Attachment 609013 Details for Bug 853674 – strace -f ./testumount.sh >testumount.txt 2>&1

strace -f ./testumount.sh >testumount.txt 2>&1

testumount.txt (text/plain), 60.72 KB, created by Zhou Zheng Sheng on 2012-09-02 04:03:54 UTC

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Creator: Zhou Zheng Sheng

Created: 2012-09-02 04:03:54 UTC

Size: 60.72 KB

patch

obsolete

>execve("./testumount.sh", ["./testumount.sh"], [/* 52 vars */]) = 0
>brk(0)                                  = 0x1cde000
>mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3ca8a25000
>access("/etc/ld.so.preload", R_OK)      = -1 ENOENT (No such file or directory)
>open("/etc/ld.so.cache", O_RDONLY|O_CLOEXEC) = 3
>fstat(3, {st_mode=S_IFREG|0644, st_size=142535, ...}) = 0
>mmap(NULL, 142535, PROT_READ, MAP_PRIVATE, 3, 0) = 0x7f3ca8a02000
>close(3)                                = 0
>open("/lib64/libtinfo.so.5", O_RDONLY|O_CLOEXEC) = 3
>read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\220\315\340\2464\0\0\0"..., 832) = 832
>fstat(3, {st_mode=S_IFREG|0755, st_size=170040, ...}) = 0
>mmap(0x34a6e00000, 2264768, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x34a6e00000
>mprotect(0x34a6e25000, 2093056, PROT_NONE) = 0
>mmap(0x34a7024000, 20480, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x24000) = 0x34a7024000
>close(3)                                = 0
>open("/lib64/libdl.so.2", O_RDONLY|O_CLOEXEC) = 3
>read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\240\16\340\2254\0\0\0"..., 832) = 832
>fstat(3, {st_mode=S_IFREG|0755, st_size=22480, ...}) = 0
>mmap(0x3495e00000, 2109704, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x3495e00000
>mprotect(0x3495e03000, 2093056, PROT_NONE) = 0
>mmap(0x3496002000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x2000) = 0x3496002000
>close(3)                                = 0
>open("/lib64/libc.so.6", O_RDONLY|O_CLOEXEC) = 3
>read(3, "\177ELF\2\1\1\3\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0@\30\"\2254\0\0\0"..., 832) = 832
>fstat(3, {st_mode=S_IFREG|0755, st_size=2065544, ...}) = 0
>mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3ca8a01000
>mmap(0x3495200000, 3892376, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x3495200000
>mprotect(0x34953ac000, 2097152, PROT_NONE) = 0
>mmap(0x34955ac000, 24576, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1ac000) = 0x34955ac000
>mmap(0x34955b2000, 17560, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x34955b2000
>close(3)                                = 0
>mmap(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3ca89ff000
>arch_prctl(ARCH_SET_FS, 0x7f3ca89ff740) = 0
>mprotect(0x6d9000, 4096, PROT_READ)     = 0
>mprotect(0x34a7024000, 16384, PROT_READ) = 0
>mprotect(0x3496002000, 4096, PROT_READ) = 0
>mprotect(0x34955ac000, 16384, PROT_READ) = 0
>mprotect(0x349501f000, 4096, PROT_READ) = 0
>munmap(0x7f3ca8a02000, 142535)          = 0
>rt_sigprocmask(SIG_BLOCK, NULL, [], 8)  = 0
>open("/dev/tty", O_RDWR|O_NONBLOCK)     = 3
>close(3)                                = 0
>brk(0)                                  = 0x1cde000
>brk(0)                                  = 0x1cde000
>brk(0x1cff000)                          = 0x1cff000
>brk(0)                                  = 0x1cff000
>getuid()                                = 0
>getgid()                                = 0
>geteuid()                               = 0
>getegid()                               = 0
>rt_sigprocmask(SIG_BLOCK, NULL, [], 8)  = 0
>open("/proc/meminfo", O_RDONLY|O_CLOEXEC) = 3
>fstat(3, {st_mode=S_IFREG|0444, st_size=0, ...}) = 0
>mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3ca8a24000
>read(3, "MemTotal:        8059112 kB\nMemF"..., 1024) = 1024
>close(3)                                = 0
>munmap(0x7f3ca8a24000, 4096)            = 0
>rt_sigaction(SIGCHLD, {SIG_DFL, [], SA_RESTORER|SA_RESTART, 0x34952359a0}, {SIG_DFL, [], 0}, 8) = 0
>rt_sigaction(SIGCHLD, {SIG_DFL, [], SA_RESTORER|SA_RESTART, 0x34952359a0}, {SIG_DFL, [], SA_RESTORER|SA_RESTART, 0x34952359a0}, 8) = 0
>rt_sigaction(SIGINT, {SIG_DFL, [], SA_RESTORER, 0x34952359a0}, {SIG_DFL, [], 0}, 8) = 0
>rt_sigaction(SIGINT, {SIG_DFL, [], SA_RESTORER, 0x34952359a0}, {SIG_DFL, [], SA_RESTORER, 0x34952359a0}, 8) = 0
>rt_sigaction(SIGQUIT, {SIG_DFL, [], SA_RESTORER, 0x34952359a0}, {SIG_DFL, [], 0}, 8) = 0
>rt_sigaction(SIGQUIT, {SIG_DFL, [], SA_RESTORER, 0x34952359a0}, {SIG_DFL, [], SA_RESTORER, 0x34952359a0}, 8) = 0
>rt_sigprocmask(SIG_BLOCK, NULL, [], 8)  = 0
>rt_sigaction(SIGQUIT, {SIG_IGN, [], SA_RESTORER, 0x34952359a0}, {SIG_DFL, [], SA_RESTORER, 0x34952359a0}, 8) = 0
>uname({sys="Linux", node="zhshzhouf17", ...}) = 0
>stat("/home/edward/src", {st_mode=S_IFDIR|0775, st_size=4096, ...}) = 0
>stat(".", {st_mode=S_IFDIR|0775, st_size=4096, ...}) = 0
>getpid()                                = 7723
>getppid()                               = 7719
>getpgrp()                               = 7719
>rt_sigaction(SIGCHLD, {0x4411c0, [], SA_RESTORER|SA_RESTART, 0x34952359a0}, {SIG_DFL, [], SA_RESTORER|SA_RESTART, 0x34952359a0}, 8) = 0
>getrlimit(RLIMIT_NPROC, {rlim_cur=1024, rlim_max=62691}) = 0
>rt_sigprocmask(SIG_BLOCK, NULL, [], 8)  = 0
>open("./testumount.sh", O_RDONLY)       = 3
>ioctl(3, SNDCTL_TMR_TIMEBASE or SNDRV_TIMER_IOCTL_NEXT_DEVICE or TCGETS, 0x7fff151223b0) = -1 ENOTTY (Inappropriate ioctl for device)
>lseek(3, 0, SEEK_CUR)                   = 0
>read(3, "#!/usr/bin/bash\nmkdir tmpMount\n/"..., 80) = 80
>lseek(3, 0, SEEK_SET)                   = 0
>getrlimit(RLIMIT_NOFILE, {rlim_cur=1024, rlim_max=4*1024}) = 0
>fcntl(255, F_GETFD)                     = -1 EBADF (Bad file descriptor)
>dup2(3, 255)                            = 255
>close(3)                                = 0
>fcntl(255, F_SETFD, FD_CLOEXEC)         = 0
>fcntl(255, F_GETFL)                     = 0x8000 (flags O_RDONLY|O_LARGEFILE)
>fstat(255, {st_mode=S_IFREG|0775, st_size=430, ...}) = 0
>lseek(255, 0, SEEK_CUR)                 = 0
>rt_sigprocmask(SIG_BLOCK, NULL, [], 8)  = 0
>read(255, "#!/usr/bin/bash\nmkdir tmpMount\n/"..., 430) = 430
>rt_sigprocmask(SIG_BLOCK, NULL, [], 8)  = 0
>stat(".", {st_mode=S_IFDIR|0775, st_size=4096, ...}) = 0
>stat("/usr/lib64/qt-3.3/bin/mkdir", 0x7fff15122060) = -1 ENOENT (No such file or directory)
>stat("/usr/lib64/ccache/mkdir", 0x7fff15122060) = -1 ENOENT (No such file or directory)
>stat("/usr/local/bin/mkdir", 0x7fff15122060) = -1 ENOENT (No such file or directory)
>stat("/usr/bin/mkdir", {st_mode=S_IFREG|0755, st_size=51760, ...}) = 0
>stat("/usr/bin/mkdir", {st_mode=S_IFREG|0755, st_size=51760, ...}) = 0
>geteuid()                               = 0
>getegid()                               = 0
>getuid()                                = 0
>getgid()                                = 0
>access("/usr/bin/mkdir", X_OK)          = 0
>stat("/usr/bin/mkdir", {st_mode=S_IFREG|0755, st_size=51760, ...}) = 0
>geteuid()                               = 0
