3) = 0 [pid 6896] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6896] write(1, "executing program\n", 18) = 18 [pid 6896] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6896] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6896] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6896] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f21000 [pid 6896] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6896] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6896] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} => {parent_tid=[6897]}, 88) = 6897 [pid 6896] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 6897 attached [pid 6897] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6896] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6897] <... rseq resumed>) = 0 [pid 6896] <... futex resumed>) = 0 [pid 6897] set_robust_list(0x7f46d9f419a0, 24 [pid 6896] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 6897] <... set_robust_list resumed>) = 0 [pid 6888] <... munmap resumed>) = 0 [pid 6897] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6888] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6897] memfd_create("syzkaller", 0 [pid 6888] <... openat resumed>) = 4 [pid 6897] <... memfd_create resumed>) = 3 [pid 6888] ioctl(4, LOOP_SET_FD, 3 [pid 6897] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d1a00000 [pid 6891] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6888] <... ioctl resumed>) = 0 [pid 6888] close(3) = 0 [pid 6888] close(4) = 0 [pid 6888] mkdir("./bus", 0777) = 0 [ 259.364985][ T6888] loop4: detected capacity change from 0 to 32768 [pid 6888] mount("/dev/loop4", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic,") = 0 [pid 6888] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 6888] chdir("./bus") = 0 [pid 6888] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6888] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6888] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6887] <... futex resumed>) = 0 [pid 6887] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6888] <... futex resumed>) = 0 [pid 6888] chdir("./file0" [pid 6887] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6888] <... chdir resumed>) = 0 [pid 6888] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6887] <... futex resumed>) = 0 [ 259.417316][ T6888] [ 259.417316][ T6888] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 259.417316][ T6888] [pid 6887] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6888] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6887] <... futex resumed>) = 0 [pid 6887] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 6887] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6887] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f00000 [pid 6887] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6887] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6887] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0}./strace-static-x86_64: Process 6898 attached [pid 6898] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053 [pid 6887] <... clone3 resumed> => {parent_tid=[6898]}, 88) = 6898 [pid 6898] <... rseq resumed>) = 0 [pid 6898] set_robust_list(0x7f46d9f209a0, 24) = 0 [pid 6888] <... open resumed>) = -1 EIO (Input/output error) [pid 6887] rt_sigprocmask(SIG_SETMASK, [], [pid 6888] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6887] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6888] <... futex resumed>) = 0 [pid 6887] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6888] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6887] <... futex resumed>) = 0 [pid 6887] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6898] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [ 259.475087][ T6888] read_mapping_page failed! [ 259.493136][ T6888] ERROR: (device loop4): txCommit: [ 259.493136][ T6888] [ 259.536520][ T6898] read_mapping_page failed! [pid 6898] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x9)) = -1 EIO (Input/output error) [pid 6887] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6887] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6888] <... futex resumed>) = 0 [pid 6887] <... futex resumed>) = 1 [pid 6888] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6887] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6898] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 259.563102][ T6898] ERROR: (device loop4): txCommit: [ 259.563102][ T6898] [ 259.584746][ T6888] read_mapping_page failed! [pid 6898] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6888] <... openat resumed>) = -1 EIO (Input/output error) [pid 6894] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 6888] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6887] <... futex resumed>) = 0 [pid 6888] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6887] exit_group(0 [pid 6898] <... futex resumed>) = ? [pid 6888] <... futex