>getegid()                               = 0
>getuid()                                = 0
>getgid()                                = 0
>access("/usr/bin/mkdir", R_OK)          = 0
>stat("/usr/bin/mkdir", {st_mode=S_IFREG|0755, st_size=51760, ...}) = 0
>stat("/usr/bin/mkdir", {st_mode=S_IFREG|0755, st_size=51760, ...}) = 0
>geteuid()                               = 0
>getegid()                               = 0
>getuid()                                = 0
>getgid()                                = 0
>access("/usr/bin/mkdir", X_OK)          = 0
>stat("/usr/bin/mkdir", {st_mode=S_IFREG|0755, st_size=51760, ...}) = 0
>geteuid()                               = 0
>getegid()                               = 0
>getuid()                                = 0
>getgid()                                = 0
>access("/usr/bin/mkdir", R_OK)          = 0
>rt_sigprocmask(SIG_BLOCK, [INT CHLD], [], 8) = 0
>lseek(255, -399, SEEK_CUR)              = 31
>clone(Process 7724 attached
>child_stack=0, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x7f3ca89ffa10) = 7724
>[pid  7723] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
>[pid  7724] close(255 <unfinished ...>
>[pid  7723] <... rt_sigprocmask resumed> NULL, 8) = 0
>[pid  7724] <... close resumed> )       = 0
>[pid  7723] rt_sigprocmask(SIG_BLOCK, [CHLD],  <unfinished ...>
>[pid  7724] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
>[pid  7723] <... rt_sigprocmask resumed> [], 8) = 0
>[pid  7724] <... rt_sigprocmask resumed> NULL, 8) = 0
>[pid  7723] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
>[pid  7724] rt_sigaction(SIGTSTP, {SIG_DFL, [], SA_RESTORER, 0x34952359a0},  <unfinished ...>
>[pid  7723] <... rt_sigprocmask resumed> NULL, 8) = 0
>[pid  7724] <... rt_sigaction resumed> {SIG_DFL, [], 0}, 8) = 0
>[pid  7723] rt_sigprocmask(SIG_BLOCK, [CHLD],  <unfinished ...>
>[pid  7724] rt_sigaction(SIGTTIN, {SIG_DFL, [], SA_RESTORER, 0x34952359a0},  <unfinished ...>
>[pid  7723] <... rt_sigprocmask resumed> [], 8) = 0
>[pid  7724] <... rt_sigaction resumed> {SIG_DFL, [], 0}, 8) = 0
>[pid  7723] rt_sigaction(SIGINT, {0x43e760, [], SA_RESTORER, 0x34952359a0},  <unfinished ...>
>[pid  7724] rt_sigaction(SIGTTOU, {SIG_DFL, [], SA_RESTORER, 0x34952359a0},  <unfinished ...>
>[pid  7723] <... rt_sigaction resumed> {SIG_DFL, [], SA_RESTORER, 0x34952359a0}, 8) = 0
>[pid  7724] <... rt_sigaction resumed> {SIG_DFL, [], 0}, 8) = 0
>[pid  7723] wait4(-1,  <unfinished ...>
>[pid  7724] rt_sigaction(SIGINT, {SIG_DFL, [], SA_RESTORER, 0x34952359a0}, {SIG_DFL, [], SA_RESTORER, 0x34952359a0}, 8) = 0
>[pid  7724] rt_sigaction(SIGQUIT, {SIG_DFL, [], SA_RESTORER, 0x34952359a0}, {SIG_IGN, [], SA_RESTORER, 0x34952359a0}, 8) = 0
>[pid  7724] rt_sigaction(SIGCHLD, {SIG_DFL, [], SA_RESTORER|SA_RESTART, 0x34952359a0}, {0x4411c0, [], SA_RESTORER|SA_RESTART, 0x34952359a0}, 8) = 0
>[pid  7724] execve("/usr/bin/mkdir", ["mkdir", "tmpMount"], [/* 52 vars */]) = 0
>[pid  7724] brk(0)                      = 0x2595000
>[pid  7724] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fab244bf000
>[pid  7724] access("/etc/ld.so.preload", R_OK) = -1 ENOENT (No such file or directory)
>[pid  7724] open("/etc/ld.so.cache", O_RDONLY|O_CLOEXEC) = 3
>[pid  7724] fstat(3, {st_mode=S_IFREG|0644, st_size=142535, ...}) = 0
>[pid  7724] mmap(NULL, 142535, PROT_READ, MAP_PRIVATE, 3, 0) = 0x7fab2449c000
>[pid  7724] close(3)                    = 0
>[pid  7724] open("/lib64/libselinux.so.1", O_RDONLY|O_CLOEXEC) = 3
>[pid  7724] read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\300_\240\2264\0\0\0"..., 832) = 832
>[pid  7724] fstat(3, {st_mode=S_IFREG|0755, st_size=128888, ...}) = 0
>[pid  7724] mmap(0x3496a00000, 2230304, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x3496a00000
>[pid  7724] mprotect(0x3496a1e000, 2093056, PROT_NONE) = 0
>[pid  7724] mmap(0x3496c1d000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1d000) = 0x3496c1d000
>[pid  7724] mmap(0x3496c1f000, 6176, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x3496c1f000
>[pid  7724] close(3)                    = 0
>[pid  7724] open("/lib64/libc.so.6", O_RDONLY|O_CLOEXEC) = 3
>[pid  7724] read(3, "\177ELF\2\1\1\3\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0@\30\"\2254\0\0\0"..., 832) = 832
>[pid  7724] fstat(3, {st_mode=S_IFREG|0755, st_size=2065544, ...}) = 0
>[pid  7724] mmap(0x3495200000, 3892376, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x3495200000
>[pid  7724] mprotect(0x34953ac000, 2097152, PROT_NONE) = 0
>[pid  7724] mmap(0x34955ac000, 24576, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1ac000) = 0x34955ac000
>[pid  7724] mmap(0x34955b2000, 17560, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x34955b2000
>[pid  7724] close(3)                    = 0
>[pid  7724] open("/lib64/libdl.so.2", O_RDONLY|O_CLOEXEC) = 3
>[pid  7724] read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\240\16\340\2254\0\0\0"..., 832) = 832
>[pid  7724] fstat(3, {st_mode=S_IFREG|0755, st_size=22480, ...}) = 0
>[pid  7724] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fab2449b000
>[pid  7724] mmap(0x3495e00000, 2109704, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x3495e00000
>[pid  7724] mprotect(0x3495e03000, 2093056, PROT_NONE) = 0
>[pid  7724] mmap(0x3496002000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x2000) = 0x3496002000
>[pid  7724] close(3)                    = 0
>[pid  7724] mmap(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fab24499000
>[pid  7724] arch_prctl(ARCH_SET_FS, 0x7fab24499800) = 0
>[pid  7724] mprotect(0x60a000, 4096, PROT_READ) = 0
>[pid  7724] mprotect(0x3496c1d000, 4096, PROT_READ) = 0
>[pid  7724] mprotect(0x34955ac000, 16384, PROT_READ) = 0
>[pid  7724] mprotect(0x3496002000, 4096, PROT_READ) = 0
>[pid  7724] mprotect(0x349501f000, 4096, PROT_READ) = 0
>[pid  7724] munmap(0x7fab2449c000, 142535) = 0
>[pid  7724] statfs("/sys/fs/selinux", {f_type=0xf97cff8c, f_bsize=4096, f_blocks=0, f_bfree=0, f_bavail=0, f_files=0, f_ffree=0, f_fsid={0, 0}, f_namelen=255, f_frsize=4096}) = 0
>[pid  7724] statfs("/sys/fs/selinux", {f_type=0xf97cff8c, f_bsize=4096, f_blocks=0, f_bfree=0, f_bavail=0, f_files=0, f_ffree=0, f_fsid={0, 0}, f_namelen=255, f_frsize=4096}) = 0
>[pid  7724] stat("/sys/fs/selinux", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
>[pid  7724] brk(0)                      = 0x2595000
>[pid  7724] brk(0x25b6000)              = 0x25b6000
>[pid  7724] mkdir("tmpMount", 0777)     = -1 EEXIST (File exists)
>[pid  7724] write(2, "mkdir: ", 7mkdir: )      = 7
>[pid  7724] write(2, "cannot create directory `tmpMoun"..., 34cannot create directory `tmpMount') = 34
>[pid  7724] write(2, ": File exists", 13: File exists) = 13
>[pid  7724] write(2, "\n", 1
>)           = 1
>[pid  7724] close(1)                    = 0
>[pid  7724] close(2)                    = 0
>[pid  7724] exit_group(1)               = ?
>[pid  7724] +++ exited with 1 +++
><... wait4 resumed> [{WIFEXITED(s) && WEXITSTATUS(s) == 1}], 0, NULL) = 7724
>rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
>--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7724, si_status=1, si_utime=0, si_stime=0} ---
>wait4(-1, 0x7fff15121bd8, WNOHANG, NULL) = -1 ECHILD (No child processes)
>rt_sigreturn()                          = 0
>rt_sigaction(SIGINT, {SIG_DFL, [], SA_RESTORER, 0x34952359a0}, {0x43e760, [], SA_RESTORER, 0x34952359a0}, 8) = 0
>rt_sigprocmask(SIG_BLOCK, NULL, [], 8)  = 0
>read(255, "/usr/sbin/mkfs.msdos -C floppy.i"..., 430) = 399
>rt_sigprocmask(SIG_BLOCK, [INT CHLD], [], 8) = 0
>lseek(255, -359, SEEK_CUR)              = 71
>clone(Process 7725 attached
>child_stack=0, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x7f3ca89ffa10) = 7725
>[pid  7723] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
>[pid  7725] close(255 <unfinished ...>
>[pid  7723] <... rt_sigprocmask resumed> NULL, 8) = 0
>[pid  7725] <... close resumed> )       = 0
>[pid  7723] rt_sigprocmask(SIG_BLOCK, [CHLD],  <unfinished ...>
>[pid  7725] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
>[pid  7723] <... rt_sigprocmask resumed> [], 8) = 0
>[pid  7725] <... rt_sigprocmask resumed> NULL, 8) = 0
>[pid  7723] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
>[pid  7725] rt_sigaction(SIGTSTP, {SIG_DFL, [], SA_RESTORER, 0x34952359a0},  <unfinished ...>
>[pid  7723] <... rt_sigprocmask resumed> NULL, 8) = 0
>[pid  7725] <... rt_sigaction resumed> {SIG_DFL, [], 0}, 8) = 0
>[pid  7723] rt_sigprocmask(SIG_BLOCK, [CHLD],  <unfinished ...>
>[pid  7725] rt_sigaction(SIGTTIN, {SIG_DFL, [], SA_RESTORER, 0x34952359a0},  <unfinished ...>
>[pid  7723] <... rt_sigprocmask resumed> [], 8) = 0
>[pid  7725] <... rt_sigaction resumed> {SIG_DFL, [], 0}, 8) = 0
>[pid  7723] rt_sigaction(SIGINT, {0x43e760, [], SA_RESTORER, 0x34952359a0},  <unfinished ...>
>[pid  7725] rt_sigaction(SIGTTOU, {SIG_DFL, [], SA_RESTORER, 0x34952359a0},  <unfinished ...>
>[pid  7723] <... rt_sigaction resumed> {SIG_DFL, [], SA_RESTORER, 0x34952359a0}, 8) = 0
>[pid  7725] <... rt_sigaction resumed> {SIG_DFL, [], 0}, 8) = 0
>[pid  7723] wait4(-1,  <unfinished ...>
>[pid  7725] rt_sigaction(SIGINT, {SIG_DFL, [], SA_RESTORER, 0x34952359a0}, {SIG_DFL, [], SA_RESTORER, 0x34952359a0}, 8) = 0
>[pid  7725] rt_sigaction(SIGQUIT, {SIG_DFL, [], SA_RESTORER, 0x34952359a0}, {SIG_IGN, [], SA_RESTORER, 0x34952359a0}, 8) = 0
>[pid  7725] rt_sigaction(SIGCHLD, {SIG_DFL, [], SA_RESTORER|SA_RESTART, 0x34952359a0}, {0x4411c0, [], SA_RESTORER|SA_RESTART, 0x34952359a0}, 8) = 0
>[pid  7725] execve("/usr/sbin/mkfs.msdos", ["/usr/sbin/mkfs.msdos", "-C", "floppy.img", "1440"], [/* 52 vars */]) = 0
>[pid  7725] brk(0)                      = 0x8e3000
>[pid  7725] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f54a2205000
>[pid  7725] access("/etc/ld.so.preload", R_OK) = -1 ENOENT (No such file or directory)
>[pid  7725] open("/etc/ld.so.cache", O_RDONLY|O_CLOEXEC) = 3
>[pid  7725] fstat(3, {st_mode=S_IFREG|0644, st_size=142535, ...}) = 0
>[pid  7725] mmap(NULL, 142535, PROT_READ, MAP_PRIVATE, 3, 0) = 0x7f54a21e2000
>[pid  7725] close(3)                    = 0
>[pid  7725] open("/lib64/libc.so.6", O_RDONLY|O_CLOEXEC) = 3
>[pid  7725] read(3, "\177ELF\2\1\1\3\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0@\30\"\2254\0\0\0"..., 832) = 832
>[pid  7725] fstat(3, {st_mode=S_IFREG|0755, st_size=2065544, ...}) = 0
>[pid  7725] mmap(0x3495200000, 3892376, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x3495200000
>[pid  7725] mprotect(0x34953ac000, 2097152, PROT_NONE) = 0
>[pid  7725] mmap(0x34955ac000, 24576, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1ac000) = 0x34955ac000
>[pid  7725] mmap(0x34955b2000, 17560, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x34955b2000
>[pid  7725] close(3)                    = 0
>[pid  7725] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f54a21e1000
>[pid  7725] mmap(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f54a21df000
>[pid  7725] arch_prctl(ARCH_SET_FS, 0x7f54a21df740) = 0
>[pid  7725] mprotect(0x34955ac000, 16384, PROT_READ) = 0
>[pid  7725] mprotect(0x349501f000, 4096, PROT_READ) = 0
>[pid  7725] munmap(0x7f54a21e2000, 142535) = 0
>[pid  7725] fstat(1, {st_mode=S_IFREG|0644, st_size=17828, ...}) = 0
>[pid  7725] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f54a2204000
>[pid  7725] open("floppy.img", O_RDWR|O_CREAT|O_EXCL|O_TRUNC, 0666) = 3
>[pid  7725] lseek(3, 1474559, SEEK_SET) = 1474559
>[pid  7725] write(3, "\0", 1)           = 1
>[pid  7725] lseek(3, 0, SEEK_SET)       = 0
>[pid  7725] fstat(3, {st_mode=S_IFREG|0644, st_size=1474560, ...}) = 0
>[pid  7725] ioctl(3, BLKSSZGET, 0x7fffe38a4c8c) = -1 ENOTTY (Inappropriate ioctl for device)
>[pid  7725] brk(0)                      = 0x8e3000
>[pid  7725] brk(0x904000)               = 0x904000
>[pid  7725] brk(0)                      = 0x904000
>[pid  7725] lseek(3, 0, SEEK_SET)       = 0
>[pid  7725] write(3, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 512) = 512
>[pid  7725] lseek(3, 0, SEEK_SET)       = 0
>[pid  7725] write(3, "\353<\220mkdosfs\0\0\2\1\1\0\2\340\0@\v\360\t\0\22\0\2\0\0\0\0\0"..., 512) = 512
>[pid  7725] lseek(3, 512, SEEK_SET)     = 512
>[pid  7725] write(3, "\360\377\377\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 512) = 512
>[pid  7725] write(3, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 512) = 512
>[pid  7725] write(3, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 512) = 512
>[pid  7725] write(3, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 512) = 512
>[pid  7725] write(3, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 512) = 512
>[pid  7725] write(3, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 512) = 512
>[pid  7725] write(3, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 512) = 512
>[pid  7725] write(3, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 512) = 512
>[pid  7725] write(3, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 512) = 512
>[pid  7725] write(3, "\360\377\377\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 512) = 512
>[pid  7725] write(3, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 512) = 512
>[pid  7725] write(3, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 512) = 512
>[pid  7725] write(3, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 512) = 512
>[pid  7725] write(3, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 512) = 512
>[pid  7725] write(3, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 512) = 512
>[pid  7725] write(3, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 512) = 512
>[pid  7725] write(3, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 512) = 512
>[pid  7725] write(3, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 512) = 512
>[pid  7725] write(3, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 7168) = 7168
>[pid  7725] write(1, "mkfs.msdos 3.0.12 (29 Oct 2011)\n", 32mkfs.msdos 3.0.12 (29 Oct 2011)
>) = 32
>[pid  7725] exit_group(0)               = ?