resumed>) = ? [pid 6887] <... exit_group resumed>) = ? [pid 6898] +++ exited with 0 +++ [pid 6888] +++ exited with 0 +++ [pid 6887] +++ exited with 0 +++ [pid 5867] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6887, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=33 /* 0.33 s */} --- [pid 5867] umount2("./76", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./76", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5867] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [ 259.613047][ T6888] ERROR: (device loop4): txCommit: [ 259.613047][ T6888] [pid 6895] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5867] umount2("./76/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./76/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] unlink("./76/binderfs") = 0 [pid 5867] umount2("./76/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6897] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 5867] <... umount2 resumed>) = 0 [ 259.693522][ T5867] [ 259.693522][ T5867] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 259.693522][ T5867] [ 259.722357][ T5867] [ 259.722357][ T5867] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 259.722357][ T5867] [pid 5867] umount2("./76/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] newfstatat(AT_FDCWD, "./76/bus", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5867] umount2("./76/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5867] openat(AT_FDCWD, "./76/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5867] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5867] getdents64(4, 0x555566df1770 /* 2 entries */, 32768) = 48 [pid 5867] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5867] close(4) = 0 [pid 6891] <... write resumed>) = 16777216 [pid 5867] rmdir("./76/bus") = 0 [pid 6891] munmap(0x7f46d1a00000, 138412032 [pid 5867] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5867] close(3) = 0 [pid 5867] rmdir("./76") = 0 [pid 6891] <... munmap resumed>) = 0 [pid 5867] mkdir("./77", 0777) = 0 [pid 5867] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 6891] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5867] ioctl(3, LOOP_CLR_FD [pid 6891] <... openat resumed>) = 4 [pid 5867] <... ioctl resumed>) = 0 [pid 6891] ioctl(4, LOOP_SET_FD, 3 [pid 5867] close(3 [pid 6891] <... ioctl resumed>) = 0 [pid 6891] close(3) = 0 [pid 6891] close(4) = 0 [pid 6891] mkdir("./bus", 0777) = 0 [ 259.864174][ T6891] loop1: detected capacity change from 0 to 32768 [pid 6891] mount("/dev/loop1", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic,") = 0 [pid 6891] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [ 259.957309][ T6891] [ 259.957309][ T6891] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 259.957309][ T6891] [pid 6894] <... write resumed>) = 16777216 [pid 6891] chdir("./bus") = 0 [pid 6891] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6891] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6890] <... futex resumed>) = 0 [pid 6891] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6890] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6891] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6890] <... futex resumed>) = 0 [pid 6891] chdir("./file0" [pid 6890] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6894] munmap(0x7f46d1a00000, 138412032 [pid 6891] <... chdir resumed>) = 0 [pid 6891] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6890] <... futex resumed>) = 0 [pid 6891] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6890] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6890] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6895] <... write resumed>) = 16777216 [pid 6895] munmap(0x7f46d1a00000, 138412032 [pid 6894] <... munmap resumed>) = 0 [pid 6891] <... open resumed>) = -1 EIO (Input/output error) [pid 6891] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6894] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 6890] <... futex resumed>) = 0 [pid 6894] ioctl(4, LOOP_SET_FD, 3 [pid 6891] <... futex resumed>) = 1 [pid 6890] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6891] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x3) [pid 6890] <... futex resumed>) = 0 [pid 6890] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6891] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6891] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6890] <... futex resumed>) = 0 [pid 6891] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6890] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 260.083594][ T6891] read_mapping_page failed! [ 260.088522][ T6891] ERROR: (device loop1): txCommit: [ 260.088522][ T6891] [ 260.105228][ T6894] loop0: detected capacity change from 0 to 32768 [ 260.114515][ T6891] read_mapping_page failed! [ 260.124867][ T6891] ERROR: (device loop1): txCommit: [ 260.124867][ T6891] [pid 6890] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6894] <... ioctl