>[pid  7725] +++ exited with 0 +++
><... wait4 resumed> [{WIFEXITED(s) && WEXITSTATUS(s) == 0}], 0, NULL) = 7725
>rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
>--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7725, si_status=0, si_utime=0, si_stime=0} ---
>wait4(-1, 0x7fff15121bd8, WNOHANG, NULL) = -1 ECHILD (No child processes)
>rt_sigreturn()                          = 0
>rt_sigaction(SIGINT, {SIG_DFL, [], SA_RESTORER, 0x34952359a0}, {0x43e760, [], SA_RESTORER, 0x34952359a0}, 8) = 0
>rt_sigprocmask(SIG_BLOCK, NULL, [], 8)  = 0
>read(255, "/usr/bin/mount -o loop floppy.im"..., 430) = 359
>rt_sigprocmask(SIG_BLOCK, [INT CHLD], [], 8) = 0
>lseek(255, -316, SEEK_CUR)              = 114
>clone(Process 7726 attached
>child_stack=0, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x7f3ca89ffa10) = 7726
>[pid  7723] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
>[pid  7726] close(255)                  = 0
>[pid  7723] <... rt_sigprocmask resumed> NULL, 8) = 0
>[pid  7726] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
>[pid  7723] rt_sigprocmask(SIG_BLOCK, [CHLD],  <unfinished ...>
>[pid  7726] <... rt_sigprocmask resumed> NULL, 8) = 0
>[pid  7723] <... rt_sigprocmask resumed> [], 8) = 0
>[pid  7726] rt_sigaction(SIGTSTP, {SIG_DFL, [], SA_RESTORER, 0x34952359a0},  <unfinished ...>
>[pid  7723] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
>[pid  7726] <... rt_sigaction resumed> {SIG_DFL, [], 0}, 8) = 0
>[pid  7723] <... rt_sigprocmask resumed> NULL, 8) = 0
>[pid  7726] rt_sigaction(SIGTTIN, {SIG_DFL, [], SA_RESTORER, 0x34952359a0},  <unfinished ...>
>[pid  7723] rt_sigprocmask(SIG_BLOCK, [CHLD],  <unfinished ...>
>[pid  7726] <... rt_sigaction resumed> {SIG_DFL, [], 0}, 8) = 0
>[pid  7723] <... rt_sigprocmask resumed> [], 8) = 0
>[pid  7726] rt_sigaction(SIGTTOU, {SIG_DFL, [], SA_RESTORER, 0x34952359a0},  <unfinished ...>
>[pid  7723] rt_sigaction(SIGINT, {0x43e760, [], SA_RESTORER, 0x34952359a0},  <unfinished ...>
>[pid  7726] <... rt_sigaction resumed> {SIG_DFL, [], 0}, 8) = 0
>[pid  7723] <... rt_sigaction resumed> {SIG_DFL, [], SA_RESTORER, 0x34952359a0}, 8) = 0
>[pid  7726] rt_sigaction(SIGINT, {SIG_DFL, [], SA_RESTORER, 0x34952359a0},  <unfinished ...>
>[pid  7723] wait4(-1,  <unfinished ...>
>[pid  7726] <... rt_sigaction resumed> {SIG_DFL, [], SA_RESTORER, 0x34952359a0}, 8) = 0
>[pid  7726] rt_sigaction(SIGQUIT, {SIG_DFL, [], SA_RESTORER, 0x34952359a0}, {SIG_IGN, [], SA_RESTORER, 0x34952359a0}, 8) = 0
>[pid  7726] rt_sigaction(SIGCHLD, {SIG_DFL, [], SA_RESTORER|SA_RESTART, 0x34952359a0}, {0x4411c0, [], SA_RESTORER|SA_RESTART, 0x34952359a0}, 8) = 0
>[pid  7726] execve("/usr/bin/mount", ["/usr/bin/mount", "-o", "loop", "floppy.img", "tmpMount"], [/* 52 vars */]) = 0
>[pid  7726] brk(0)                      = 0x7f1ad1650000
>[pid  7726] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1ad0ef9000
>[pid  7726] access("/etc/ld.so.preload", R_OK) = -1 ENOENT (No such file or directory)
>[pid  7726] open("/etc/ld.so.cache", O_RDONLY|O_CLOEXEC) = 3
>[pid  7726] fstat(3, {st_mode=S_IFREG|0644, st_size=142535, ...}) = 0
>[pid  7726] mmap(NULL, 142535, PROT_READ, MAP_PRIVATE, 3, 0) = 0x7f1ad0ed6000
>[pid  7726] close(3)                    = 0
>[pid  7726] open("/lib64/libmount.so.1", O_RDONLY|O_CLOEXEC) = 3
>[pid  7726] read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\220x`\2254\0\0\0"..., 832) = 832
>[pid  7726] fstat(3, {st_mode=S_IFREG|0755, st_size=183096, ...}) = 0
>[pid  7726] mmap(NULL, 2275512, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f1ad0aaf000
>[pid  7726] mprotect(0x7f1ad0ad9000, 2097152, PROT_NONE) = 0
>[pid  7726] mmap(0x7f1ad0cd9000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x2a000) = 0x7f1ad0cd9000
>[pid  7726] close(3)                    = 0
>[pid  7726] open("/lib64/libblkid.so.1", O_RDONLY|O_CLOEXEC) = 3
>[pid  7726] read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\240j`\2404\0\0\0"..., 832) = 832
>[pid  7726] fstat(3, {st_mode=S_IFREG|0755, st_size=162496, ...}) = 0
>[pid  7726] mmap(NULL, 2255080, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f1ad0888000
>[pid  7726] mprotect(0x7f1ad08ac000, 2093056, PROT_NONE) = 0
>[pid  7726] mmap(0x7f1ad0aab000, 16384, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x23000) = 0x7f1ad0aab000
>[pid  7726] close(3)                    = 0
>[pid  7726] open("/lib64/libuuid.so.1", O_RDONLY|O_CLOEXEC) = 3
>[pid  7726] read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\320\26 \2354\0\0\0"..., 832) = 832
>[pid  7726] fstat(3, {st_mode=S_IFREG|0755, st_size=21696, ...}) = 0
>[pid  7726] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1ad0ed5000
>[pid  7726] mmap(NULL, 2113960, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f1ad0683000
>[pid  7726] mprotect(0x7f1ad0687000, 2093056, PROT_NONE) = 0
>[pid  7726] mmap(0x7f1ad0886000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x3000) = 0x7f1ad0886000
>[pid  7726] close(3)                    = 0
>[pid  7726] open("/lib64/libselinux.so.1", O_RDONLY|O_CLOEXEC) = 3
>[pid  7726] read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\300_\240\2264\0\0\0"..., 832) = 832
>[pid  7726] fstat(3, {st_mode=S_IFREG|0755, st_size=128888, ...}) = 0
>[pid  7726] mmap(NULL, 2230304, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f1ad0462000
>[pid  7726] mprotect(0x7f1ad0480000, 2093056, PROT_NONE) = 0
>[pid  7726] mmap(0x7f1ad067f000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1d000) = 0x7f1ad067f000
>[pid  7726] mmap(0x7f1ad0681000, 6176, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7f1ad0681000
>[pid  7726] close(3)                    = 0
>[pid  7726] open("/lib64/libsepol.so.1", O_RDONLY|O_CLOEXEC) = 3
>[pid  7726] read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\320@\240\2324\0\0\0"..., 832) = 832
>[pid  7726] fstat(3, {st_mode=S_IFREG|0755, st_size=267088, ...}) = 0
>[pid  7726] mmap(NULL, 2361600, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f1ad0221000
>[pid  7726] mprotect(0x7f1ad0261000, 2093056, PROT_NONE) = 0
>[pid  7726] mmap(0x7f1ad0460000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x3f000) = 0x7f1ad0460000
>[pid  7726] close(3)                    = 0
>[pid  7726] open("/lib64/libc.so.6", O_RDONLY|O_CLOEXEC) = 3
>[pid  7726] read(3, "\177ELF\2\1\1\3\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0@\30\"\2254\0\0\0"..., 832) = 832
>[pid  7726] fstat(3, {st_mode=S_IFREG|0755, st_size=2065544, ...}) = 0
>[pid  7726] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1ad0ed4000
>[pid  7726] mmap(NULL, 3892376, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f1acfe6a000
>[pid  7726] mprotect(0x7f1ad0016000, 2097152, PROT_NONE) = 0
>[pid  7726] mmap(0x7f1ad0216000, 24576, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1ac000) = 0x7f1ad0216000
>[pid  7726] mmap(0x7f1ad021c000, 17560, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7f1ad021c000
>[pid  7726] close(3)                    = 0
>[pid  7726] open("/lib64/libdl.so.2", O_RDONLY|O_CLOEXEC) = 3
>[pid  7726] read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\240\16\340\2254\0\0\0"..., 832) = 832
>[pid  7726] fstat(3, {st_mode=S_IFREG|0755, st_size=22480, ...}) = 0
>[pid  7726] mmap(NULL, 2109704, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f1acfc66000
>[pid  7726] mprotect(0x7f1acfc69000, 2093056, PROT_NONE) = 0
>[pid  7726] mmap(0x7f1acfe68000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x2000) = 0x7f1acfe68000
>[pid  7726] close(3)                    = 0
>[pid  7726] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1ad0ed3000
>[pid  7726] mmap(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1ad0ed1000
>[pid  7726] arch_prctl(ARCH_SET_FS, 0x7f1ad0ed1840) = 0
>[pid  7726] mprotect(0x7f1ad0216000, 16384, PROT_READ) = 0
>[pid  7726] mprotect(0x7f1acfe68000, 4096, PROT_READ) = 0
>[pid  7726] mprotect(0x7f1ad067f000, 4096, PROT_READ) = 0
>[pid  7726] mprotect(0x7f1ad0886000, 4096, PROT_READ) = 0
>[pid  7726] mprotect(0x7f1ad0aab000, 12288, PROT_READ) = 0
>[pid  7726] mprotect(0x7f1ad0cd9000, 4096, PROT_READ) = 0
>[pid  7726] mprotect(0x7f1ad1105000, 4096, PROT_READ) = 0
>[pid  7726] mprotect(0x7f1ad0efa000, 4096, PROT_READ) = 0
>[pid  7726] munmap(0x7f1ad0ed6000, 142535) = 0
>[pid  7726] statfs("/sys/fs/selinux", {f_type=0xf97cff8c, f_bsize=4096, f_blocks=0, f_bfree=0, f_bavail=0, f_files=0, f_ffree=0, f_fsid={0, 0}, f_namelen=255, f_frsize=4096}) = 0
>[pid  7726] statfs("/sys/fs/selinux", {f_type=0xf97cff8c, f_bsize=4096, f_blocks=0, f_bfree=0, f_bavail=0, f_files=0, f_ffree=0, f_fsid={0, 0}, f_namelen=255, f_frsize=4096}) = 0
>[pid  7726] stat("/sys/fs/selinux", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
>[pid  7726] brk(0)                      = 0x7f1ad1650000
>[pid  7726] brk(0x7f1ad1671000)         = 0x7f1ad1671000
>[pid  7726] getuid()                    = 0
>[pid  7726] geteuid()                   = 0
>[pid  7726] getuid()                    = 0
>[pid  7726] geteuid()                   = 0
>[pid  7726] getgid()                    = 0
>[pid  7726] getegid()                   = 0
>[pid  7726] prctl(PR_GET_DUMPABLE)      = 1
>[pid  7726] lstat("/etc/mtab", {st_mode=S_IFLNK|0777, st_size=12, ...}) = 0
>[pid  7726] getuid()                    = 0
>[pid  7726] geteuid()                   = 0
>[pid  7726] getgid()                    = 0
>[pid  7726] getegid()                   = 0
>[pid  7726] prctl(PR_GET_DUMPABLE)      = 1
>[pid  7726] stat("/run", {st_mode=S_IFDIR|0755, st_size=1600, ...}) = 0
>[pid  7726] lstat("/run/mount/utab", {st_mode=S_IFREG|0644, st_size=0, ...}) = 0
>[pid  7726] open("/run/mount/utab", O_RDWR|O_CREAT, 0644) = 3
>[pid  7726] close(3)                    = 0
>[pid  7726] gettid()                    = 7726
>[pid  7726] open("/proc/self/task/7726/attr/current", O_RDONLY) = 3
>[pid  7726] read(3, "unconfined_u:unconfined_r:unconf"..., 4095) = 54
>[pid  7726] close(3)                    = 0
>[pid  7726] getcwd("/home/edward/src", 4095) = 17
>[pid  7726] readlink("/home/edward/src/floppy.img", 0x7fffe3fd5c70, 4096) = -1 EINVAL (Invalid argument)
>[pid  7726] uname({sys="Linux", node="zhshzhouf17", ...}) = 0
>[pid  7726] stat("/dev/loop-control", {st_mode=S_IFCHR|0600, st_rdev=makedev(10, 237), ...}) = 0
>[pid  7726] lstat("/etc/mtab", {st_mode=S_IFLNK|0777, st_size=12, ...}) = 0
>[pid  7726] open("/proc/self/mountinfo", O_RDONLY) = 3
>[pid  7726] fstat(3, {st_mode=S_IFREG|0444, st_size=0, ...}) = 0
>[pid  7726] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1ad0ef8000
>[pid  7726] read(3, "15 22 0:3 / /proc rw,nosuid,node"..., 1024) = 1024
>[pid  7726] read(3, "gent,name=systemd\n27 25 0:21 / /"..., 1024) = 1024
>[pid  7726] read(3, "lbfs hugetlbfs rw,seclabel\n38 17"..., 1024) = 815
>[pid  7726] read(3, "", 1024)           = 0
>[pid  7726] close(3)                    = 0
>[pid  7726] munmap(0x7f1ad0ef8000, 4096) = 0
>[pid  7726] getuid()                    = 0
>[pid  7726] geteuid()                   = 0
>[pid  7726] getgid()                    = 0
>[pid  7726] getegid()                   = 0
>[pid  7726] prctl(PR_GET_DUMPABLE)      = 1
>[pid  7726] stat("/run", {st_mode=S_IFDIR|0755, st_size=1600, ...}) = 0
>[pid  7726] stat("/run/mount/utab", {st_mode=S_IFREG|0644, st_size=0, ...}) = 0
>[pid  7726] open("/run/mount/utab", O_RDONLY) = 3
>[pid  7726] fstat(3, {st_mode=S_IFREG|0644, st_size=0, ...}) = 0
>[pid  7726] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1ad0ef8000
>[pid  7726] read(3, "", 4096)           = 0
>[pid  7726] close(3)                    = 0
>[pid  7726] munmap(0x7f1ad0ef8000, 4096) = 0
>[pid  7726] getcwd("/home/edward/src", 4095) = 17
>[pid  7726] readlink("/home/edward/src/tmpMount", 0x7fffe3fd5990, 4096) = -1 EINVAL (Invalid argument)
>[pid  7726] open("/dev/loop-control", O_RDWR) = 3
>[pid  7726] ioctl(3, LOOP_CTL_GET_FREE) = 0
>[pid  7726] close(3)                    = 0
>[pid  7726] readlink("/home", 0x7fffe3fd59c0, 4096) = -1 EINVAL (Invalid argument)
>[pid  7726] readlink("/home/edward", 0x7fffe3fd59c0, 4096) = -1 EINVAL (Invalid argument)
>[pid  7726] readlink("/home/edward/src", 0x7fffe3fd59c0, 4096) = -1 EINVAL (Invalid argument)
>[pid  7726] readlink("/home/edward/src/floppy.img", 0x7fffe3fd59c0, 4096) = -1 EINVAL (Invalid argument)
>[pid  7726] open("/home/edward/src/floppy.img", O_RDWR) = 3
>[pid  7726] open("/dev/loop0", O_RDWR)  = 4
>[pid  7726] ioctl(4, LOOP_SET_FD, 0x3)  = 0
>[pid  7726] close(3)                    = 0
>[pid  7726] ioctl(4, LOOP_SET_STATUS64, {offset=0, number=0, flags=LO_FLAGS_AUTOCLEAR, file_name="/home/edward/src/floppy.img", ...}) = 0
>[pid  7726] stat("/dev/loop0", {st_mode=S_IFBLK|0660, st_rdev=makedev(7, 0), ...}) = 0
>[pid  7726] open("/sys/dev/block/7:0", O_RDONLY) = 3
>[pid  7726] openat(3, "loop/autoclear", O_RDONLY) = 5
>[pid  7726] fcntl(5, F_GETFL)           = 0x8000 (flags O_RDONLY|O_LARGEFILE)
>[pid  7726] fstat(5, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
>[pid  7726] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1ad0ef8000
>[pid  7726] lseek(5, 0, SEEK_CUR)       = 0
>[pid  7726] read(5, "1\n", 4096)        = 2
>[pid  7726] lseek(5, 1, SEEK_SET)       = 1
>[pid  7726] close(5)                    = 0
>[pid  7726] munmap(0x7f1ad0ef8000, 4096) = 0
>[pid  7726] openat(3, "ro", O_RDONLY)   = 5
>[pid  7726] fcntl(5, F_GETFL)           = 0x8000 (flags O_RDONLY|O_LARGEFILE)
>[pid  7726] fstat(5, {st_mode=S_IFREG|0444, st_size=4096, ...}) = 0
>[pid  7726] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1ad0ef8000
>[pid  7726] lseek(5, 0, SEEK_CUR)       = 0
>[pid  7726] read(5, "0\n", 4096)        = 2
>[pid  7726] lseek(5, 1, SEEK_SET)       = 1
>[pid  7726] close(5)                    = 0
>[pid  7726] munmap(0x7f1ad0ef8000, 4096) = 0
>[pid  7726] close(3)                    = 0
>[pid  7726] access("/dev/loop0", F_OK)  = 0
>[pid  7726] open("/dev/loop0", O_RDONLY) = 3
>[pid  7726] fadvise64(3, 0, 0, POSIX_FADV_RANDOM) = 0
>[pid  7726] fstat(3, {st_mode=S_IFBLK|0660, st_rdev=makedev(7, 0), ...}) = 0
>[pid  7726] uname({sys="Linux", node="zhshzhouf17", ...}) = 0
>[pid  7726] ioctl(3, BLKGETSIZE64, 1474560) = 0
>[pid  7726] lseek(3, 0, SEEK_SET)       = 0
>[pid  7726] read(3, "\353<\220mkdosfs\0\0\2\1\1\0\2\340\0@\v\360\t\0\22\0\2\0\0\0\0\0"..., 1024) = 1024
>[pid  7726] lseek(3, 9728, SEEK_SET)    = 9728
>[pid  7726] read(3, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0", 32) = 32
>[pid  7726] lseek(3, 15872, SEEK_SET)   = 15872
>[pid  7726] read(3, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 512) = 512
>[pid  7726] open("/sys/dev/block/7:0", O_RDONLY) = 5
>[pid  7726] newfstatat(5, "partition", 0x7fffe3fd6a20, 0) = -1 ENOENT (No such file or directory)
>[pid  7726] openat(5, "dm/uuid", O_RDONLY) = -1 ENOENT (No such file or directory)
>[pid  7726] close(5)                    = 0
>[pid  7726] close(3)                    = 0
>[pid  7726] stat("/sbin/mount.vfat", 0x7fffe3fd6c40) = -1 ENOENT (No such file or directory)
>[pid  7726] stat("/sbin/fs.d/mount.vfat", 0x7fffe3fd6c40) = -1 ENOENT (No such file or directory)
>[pid  7726] stat("/sbin/fs/mount.vfat", 0x7fffe3fd6c40) = -1 ENOENT (No such file or directory)
>[pid  7726] mount("/dev/loop0", "/home/edward/src/tmpMount", "vfat", MS_MGC_VAL, NULL) = 0
>[pid  7726] access("/home/edward/src/tmpMount", W_OK) = 0
>[pid  7726] close(4)                    = 0
>[pid  7726] exit_group(0)               = ?