resumed>) = 0 [pid 6894] close(3 [pid 6895] <... munmap resumed>) = 0 [pid 6894] <... close resumed>) = 0 [pid 6894] close(4) = 0 [pid 6895] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 6895] ioctl(4, LOOP_SET_FD, 3 [pid 6894] mkdir("./bus", 0777 [pid 6895] <... ioctl resumed>) = 0 [pid 6894] <... mkdir resumed>) = 0 [pid 5867] <... close resumed>) = 0 [pid 6894] mount("/dev/loop0", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6891] <... openat resumed>) = -1 EIO (Input/output error) [pid 6891] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6897] <... write resumed>) = 16777216 [pid 6897] munmap(0x7f46d1a00000, 138412032 [pid 6891] <... futex resumed>) = 1 [pid 6890] <... futex resumed>) = 0 [pid 6891] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6890] exit_group(0./strace-static-x86_64: Process 6899 attached [pid 6891] <... futex resumed>) = ? [pid 6890] <... exit_group resumed>) = ? [pid 6899] set_robust_list(0x555566de86a0, 24 [pid 6891] +++ exited with 0 +++ [pid 6890] +++ exited with 0 +++ [pid 5864] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6890, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=27 /* 0.27 s */} --- [pid 6899] <... set_robust_list resumed>) = 0 [pid 5864] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5864] umount2("./76", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6895] close(3 [pid 5864] openat(AT_FDCWD, "./76", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6895] <... close resumed>) = 0 [pid 5864] <... openat resumed>) = 3 [pid 6895] close(4 [pid 5864] newfstatat(3, "", [pid 6895] <... close resumed>) = 0 [pid 5864] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6895] mkdir("./bus", 0777 [pid 5864] getdents64(3, [pid 6899] chdir("./77" [pid 6895] <... mkdir resumed>) = 0 [pid 5867] <... clone resumed>, child_tidptr=0x555566de8690) = 6899 [pid 5864] <... getdents64 resumed>0x555566de9730 /* 4 entries */, 32768) = 104 [ 260.135939][ T6891] read_mapping_page failed! [ 260.140478][ T6891] ERROR: (device loop1): txCommit: [ 260.140478][ T6891] [ 260.165040][ T6895] loop3: detected capacity change from 0 to 32768 [pid 5864] umount2("./76/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5864] newfstatat(AT_FDCWD, "./76/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5864] unlink("./76/binderfs") = 0 [pid 6895] mount("/dev/loop3", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 5864] umount2("./76/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6899] <... chdir resumed>) = 0 [pid 6897] <... munmap resumed>) = 0 [pid 6899] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6897] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6899] <... prctl resumed>) = 0 [pid 6899] setpgid(0, 0 [pid 6897] <... openat resumed>) = 4 [ 260.204922][ T6894] [ 260.204922][ T6894] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 260.204922][ T6894] [ 260.216834][ T5864] [ 260.216834][ T5864] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 260.216834][ T5864] [ 260.236448][ T6897] loop2: detected capacity change from 0 to 32768 [ 260.246212][ T6895] [ 260.246212][ T6895] ... Log Wrap ... Log Wrap ... Log Wrap ... [pid 6897] ioctl(4, LOOP_SET_FD, 3 [pid 6899] <... setpgid resumed>) = 0 [pid 6897] <... ioctl resumed>) = 0 [pid 6894] <... mount resumed>) = 0 [pid 6899] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6894] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6897] close(3) = 0 [pid 6899] <... openat resumed>) = 3 [pid 6897] close(4 [pid 6894] <... openat resumed>) = 3 [pid 6899] write(3, "1000", 4 [pid 6897] <... close resumed>) = 0 [pid 6894] chdir("./bus" [pid 6899] <... write resumed>) = 4 [pid 6899] close(3 [pid 6897] mkdir("./bus", 0777 [pid 6894] <... chdir resumed>) = 0 [pid 6899] <... close resumed>) = 0 [pid 6899] symlink("/dev/binderfs", "./binderfs" [pid 6897] <... mkdir resumed>) = 0 [pid 6894] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6899] <... symlink resumed>) = 0 [pid 6897] mount("/dev/loop2", "./bus", "jfs", MS_SYNCHRONOUS|MS_SILENT|MS_LAZYTIME, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic," [pid 6894] <... openat resumed>) = -1 EBUSY (Device or resource busy) executing program [pid 6899] write(1, "executing program\n", 18 [pid 6894] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6899] <... write resumed>) = 18 [pid 6894] <... futex resumed>) = 1 [pid 6899] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6895] <... mount resumed>) = 0 [pid 6894] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6892] <... futex resumed>) = 0 [pid 6899] <... futex resumed>) = 0 [pid 6895] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6892] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] <... umount2 resumed>) = 0 [pid 6899] rt_sigaction(SIGRT_1, {sa_handler=0x7f46d9fb30e0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f46d9fa4290}, NULL, 8) = 0 [pid 6895] <... openat resumed>) = 3 [pid 