>[pid  7726] +++ exited with 0 +++
><... wait4 resumed> [{WIFEXITED(s) && WEXITSTATUS(s) == 0}], 0, NULL) = 7726
>rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
>--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7726, si_status=0, si_utime=0, si_stime=0} ---
>wait4(-1, 0x7fff15121bd8, WNOHANG, NULL) = -1 ECHILD (No child processes)
>rt_sigreturn()                          = 0
>rt_sigaction(SIGINT, {SIG_DFL, [], SA_RESTORER, 0x34952359a0}, {0x43e760, [], SA_RESTORER, 0x34952359a0}, 8) = 0
>rt_sigprocmask(SIG_BLOCK, NULL, [], 8)  = 0
>read(255, "echo '123'>tmpMount/tst1.txt\nech"..., 430) = 316
>open("tmpMount/tst1.txt", O_WRONLY|O_CREAT|O_TRUNC, 0666) = 3
>fcntl(1, F_GETFD)                       = 0
>fcntl(1, F_DUPFD, 10)                   = 10
>fcntl(1, F_GETFD)                       = 0
>fcntl(10, F_SETFD, FD_CLOEXEC)          = 0
>dup2(3, 1)                              = 1
>close(3)                                = 0
>fstat(1, {st_mode=S_IFREG|0755, st_size=0, ...}) = 0
>mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3ca8a24000
>write(1, "123\n", 4)                    = 4
>dup2(10, 1)                             = 1
>fcntl(10, F_GETFD)                      = 0x1 (flags FD_CLOEXEC)
>close(10)                               = 0
>rt_sigprocmask(SIG_BLOCK, NULL, [], 8)  = 0
>open("tmpMount/tst2.txt", O_WRONLY|O_CREAT|O_TRUNC, 0666) = 3
>fcntl(1, F_GETFD)                       = 0
>fcntl(1, F_DUPFD, 10)                   = 10
>fcntl(1, F_GETFD)                       = 0
>fcntl(10, F_SETFD, FD_CLOEXEC)          = 0
>dup2(3, 1)                              = 1
>close(3)                                = 0
>write(1, "123\n", 4)                    = 4
>dup2(10, 1)                             = 1
>fcntl(10, F_GETFD)                      = 0x1 (flags FD_CLOEXEC)
>close(10)                               = 0
>rt_sigprocmask(SIG_BLOCK, NULL, [], 8)  = 0
>open("tmpMount/tst3.txt", O_WRONLY|O_CREAT|O_TRUNC, 0666) = 3
>fcntl(1, F_GETFD)                       = 0
>fcntl(1, F_DUPFD, 10)                   = 10
>fcntl(1, F_GETFD)                       = 0
>fcntl(10, F_SETFD, FD_CLOEXEC)          = 0
>dup2(3, 1)                              = 1
>close(3)                                = 0
>write(1, "123\n", 4)                    = 4
>dup2(10, 1)                             = 1
>fcntl(10, F_GETFD)                      = 0x1 (flags FD_CLOEXEC)
>close(10)                               = 0
>rt_sigprocmask(SIG_BLOCK, NULL, [], 8)  = 0
>open("tmpMount/tst4.txt", O_WRONLY|O_CREAT|O_TRUNC, 0666) = 3
>fcntl(1, F_GETFD)                       = 0
>fcntl(1, F_DUPFD, 10)                   = 10
>fcntl(1, F_GETFD)                       = 0
>fcntl(10, F_SETFD, FD_CLOEXEC)          = 0
>dup2(3, 1)                              = 1
>close(3)                                = 0
>write(1, "123\n", 4)                    = 4
>dup2(10, 1)                             = 1
>fcntl(10, F_GETFD)                      = 0x1 (flags FD_CLOEXEC)
>close(10)                               = 0
>rt_sigprocmask(SIG_BLOCK, NULL, [], 8)  = 0
>open("tmpMount/tst5.txt", O_WRONLY|O_CREAT|O_TRUNC, 0666) = 3
>fcntl(1, F_GETFD)                       = 0
>fcntl(1, F_DUPFD, 10)                   = 10
>fcntl(1, F_GETFD)                       = 0
>fcntl(10, F_SETFD, FD_CLOEXEC)          = 0
>dup2(3, 1)                              = 1
>close(3)                                = 0
>write(1, "123\n", 4)                    = 4
>dup2(10, 1)                             = 1
>fcntl(10, F_GETFD)                      = 0x1 (flags FD_CLOEXEC)
>close(10)                               = 0
>rt_sigprocmask(SIG_BLOCK, NULL, [], 8)  = 0
>open("tmpMount/tst6.txt", O_WRONLY|O_CREAT|O_TRUNC, 0666) = 3
>fcntl(1, F_GETFD)                       = 0
>fcntl(1, F_DUPFD, 10)                   = 10
>fcntl(1, F_GETFD)                       = 0
>fcntl(10, F_SETFD, FD_CLOEXEC)          = 0
>dup2(3, 1)                              = 1
>close(3)                                = 0
>write(1, "123\n", 4)                    = 4
>dup2(10, 1)                             = 1
>fcntl(10, F_GETFD)                      = 0x1 (flags FD_CLOEXEC)
>close(10)                               = 0
>rt_sigprocmask(SIG_BLOCK, NULL, [], 8)  = 0
>open("tmpMount/tst7.txt", O_WRONLY|O_CREAT|O_TRUNC, 0666) = 3
>fcntl(1, F_GETFD)                       = 0
>fcntl(1, F_DUPFD, 10)                   = 10
>fcntl(1, F_GETFD)                       = 0
>fcntl(10, F_SETFD, FD_CLOEXEC)          = 0
>dup2(3, 1)                              = 1
>close(3)                                = 0
>write(1, "123\n", 4)                    = 4
>dup2(10, 1)                             = 1
>fcntl(10, F_GETFD)                      = 0x1 (flags FD_CLOEXEC)
>close(10)                               = 0
>rt_sigprocmask(SIG_BLOCK, NULL, [], 8)  = 0
>open("tmpMount/tst8.txt", O_WRONLY|O_CREAT|O_TRUNC, 0666) = 3
>fcntl(1, F_GETFD)                       = 0
>fcntl(1, F_DUPFD, 10)                   = 10
>fcntl(1, F_GETFD)                       = 0
>fcntl(10, F_SETFD, FD_CLOEXEC)          = 0
>dup2(3, 1)                              = 1
>close(3)                                = 0
>write(1, "123\n", 4)                    = 4
>dup2(10, 1)                             = 1
>fcntl(10, F_GETFD)                      = 0x1 (flags FD_CLOEXEC)
>close(10)                               = 0
>rt_sigprocmask(SIG_BLOCK, NULL, [], 8)  = 0
>open("tmpMount/tst9.txt", O_WRONLY|O_CREAT|O_TRUNC, 0666) = 3
>fcntl(1, F_GETFD)                       = 0
>fcntl(1, F_DUPFD, 10)                   = 10
>fcntl(1, F_GETFD)                       = 0
>fcntl(10, F_SETFD, FD_CLOEXEC)          = 0
>dup2(3, 1)                              = 1
>close(3)                                = 0
>write(1, "123\n", 4)                    = 4
>dup2(10, 1)                             = 1
>fcntl(10, F_GETFD)                      = 0x1 (flags FD_CLOEXEC)
>close(10)                               = 0
>rt_sigprocmask(SIG_BLOCK, NULL, [], 8)  = 0
>rt_sigprocmask(SIG_BLOCK, [INT CHLD], [], 8) = 0
>lseek(255, -27, SEEK_CUR)               = 403
>clone(child_stack=0, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x7f3ca89ffa10) = 7731
>rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
>rt_sigprocmask(SIG_BLOCK, [CHLD], [], 8) = 0
>rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
>rt_sigprocmask(SIG_BLOCK, [CHLD], [], 8) = 0
>rt_sigaction(SIGINT, {0x43e760, [], SA_RESTORER, 0x34952359a0}, {SIG_DFL, [], SA_RESTORER, 0x34952359a0}, 8) = 0
>wait4(-1, Process 7731 attached
> <unfinished ...>
>[pid  7731] close(255)                  = 0
>[pid  7731] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
>[pid  7731] rt_sigaction(SIGTSTP, {SIG_DFL, [], SA_RESTORER, 0x34952359a0}, {SIG_DFL, [], 0}, 8) = 0
>[pid  7731] rt_sigaction(SIGTTIN, {SIG_DFL, [], SA_RESTORER, 0x34952359a0}, {SIG_DFL, [], 0}, 8) = 0
>[pid  7731] rt_sigaction(SIGTTOU, {SIG_DFL, [], SA_RESTORER, 0x34952359a0}, {SIG_DFL, [], 0}, 8) = 0
>[pid  7731] rt_sigaction(SIGINT, {SIG_DFL, [], SA_RESTORER, 0x34952359a0}, {SIG_DFL, [], SA_RESTORER, 0x34952359a0}, 8) = 0
>[pid  7731] rt_sigaction(SIGQUIT, {SIG_DFL, [], SA_RESTORER, 0x34952359a0}, {SIG_IGN, [], SA_RESTORER, 0x34952359a0}, 8) = 0
>[pid  7731] rt_sigaction(SIGCHLD, {SIG_DFL, [], SA_RESTORER|SA_RESTART, 0x34952359a0}, {0x4411c0, [], SA_RESTORER|SA_RESTART, 0x34952359a0}, 8) = 0
>[pid  7731] execve("/usr/bin/umount", ["/usr/bin/umount", "-f", "tmpMount"], [/* 52 vars */]) = 0
>[pid  7731] brk(0)                      = 0x7fc2221ef000
>[pid  7731] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc22044a000
>[pid  7731] access("/etc/ld.so.preload", R_OK) = -1 ENOENT (No such file or directory)
>[pid  7731] open("/etc/ld.so.cache", O_RDONLY|O_CLOEXEC) = 3
>[pid  7731] fstat(3, {st_mode=S_IFREG|0644, st_size=142535, ...}) = 0
>[pid  7731] mmap(NULL, 142535, PROT_READ, MAP_PRIVATE, 3, 0) = 0x7fc220427000
>[pid  7731] close(3)                    = 0
>[pid  7731] open("/lib64/libmount.so.1", O_RDONLY|O_CLOEXEC) = 3
>[pid  7731] read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\220x`\2254\0\0\0"..., 832) = 832
>[pid  7731] fstat(3, {st_mode=S_IFREG|0755, st_size=183096, ...}) = 0
>[pid  7731] mmap(NULL, 2275512, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7fc220000000
>[pid  7731] mprotect(0x7fc22002a000, 2097152, PROT_NONE) = 0
>[pid  7731] mmap(0x7fc22022a000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x2a000) = 0x7fc22022a000
>[pid  7731] close(3)                    = 0
>[pid  7731] open("/lib64/libblkid.so.1", O_RDONLY|O_CLOEXEC) = 3
>[pid  7731] read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\240j`\2404\0\0\0"..., 832) = 832
>[pid  7731] fstat(3, {st_mode=S_IFREG|0755, st_size=162496, ...}) = 0
>[pid  7731] mmap(NULL, 2255080, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7fc21fdd9000
>[pid  7731] mprotect(0x7fc21fdfd000, 2093056, PROT_NONE) = 0
>[pid  7731] mmap(0x7fc21fffc000, 16384, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x23000) = 0x7fc21fffc000
>[pid  7731] close(3)                    = 0
>[pid  7731] open("/lib64/libuuid.so.1", O_RDONLY|O_CLOEXEC) = 3
>[pid  7731] read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\320\26 \2354\0\0\0"..., 832) = 832
>[pid  7731] fstat(3, {st_mode=S_IFREG|0755, st_size=21696, ...}) = 0
>[pid  7731] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc220426000
>[pid  7731] mmap(NULL, 2113960, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7fc21fbd4000
>[pid  7731] mprotect(0x7fc21fbd8000, 2093056, PROT_NONE) = 0
>[pid  7731] mmap(0x7fc21fdd7000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x3000) = 0x7fc21fdd7000
>[pid  7731] close(3)                    = 0
>[pid  7731] open("/lib64/libselinux.so.1", O_RDONLY|O_CLOEXEC) = 3
>[pid  7731] read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\300_\240\2264\0\0\0"..., 832) = 832
>[pid  7731] fstat(3, {st_mode=S_IFREG|0755, st_size=128888, ...}) = 0
>[pid  7731] mmap(NULL, 2230304, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7fc21f9b3000
>[pid  7731] mprotect(0x7fc21f9d1000, 2093056, PROT_NONE) = 0
>[pid  7731] mmap(0x7fc21fbd0000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1d000) = 0x7fc21fbd0000
>[pid  7731] mmap(0x7fc21fbd2000, 6176, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7fc21fbd2000
>[pid  7731] close(3)                    = 0
>[pid  7731] open("/lib64/libsepol.so.1", O_RDONLY|O_CLOEXEC) = 3
>[pid  7731] read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\320@\240\2324\0\0\0"..., 832) = 832
>[pid  7731] fstat(3, {st_mode=S_IFREG|0755, st_size=267088, ...}) = 0
>[pid  7731] mmap(NULL, 2361600, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7fc21f772000
>[pid  7731] mprotect(0x7fc21f7b2000, 2093056, PROT_NONE) = 0
>[pid  7731] mmap(0x7fc21f9b1000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x3f000) = 0x7fc21f9b1000
>[pid  7731] close(3)                    = 0
>[pid  7731] open("/lib64/libc.so.6", O_RDONLY|O_CLOEXEC) = 3
>[pid  7731] read(3, "\177ELF\2\1\1\3\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0@\30\"\2254\0\0\0"..., 832) = 832
>[pid  7731] fstat(3, {st_mode=S_IFREG|0755, st_size=2065544, ...}) = 0
>[pid  7731] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc220425000
>[pid  7731] mmap(NULL, 3892376, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7fc21f3bb000
>[pid  7731] mprotect(0x7fc21f567000, 2097152, PROT_NONE) = 0
>[pid  7731] mmap(0x7fc21f767000, 24576, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1ac000) = 0x7fc21f767000
>[pid  7731] mmap(0x7fc21f76d000, 17560, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7fc21f76d000
>[pid  7731] close(3)                    = 0
>[pid  7731] open("/lib64/libdl.so.2", O_RDONLY|O_CLOEXEC) = 3
>[pid  7731] read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\240\16\340\2254\0\0\0"..., 832) = 832
>[pid  7731] fstat(3, {st_mode=S_IFREG|0755, st_size=22480, ...}) = 0
>[pid  7731] mmap(NULL, 2109704, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7fc21f1b7000
>[pid  7731] mprotect(0x7fc21f1ba000, 2093056, PROT_NONE) = 0
>[pid  7731] mmap(0x7fc21f3b9000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x2000) = 0x7fc21f3b9000
>[pid  7731] close(3)                    = 0
>[pid  7731] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc220424000
>[pid  7731] mmap(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc220422000
>[pid  7731] arch_prctl(ARCH_SET_FS, 0x7fc220422840) = 0
>[pid  7731] mprotect(0x7fc21f767000, 16384, PROT_READ) = 0
>[pid  7731] mprotect(0x7fc21f3b9000, 4096, PROT_READ) = 0
>[pid  7731] mprotect(0x7fc21fbd0000, 4096, PROT_READ) = 0
>[pid  7731] mprotect(0x7fc21fdd7000, 4096, PROT_READ) = 0
>[pid  7731] mprotect(0x7fc21fffc000, 12288, PROT_READ) = 0
>[pid  7731] mprotect(0x7fc22022a000, 4096, PROT_READ) = 0
>[pid  7731] mprotect(0x7fc220651000, 4096, PROT_READ) = 0
>[pid  7731] mprotect(0x7fc22044b000, 4096, PROT_READ) = 0
>[pid  7731] munmap(0x7fc220427000, 142535) = 0
>[pid  7731] statfs("/sys/fs/selinux", {f_type=0xf97cff8c, f_bsize=4096, f_blocks=0, f_bfree=0, f_bavail=0, f_files=0, f_ffree=0, f_fsid={0, 0}, f_namelen=255, f_frsize=4096}) = 0
>[pid  7731] statfs("/sys/fs/selinux", {f_type=0xf97cff8c, f_bsize=4096, f_blocks=0, f_bfree=0, f_bavail=0, f_files=0, f_ffree=0, f_fsid={0, 0}, f_namelen=255, f_frsize=4096}) = 0
>[pid  7731] stat("/sys/fs/selinux", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
>[pid  7731] brk(0)                      = 0x7fc2221ef000
>[pid  7731] brk(0x7fc222210000)         = 0x7fc222210000
>[pid  7731] getuid()                    = 0
>[pid  7731] geteuid()                   = 0
>[pid  7731] getuid()                    = 0
>[pid  7731] geteuid()                   = 0
>[pid  7731] getgid()                    = 0
>[pid  7731] getegid()                   = 0
>[pid  7731] prctl(PR_GET_DUMPABLE)      = 1
>[pid  7731] lstat("/etc/mtab", {st_mode=S_IFLNK|0777, st_size=12, ...}) = 0
>[pid  7731] getuid()                    = 0
>[pid  7731] geteuid()                   = 0
>[pid  7731] getgid()                    = 0
>[pid  7731] getegid()                   = 0
>[pid  7731] prctl(PR_GET_DUMPABLE)      = 1
>[pid  7731] stat("/run", {st_mode=S_IFDIR|0755, st_size=1600, ...}) = 0
>[pid  7731] lstat("/run/mount/utab", {st_mode=S_IFREG|0644, st_size=0, ...}) = 0
>[pid  7731] open("/run/mount/utab", O_RDWR|O_CREAT, 0644) = 3
>[pid  7731] close(3)                    = 0
>[pid  7731] lstat("/etc/mtab", {st_mode=S_IFLNK|0777, st_size=12, ...}) = 0
>[pid  7731] open("/proc/self/mountinfo", O_RDONLY) = 3
>[pid  7731] fstat(3, {st_mode=S_IFREG|0444, st_size=0, ...}) = 0
>[pid  7731] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc220449000
>[pid  7731] read(3, "15 22 0:3 / /proc rw,nosuid,node"..., 1024) = 1024
>[pid  7731] read(3, "gent,name=systemd\n27 25 0:21 / /"..., 1024) = 1024
>[pid  7731] read(3, "lbfs hugetlbfs rw,seclabel\n38 17"..., 1024) = 973
>[pid  7731] read(3, "", 1024)           = 0
>[pid  7731] close(3)                    = 0
>[pid  7731] munmap(0x7fc220449000, 4096) = 0
>[pid  7731] getuid()                    = 0
>[pid  7731] geteuid()                   = 0
>[pid  7731] getgid()                    = 0
>[pid  7731] getegid()                   = 0
>[pid  7731] prctl(PR_GET_DUMPABLE)      = 1
>[pid  7731] stat("/run", {st_mode=S_IFDIR|0755, st_size=1600, ...}) = 0
>[pid  7731] stat("/run/mount/utab", {st_mode=S_IFREG|0644, st_size=0, ...}) = 0
>[pid  7731] open("/run/mount/utab", O_RDONLY) = 3
>[pid  7731] fstat(3, {st_mode=S_IFREG|0644, st_size=0, ...}) = 0
>[pid  7731] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc220449000
>[pid  7731] read(3, "", 4096)           = 0
>[pid  7731] close(3)                    = 0
>[pid  7731] munmap(0x7fc220449000, 4096) = 0
>[pid  7731] getcwd("/home/edward/src", 4095) = 17
>[pid  7731] readlink("/home/edward/src/tmpMount", 0x7fffd10deed0, 4096) = -1 EINVAL (Invalid argument)
>[pid  7731] stat("/sbin/umount.vfat", 0x7fffd10dfeb0) = -1 ENOENT (No such file or directory)
>[pid  7731] stat("/sbin/fs.d/umount.vfat", 0x7fffd10dfeb0) = -1 ENOENT (No such file or directory)
>[pid  7731] stat("/sbin/fs/umount.vfat", 0x7fffd10dfeb0) = -1 ENOENT (No such file or directory)
>[pid  7731] umount("/home/edward/src/tmpMount", MNT_FORCE) = -1 EBUSY (Device or resource busy)
>[pid  7731] write(2, "umount: ", 8umount: )     = 8
>[pid  7731] write(2, "/home/edward/src/tmpMount: targe"..., 155/home/edward/src/tmpMount: target is busy.