6899] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6894] <... futex resumed>) = 0 [pid 6892] <... futex resumed>) = 1 [pid 6899] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6897] <... mount resumed>) = 0 [pid 6895] chdir("./bus" [pid 6894] chdir("./file0" [pid 6899] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6897] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY [pid 6892] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6899] <... mmap resumed>) = 0x7f46d9f21000 [pid 6897] <... openat resumed>) = 3 [pid 6895] <... chdir resumed>) = 0 [ 260.246212][ T6895] [ 260.265041][ T5864] [ 260.265041][ T5864] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 260.265041][ T5864] [ 260.290195][ T6897] [ 260.290195][ T6897] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 260.290195][ T6897] [pid 5864] umount2("./76/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6895] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6894] <... chdir resumed>) = 0 [pid 5864] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6895] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6894] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] newfstatat(AT_FDCWD, "./76/bus", [pid 6895] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6894] <... futex resumed>) = 1 [pid 6892] <... futex resumed>) = 0 [pid 6892] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6895] <... futex resumed>) = 1 [pid 6892] <... futex resumed>) = 0 [pid 5864] umount2("./76/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6899] mprotect(0x7f46d9f22000, 131072, PROT_READ|PROT_WRITE [pid 6897] chdir("./bus" [pid 6895] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6894] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6893] <... futex resumed>) = 0 [pid 6892] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5864] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6899] <... mprotect resumed>) = 0 [pid 6897] <... chdir resumed>) = 0 [pid 6899] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6897] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6899] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6897] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6899] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f41990, parent_tid=0x7f46d9f41990, exit_signal=0, stack=0x7f46d9f21000, stack_size=0x20300, tls=0x7f46d9f416c0} [pid 6897] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6896] <... futex resumed>) = 0 [pid 6897] chdir("./file0" [pid 6896] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6900 attached [pid 6897] <... chdir resumed>) = 0 [pid 6896] <... futex resumed>) = 0 [pid 6893] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] openat(AT_FDCWD, "./76/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6899] <... clone3 resumed> => {parent_tid=[6900]}, 88) = 6900 [pid 6897] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6896] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6895] <... futex resumed>) = 0 [pid 6893] <... futex resumed>) = 1 [pid 6900] rseq(0x7f46d9f41fe0, 0x20, 0, 0x53053053 [pid 6899] rt_sigprocmask(SIG_SETMASK, [], [pid 6897] <... futex resumed>) = 0 [pid 6896] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6895] chdir("./file0" [pid 6893] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5864] <... openat resumed>) = 4 [pid 6900] <... rseq resumed>) = 0 [pid 6899] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6897] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6896] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] newfstatat(4, "", [pid 6899] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6897] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6896] <... futex resumed>) = 0 [pid 6899] <... futex resumed>) = 0 [pid 6897] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6896] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5864] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6899] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5864] getdents64(4, [pid 6900] set_robust_list(0x7f46d9f419a0, 24 [pid 6895] <... chdir resumed>) = 0 [pid 5864] <... getdents64 resumed>0x555566df1770 /* 2 entries */, 32768) = 48 [pid 6900] <... set_robust_list resumed>) = 0 [pid 6895] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] getdents64(4, 0x555566df1770 /* 0 entries */, 32768) = 0 [pid 5864] close(4 [pid 6900] rt_sigprocmask(SIG_SETMASK, [], [pid 6895] <... futex resumed>) = 1 [pid 6900] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5864] <... close resumed>) = 0 [pid 6893] <... futex resumed>) = 0 [pid 6893] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [ 260.339830][ T6894] read_mapping_page failed! [ 260.356566][ T6897] read_mapping_page failed! [ 260.361451][ T6894] ERROR: (device loop0): txCommit: [ 260.361451][ T6894] [ 260.374816][ T6895] read_mapping_page failed! [ 260.379456][ T6895] ERROR: (device loop3): txCommit: [ 260.379456][ T6895] [pid 6900] memfd_create("syzkaller", 0 [pid 6893] <... futex resumed>) = 0 [pid 5864] rmdir("./76/bus" [pid 6895] open("./bus", O_RDWR|O_CREAT|O_APPEND|O_NONBLOCK|O_LARGEFILE|O_NOATIME|0x3c, 010 [pid 6893] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5864] <... rmdir resumed>) = 0 [pid 5864] getdents64(3, 0x555566de9730 /* 0 entries */, 32768) = 0 [pid 5864] close(3) = 0 [pid 6894] <... open resumed>) = -1 EIO (Input/output error) [pid 6894] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6894] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6900] <... memfd_create resumed>) = 3 [pid 6892] <... futex resumed>) = 0 [pid 5864] rmdir("./76" [pid 6900] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6892] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6894] <... futex resumed>) = 0 [pid 6892] <... futex resumed>) = 1 [pid 6894] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x1) [pid 6900] <... mmap resumed>) = 0x7f46d1a00000 [pid 6896] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6892] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5864] <... rmdir resumed>) = 0 [pid 6896] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6896] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f00000 [pid 6896] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6896] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6896] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0} => {parent_tid=[6901]}, 88) = 6901 [pid 5864] mkdir("./77", 0777 [pid 6896] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6896] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6896] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6901 attached [pid 6893] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6893] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6893] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f46d9f00000 [pid 5864] <... mkdir resumed>) = 0 [pid 6893] mprotect(0x7f46d9f01000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5864] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6901] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053 [pid 6893] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6901] <... rseq resumed>) = 0 [pid 6893] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5864] <... openat resumed>) = 3 [pid 6893] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f46d9f20990, parent_tid=0x7f46d9f20990, exit_signal=0, stack=0x7f46d9f00000, stack_size=0x20300, tls=0x7f46d9f206c0} [pid 5864] ioctl(3, LOOP_CLR_FD [pid 6893] <... clone3 resumed> => {parent_tid=[6902]}, 88) = 6902 [pid 5864] <... ioctl resumed>) = 0 [pid 6893] rt_sigprocmask(SIG_SETMASK, [], [pid 5864] close(3 [pid 6893] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6893] futex(0x7f46da01a6b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6901] set_robust_list(0x7f46d9f209a0, 24 [pid 6893] futex(0x7f46da01a6bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6901] <... set_robust_list resumed>) = 0 [pid 6901] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [ 260.382254][ T6897] ERROR: (device loop2): txCommit: [ 260.382254][ T6897] [ 260.405549][ T6894] read_mapping_page failed! [ 260.415055][ T6894] ERROR: (device loop0): txCommit: [ 260.415055][ T6894] [pid 6901] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x5) [pid 6894] <... mknod resumed>) = -1 EIO (Input/output error) ./strace-static-x86_64: Process 6902 attached [pid 6897] <... open resumed>) = -1 EIO (Input/output error) [pid 6895] <... open resumed>) = -1 EIO (Input/output error) [pid 6897] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6897] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6894] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6892] <... futex resumed>) = 0 [pid 6895] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6894] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6892] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6895] <... futex resumed>) = 0 [pid 6892] <... futex resumed>) = 0 [pid 6895] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6902] rseq(0x7f46d9f20fe0, 0x20, 0, 0x53053053 [pid 6896] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6894] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6892] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6902] <... rseq resumed>) = 0 [pid 6896] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6894] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6897] <... futex resumed>) = 0 [pid 6896] <... futex resumed>) = 1 [pid 6897] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [ 260.454499][ T6901] read_mapping_page failed! [ 260.461248][ T6901] ERROR: (device loop2): txCommit: [ 260.461248][ T6901] [ 260.485405][ T6894] read_mapping_page failed! [ 260.490815][ T6894] ERROR: (device loop0): txCommit: [ 260.490815][ T6894] [pid 6896] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6902] set_robust_list(0x7f46d9f209a0, 24 [pid 6901] <... mknod resumed>) = -1 EIO (Input/output error) [pid 6893] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6893] futex(0x7f46da01a6a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6893] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6902] <... set_robust_list resumed>) = 0 [pid 6901] futex(0x7f46da01a6bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6895] <... futex resumed>) = 0 [pid 6901] <... futex resumed>) = 0 [pid 6901] futex(0x7f46da01a6b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6894] <... openat resumed>) = -1 EIO (Input/output error) [pid 6894] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6894] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6892] <... futex resumed>) = 0 [pid 6895] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 [pid 6892] exit_group(0) = ? [pid 6894] <... futex resumed>) = ? [pid 6894] +++ exited with 0 +++ [pid 6892] +++ exited with 0 +++ [pid 6902] rt_sigprocmask(SIG_SETMASK, [], [pid 5863] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6892, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=27 /* 0.27 s */} --- [pid 5863] restart_syscall(<... resuming interrupted clone ...> [pid 6896] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6896] futex(0x7f46da01a6ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5863] <... restart_syscall resumed>) = 0 [pid 6902] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6897] <... openat resumed>) = -1 EIO (Input/output error) [pid 6902] mknod("./bus", S_IFCHR|000, makedev(0x7, 0x7) [pid 5863] umount2("./76", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] openat(AT_FDCWD, "./76", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [ 260.502326][ T6897] read_mapping_page failed! [ 260.507048][ T6897] ERROR: (device loop2): txCommit: [ 260.507048][ T6897] [ 260.530506][ T6895] read_mapping_page failed! [ 260.538406][ T6895] ERROR: (device loop3): txCommit: [ 260.538406][ T6895] [pid 6897] futex(0x7f46da01a6ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5863] <... openat resumed>) = 3 [pid 6897] futex(0x7f46da01a6a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6896] exit_group(0 [pid 5863] newfstatat(3, "", [pid 6901] <... futex resumed>) = ? [pid 6896] <... exit_group resumed>) = ? [pid 5863] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6901] +++ exited with 0 +++ [pid 6897] <... futex resumed>) = ? [pid 5863] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5863] umount2("./76/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5863] newfstatat(AT_FDCWD, "./76/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5863] unlink("./76/binderfs") = 0 [pid 5863] umount2("./76/bus", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6897] +++ exited with 0 +++ [pid 6896] +++ exited with 0 +++ [pid 6893] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 260.556117][ T5863] [ 260.556117][ T5863] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 260.556117][ T5863] [ 260.565024][ T6902] ================================================================== [ 260.574655][ T6902] BUG: KASAN: slab-out-of-bounds in dtInsertEntry+0xe9a/0x1430 [ 260.582225][ T6902] Read of size 4 at addr ffff88806f0aee34 by task syz-executor296/6902 [ 260.590476][ T6902] [ 260.592836][ T6902] CPU: 0 UID: 0 PID: 6902 Comm: syz-executor296 Not tainted 6.16.0-rc7-syzkaller-00105-g2942242dde89 #0 PREEMPT(full) [pid 5865] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6896, si_uid=0, si_status=0, si_utime=12 /* 0.12 s */, si_stime=32 /* 0.32 s */} --- [pid 5865] umount2("./77", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] openat(AT_FDCWD, "./77", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5865] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5865] getdents64(3, 0x555566de9730 /* 4 entries */, 32768) = 104 [pid 5865] umount2("./77/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5865] newfstatat(AT_FDCWD, "./77/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5865] unlink("./77/binderfs") = 0 [ 260.592862][ T6902] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 260.592882][ T6902] Call Trace: [ 260.592893][ T6902] [ 260.592902][ T6902] dump_stack_lvl+0x189/0x250 [ 260.592926][ T6902] ? __virt_addr_valid+0x1c8/0x5c0 [ 260.592948][ T6902] ? rcu_is_watching+0x15/0xb0 [ 260.592968][ T6902] ? __pfx_dump_stack_lvl+0x10/0x10 [ 260.592985][ T6902] ? rcu_is_watching+0x15/0xb0 [ 260.593003][ T6902] ? lock_release+0x4b/0x3e0 [ 260.593020][ T6902] ? _raw_spin_lock_irqsave+0xb3/0xf0 [ 260.593056][ T6902] ? __virt_addr_valid+0x1c8/0x5c0 [ 260.593077][ T6902] ? __virt_addr_valid+0x4a5/0x5c0 [ 260.593100][ T6902] print_report+0xca/0x240 [ 260.593127][ T6902] ? dtInsertEntry+0xe9a/0x1430 [ 260.593151][ T6902] kasan_report+0x118/0x150 [ 260.593171][ T6902] ? lockdep_hardirqs_on+0x9c/0x150 [ 260.593191][ T6902] ? dtInsertEntry+0xe9a/0x1430 [ 260.593218][ T6902] dtInsertEntry+0xe9a/0x1430 [ 260.593253][ T6902] dtSplitPage+0x2a83/0x3b20 [ 260.593302][ T6902] dtInsert+0x109b/0x5f40 [ 260.593330][ T6902] ? kasan_quarantine_put+0xdd/0x220 [ 260.593354][ T6902] ? lockdep_hardirqs_on+0x9c/0x150 [ 260.593378][ T6902] ? __pfx_dtInsert+0x10/0x10 [ 260.593400][ T6902] ? dtSearch+0x1d29/0x21b0 [ 260.593437][ T6902] jfs_mknod+0x640/0x960 [ 260.593467][ T6902] ? __pfx_jfs_mknod+0x10/0x10 [ 260.593505][ T6902] ? devcgroup_check_permission+0x2f/0x950 [ 260.593529][ T6902] ? devcgroup_check_permission+0x2f/0x950 [ 260.593550][ T6902] ? bpf_lsm_inode_mknod+0x9/0x20 [ 260.593573][ T6902] ? security_inode_mknod+0xc2/0x360 [ 260.593593][ T6902] vfs_mknod+0x37c/0x3c0 [ 260.593624][ T6902] do_mknodat+0x385/0x4d0 [ 260.593650][ T6902] ? __pfx_do_mknodat+0x10/0x10 [ 260.593674][ T6902] ? getname_flags+0x1e5/0x540 [ 260.593698][ T6902] __x64_sys_mknod+0x8c/0xa0 [ 260.593726][ T6902] do_syscall_64+0xfa/0x3b0 [ 260.593748][ T6902] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 260.593766][ T6902] ? __switch_to_asm+0x39/0x70 [ 260.593788][ T6902] ? clear_bhb_loop+0x60/0xb0 [ 260.593809][ T6902] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 260.593827][ T6902] RIP: 0033:0x7f46d9f8ccc9 [ 260.593848][ T6902] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 260.593869][ T6902] RSP: 002b:00007f46d9f20218 EFLAGS: 00000246 ORIG_RAX: 0000000000000085 [ 260.593896][ T6902] RAX: ffffffffffffffda RBX: 00007f46da01a6b8 RCX: 00007f46d9f8ccc9 [ 260.593911][ T6902] RDX: 0000000000000707 RSI: 0000000000002000 RDI: 0000200000000780 [ 260.593923][ T6902] RBP: 00007f46da01a6b0 R08: 00007ffcd9e5c097 R09: 0000000000000000 [ 260.593937][ T6902] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f46d9fe7468 [ 260.593949][ T6902] R13: 0000200000000300 R14: 0000200000000780 R15: 0031656c69662f2e [ 260.593969][ T6902] [ 260.593976][ T6902] [ 260.617285][ T5863] [ 260.617285][ T5863] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 260.617285][ T5863] [ 260.619701][ T6902] Allocated by task 6895: [ 260.619714][ T6902] kasan_save_track+0x3e/0x80 [ 260.619743][ T6902] __kasan_slab_alloc+0x6c/0x80 [ 260.619758][ T6902] kmem_cache_alloc_lru_noprof+0x1c6/0x3d0 [ 260.619777][ T6902] jfs_alloc_inode+0x28/0x70 [ 260.619795][ T6902] alloc_inode+0x67/0x1b0 [ 260.619810][ T6902] iget_locked+0xf0/0x570 [ 260.619827][ T6902] jfs_iget+0x24/0x3e0 [ 260.619846][ T6902] jfs_lookup+0x1c5/0x380 [ 260.619868][ T6902] __lookup_slow+0x297/0x3d0 [ 260.619890][ T6902] lookup_slow+0x53/0x70 [ 260.619911][ T6902] walk_component+0x2d2/0x400 [ 260.619932][ T6902] path_lookupat+0x163/0x430 [ 260.619953][ T6902] filename_lookup+0x212/0x570 [ 260.619974][ T6902] user_path_at+0x3a/0x60 [ 260.959784][ T6902] __se_sys_chdir+0x91/0x280 [ 260.964378][ T6902] do_syscall_64+0xfa/0x3b0 [ 260.968876][ T6902] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 260.974771][ T6902] [ 260.977089][ T6902] The buggy address belongs to the object at ffff88806f0ae568 [ 260.977089][ T6902] which belongs to the cache jfs_ip of size 2232 [ 260.990795][ T6902] The buggy address is located 20 bytes to the right of [ 260.990795][ T6902] allocated 2232-byte region [ffff88806f0ae568, ffff88806f0aee20) [ 261.005467][ T6902] [ 261.007787][ T6902] The buggy address belongs to the physical page: [ 261.014201][ T6902] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x6f0a8 [ 261.022978][ T6902] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 261.031471][ T6902] ksm flags: 0xfff00000000040(head|node=0|zone=1|lastcpupid=0x7ff) [ 261.039370][ T6902] page_type: f5(slab) [ 261.043345][ T6902] raw: 00fff00000000040 ffff88801df56280 ffffea0001702400 dead000000000003 [ 261.051921][ T6902] raw: 0000000000000000 00000000000d000d 00000000f5000000 0000000000000000 [ 261.060499][ T6902] head: 00fff00000000040 ffff88801df56280 ffffea0001702400 dead000000000003 [ 261.069162][ T6902] head: 0000000000000000 00000000000d000d 00000000f5000000 0000000000000000 [ 261.077848][ T6902] head: 00fff00000000003 ffffea0001bc2a01 00000000ffffffff 00000000ffffffff [ 261.086516][ T6902] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000008 [ 261.095175][ T6902] page dumped because: kasan: bad access detected [ 261.101583][ T6902] page_owner tracks the page as allocated [ 261.107304][ T6902] page last allocated via order 3, migratetype Reclaimable, gfp_mask 0xd2050(__GFP_RECLAIMABLE|__GFP_IO|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 5990, tgid 5989 (syz-executor296), ts 138899323782, free_ts 137422458059 [ 261.130069][ T6902] post_alloc_hook+0x240/0x2a0 [ 261.134840][ T6902] get_page_from_freelist+0x21d5/0x22b0 [ 261.140389][ T6902] __alloc_frozen_pages_noprof+0x181/0x370 [ 261.146195][ T6902] alloc_pages_mpol+0x232/0x4a0 [ 261.151038][ T6902] allocate_slab+0x8a/0x3b0 [ 261.155550][ T6902] ___slab_alloc+0xbfc/0x1480 [ 261.160241][ T6902] kmem_cache_alloc_lru_noprof+0x288/0x3d0 [ 261.166059][ T6902] jfs_alloc_inode+0x28/0x70 [ 261.170654][ T6902] alloc_inode+0x67/0x1b0 [ 261.174978][ T6902] new_inode+0x22/0x170 [ 261.179128][ T6902] ialloc+0x4c/0x8f0 [ 261.183024][ T6902] jfs_create+0x18d/0xa80 [ 261.187355][ T6902] path_openat+0x14f4/0x3830 [ 261.191947][ T6902] do_filp_open+0x1fa/0x410 [ 261.196454][ T6902] do_sys_openat2+0x121/0x1c0 [ 261.201129][ T6902] __x64_sys_open+0x11e/0x150 [ 261.205803][ T6902] page last free pid 5877 tgid 5877 stack trace: [ 261.212119][ T6902] __free_frozen_pages+0xc65/0xe60 [ 261.217228][ T6902] __put_partials+0x161/0x1c0 [ 261.221901][ T6902] put_cpu_partial+0x17c/0x250 [ 261.226662][ T6902] __slab_free+0x2f7/0x400 [ 261.231072][ T6902] qlist_free_all+0x97/0x140 [ 261.235662][ T6902] kasan_quarantine_reduce+0x148/0x160 [ 261.241119][ T6902] __kasan_slab_alloc+0x22/0x80 [ 261.245961][ T6902] kmem_cache_alloc_noprof+0x1c1/0x3c0 [ 261.251415][ T6902] getname_flags+0xb8/0x540 [ 261.255910][ T6902] do_sys_openat2+0xbc/0x1c0 [ 261.260496][ T6902] __x64_sys_openat+0x138/0x170 [ 261.265344][ T6902] do_syscall_64+0xfa/0x3b0 [ 261.269843][ T6902] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 261.275731][ T6902] [ 261.278044][ T6902] Memory state around the buggy address: [ 261.283666][ T6902] ffff88806f0aed00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 261.291722][ T6902] ffff88806f0aed80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 261.299775][ T6902] >ffff88806f0aee00: 00 00 00 00 fc fc fc fc fc fc fc fc fc fc fc fc [ 261.307851][ T6902] ^ [ 261.313829][ T6902] ffff88806f0aee80: fc fc fc fc 00 00 00 00 00 00 00 00 00 00 00 00 [ 261.321884][ T6902] ffff88806f0aef00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 261.330028][ T6902] ================================================================== [ 261.355558][ T6902] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 261.362816][ T6902] CPU: 1 UID: 0 PID: 6902 Comm: syz-executor296 Not tainted 6.16.0-rc7-syzkaller-00105-g2942242dde89 #0 PREEMPT(full) [ 261.375246][ T6902] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 261.385319][ T6902] Call Trace: [ 261.388603][ T6902] [ 261.391548][ T6902] dump_stack_lvl+0x99/0x250 [ 261.396158][ T6902] ? __asan_memcpy+0x40/0x70 [ 261.401016][ T6902] ? __pfx_dump_stack_lvl+0x10/0x10 [ 261.406226][ T6902] ? __pfx__printk+0x10/0x10 [ 261.410833][ T6902] panic+0x2db/0x790 [ 261.414740][ T6902] ? __pfx_preempt_schedule+0x10/0x10 [ 261.420128][ T6902] ? __pfx_panic+0x10/0x10 [ 261.424572][ T6902] ? _raw_spin_unlock_irqrestore+0xfd/0x110 [ 261.430492][ T6902] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 261.436855][ T6902] ? dtInsertEntry+0xe9a/0x1430 [ 261.441729][ T6902] check_panic_on_warn+0x89/0xb0 [ 261.446688][ T6902] ? dtInsertEntry+0xe9a/0x1430 [ 261.451561][ T6902] end_report+0x78/0x160 [ 261.455817][ T6902] kasan_report+0x129/0x150 [ 261.460327][ T6902] ? lockdep_hardirqs_on+0x9c/0x150 [ 261.465551][ T6902] ? dtInsertEntry+0xe9a/0x1430 [ 261.470412][ T6902] dtInsertEntry+0xe9a/0x1430 [ 261.475101][ T6902] dtSplitPage+0x2a83/0x3b20 [ 261.479717][ T6902] dtInsert+0x109b/0x5f40 [ 261.484053][ T6902] ? kasan_quarantine_put+0xdd/0x220 [ 261.489339][ T6902] ? lockdep_hardirqs_on+0x9c/0x150 [ 261.494563][ T6902] ? __pfx_dtInsert+0x10/0x10 [ 261.499238][ T6902] ? dtSearch+0x1d29/0x21b0 [ 261.503754][ T6902] jfs_mknod+0x640/0x960 [ 261.508005][ T6902] ? __pfx_jfs_mknod+0x10/0x10 [ 261.512780][ T6902] ? devcgroup_check_permission+0x2f/0x950 [ 261.518603][ T6902] ? devcgroup_check_permission+0x2f/0x950 [ 261.524426][ T6902] ? bpf_lsm_inode_mknod+0x9/0x20 [ 261.529452][ T6902] ? security_inode_mknod+0xc2/0x360 [ 261.534739][ T6902] vfs_mknod+0x37c/0x3c0 [ 261.538995][ T6902] do_mknodat+0x385/0x4d0 [ 261.543328][ T6902] ? __pfx_do_mknodat+0x10/0x10 [ 261.548184][ T6902] ? getname_flags+0x1e5/0x540 [ 261.552953][ T6902] __x64_sys_mknod+0x8c/0xa0 [ 261.557550][ T6902] do_syscall_64+0xfa/0x3b0 [ 261.562051][ T6902] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 261.568112][ T6902] ? __switch_to_asm+0x39/0x70 [ 261.572875][ T6902] ? clear_bhb_loop+0x60/0xb0 [ 261.577547][ T6902] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 261.583438][ T6902] RIP: 0033:0x7f46d9f8ccc9 [ 261.587849][ T6902] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 261.607537][ T6902] RSP: 002b:00007f46d9f20218 EFLAGS: 00000246 ORIG_RAX: 0000000000000085 [ 261.615952][ T6902] RAX: ffffffffffffffda RBX: 00007f46da01a6b8 RCX: 00007f46d9f8ccc9 [ 261.623918][ T6902] RDX: 0000000000000707 RSI: 0000000000002000 RDI: 0000200000000780 [ 261.631883][ T6902] RBP: 00007f46da01a6b0 R08: 00007ffcd9e5c097 R09: 0000000000000000 [ 261.639849][ T6902] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f46d9fe7468 [ 261.647817][ T6902] R13: 0000200000000300 R14: 0000200000000780 R15: 0031656c69662f2e [ 261.655880][ T6902] [ 261.659238][ T6902] Kernel Offset: disabled [ 261.663559][ T6902] Rebooting in 86400 seconds..