>        (In some cases useful info about processes that use
>         the device is found by lsof(8) or fuser(1))) = 155
>[pid  7731] write(2, "\n", 1
>)           = 1
>[pid  7731] exit_group(32)              = ?
>[pid  7731] +++ exited with 32 +++
><... wait4 resumed> [{WIFEXITED(s) && WEXITSTATUS(s) == 32}], 0, NULL) = 7731
>rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
>--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7731, si_status=32, si_utime=0, si_stime=0} ---
>wait4(-1, 0x7fff15121bd8, WNOHANG, NULL) = -1 ECHILD (No child processes)
>rt_sigreturn()                          = 0
>rt_sigaction(SIGINT, {SIG_DFL, [], SA_RESTORER, 0x34952359a0}, {0x43e760, [], SA_RESTORER, 0x34952359a0}, 8) = 0
>rt_sigprocmask(SIG_BLOCK, NULL, [], 8)  = 0
>read(255, "rm -rf tmpMount floppy.img\n", 430) = 27
>stat(".", {st_mode=S_IFDIR|0775, st_size=4096, ...}) = 0
>stat("/usr/lib64/qt-3.3/bin/rm", 0x7fff15122060) = -1 ENOENT (No such file or directory)
>stat("/usr/lib64/ccache/rm", 0x7fff15122060) = -1 ENOENT (No such file or directory)
>stat("/usr/local/bin/rm", 0x7fff15122060) = -1 ENOENT (No such file or directory)
>stat("/usr/bin/rm", {st_mode=S_IFREG|0755, st_size=58560, ...}) = 0
>stat("/usr/bin/rm", {st_mode=S_IFREG|0755, st_size=58560, ...}) = 0
>geteuid()                               = 0
>getegid()                               = 0
>getuid()                                = 0
>getgid()                                = 0
>access("/usr/bin/rm", X_OK)             = 0
>stat("/usr/bin/rm", {st_mode=S_IFREG|0755, st_size=58560, ...}) = 0
>geteuid()                               = 0
>getegid()                               = 0
>getuid()                                = 0
>getgid()                                = 0
>access("/usr/bin/rm", R_OK)             = 0
>stat("/usr/bin/rm", {st_mode=S_IFREG|0755, st_size=58560, ...}) = 0
>stat("/usr/bin/rm", {st_mode=S_IFREG|0755, st_size=58560, ...}) = 0
>geteuid()                               = 0
>getegid()                               = 0
>getuid()                                = 0
>getgid()                                = 0
>access("/usr/bin/rm", X_OK)             = 0
>stat("/usr/bin/rm", {st_mode=S_IFREG|0755, st_size=58560, ...}) = 0
>geteuid()                               = 0
>getegid()                               = 0
>getuid()                                = 0
>getgid()                                = 0
>access("/usr/bin/rm", R_OK)             = 0
>rt_sigprocmask(SIG_BLOCK, [INT CHLD], [], 8) = 0
>clone(Process 7733 attached
>child_stack=0, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x7f3ca89ffa10) = 7733
>[pid  7723] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
>[pid  7733] close(255 <unfinished ...>
>[pid  7723] <... rt_sigprocmask resumed> NULL, 8) = 0
>[pid  7733] <... close resumed> )       = 0
>[pid  7723] rt_sigprocmask(SIG_BLOCK, [CHLD],  <unfinished ...>
>[pid  7733] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
>[pid  7723] <... rt_sigprocmask resumed> [], 8) = 0
>[pid  7733] <... rt_sigprocmask resumed> NULL, 8) = 0
>[pid  7723] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
>[pid  7733] rt_sigaction(SIGTSTP, {SIG_DFL, [], SA_RESTORER, 0x34952359a0},  <unfinished ...>
>[pid  7723] <... rt_sigprocmask resumed> NULL, 8) = 0
>[pid  7733] <... rt_sigaction resumed> {SIG_DFL, [], 0}, 8) = 0
>[pid  7723] rt_sigprocmask(SIG_BLOCK, [CHLD],  <unfinished ...>
>[pid  7733] rt_sigaction(SIGTTIN, {SIG_DFL, [], SA_RESTORER, 0x34952359a0},  <unfinished ...>
>[pid  7723] <... rt_sigprocmask resumed> [], 8) = 0
>[pid  7733] <... rt_sigaction resumed> {SIG_DFL, [], 0}, 8) = 0
>[pid  7723] rt_sigaction(SIGINT, {0x43e760, [], SA_RESTORER, 0x34952359a0},  <unfinished ...>
>[pid  7733] rt_sigaction(SIGTTOU, {SIG_DFL, [], SA_RESTORER, 0x34952359a0},  <unfinished ...>
>[pid  7723] <... rt_sigaction resumed> {SIG_DFL, [], SA_RESTORER, 0x34952359a0}, 8) = 0
>[pid  7733] <... rt_sigaction resumed> {SIG_DFL, [], 0}, 8) = 0
>[pid  7723] wait4(-1,  <unfinished ...>
>[pid  7733] rt_sigaction(SIGINT, {SIG_DFL, [], SA_RESTORER, 0x34952359a0}, {SIG_DFL, [], SA_RESTORER, 0x34952359a0}, 8) = 0
>[pid  7733] rt_sigaction(SIGQUIT, {SIG_DFL, [], SA_RESTORER, 0x34952359a0}, {SIG_IGN, [], SA_RESTORER, 0x34952359a0}, 8) = 0
>[pid  7733] rt_sigaction(SIGCHLD, {SIG_DFL, [], SA_RESTORER|SA_RESTART, 0x34952359a0}, {0x4411c0, [], SA_RESTORER|SA_RESTART, 0x34952359a0}, 8) = 0
>[pid  7733] execve("/usr/bin/rm", ["rm", "-rf", "tmpMount", "floppy.img"], [/* 52 vars */]) = 0
>[pid  7733] brk(0)                      = 0x1e84000
>[pid  7733] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f03e8285000
>[pid  7733] access("/etc/ld.so.preload", R_OK) = -1 ENOENT (No such file or directory)
>[pid  7733] open("/etc/ld.so.cache", O_RDONLY|O_CLOEXEC) = 3
>[pid  7733] fstat(3, {st_mode=S_IFREG|0644, st_size=142535, ...}) = 0
>[pid  7733] mmap(NULL, 142535, PROT_READ, MAP_PRIVATE, 3, 0) = 0x7f03e8262000
>[pid  7733] close(3)                    = 0
>[pid  7733] open("/lib64/libc.so.6", O_RDONLY|O_CLOEXEC) = 3
>[pid  7733] read(3, "\177ELF\2\1\1\3\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0@\30\"\2254\0\0\0"..., 832) = 832
>[pid  7733] fstat(3, {st_mode=S_IFREG|0755, st_size=2065544, ...}) = 0
>[pid  7733] mmap(0x3495200000, 3892376, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x3495200000
>[pid  7733] mprotect(0x34953ac000, 2097152, PROT_NONE) = 0
>[pid  7733] mmap(0x34955ac000, 24576, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1ac000) = 0x34955ac000
>[pid  7733] mmap(0x34955b2000, 17560, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x34955b2000
>[pid  7733] close(3)                    = 0
>[pid  7733] mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f03e8261000
>[pid  7733] mmap(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f03e825f000
>[pid  7733] arch_prctl(ARCH_SET_FS, 0x7f03e825f740) = 0
>[pid  7733] mprotect(0x60c000, 4096, PROT_READ) = 0
>[pid  7733] mprotect(0x34955ac000, 16384, PROT_READ) = 0
>[pid  7733] mprotect(0x349501f000, 4096, PROT_READ) = 0
>[pid  7733] munmap(0x7f03e8262000, 142535) = 0
>[pid  7733] brk(0)                      = 0x1e84000
>[pid  7733] brk(0x1ea5000)              = 0x1ea5000
>[pid  7733] brk(0)                      = 0x1ea5000
>[pid  7733] ioctl(0, SNDCTL_TMR_TIMEBASE or SNDRV_TIMER_IOCTL_NEXT_DEVICE or TCGETS, {B38400 opost isig icanon echo ...}) = 0
>[pid  7733] lstat("/", {st_mode=S_IFDIR|0555, st_size=4096, ...}) = 0
>[pid  7733] newfstatat(AT_FDCWD, "tmpMount", {st_mode=S_IFDIR|0755, st_size=7168, ...}, AT_SYMLINK_NOFOLLOW) = 0
>[pid  7733] openat(AT_FDCWD, "tmpMount", O_RDONLY|O_NOCTTY|O_NONBLOCK|O_DIRECTORY|O_NOFOLLOW) = 3
>[pid  7733] fcntl(3, F_GETFD)           = 0
>[pid  7733] fcntl(3, F_SETFD, FD_CLOEXEC) = 0
>[pid  7733] fstat(3, {st_mode=S_IFDIR|0755, st_size=7168, ...}) = 0
>[pid  7733] fcntl(3, F_GETFL)           = 0x38800 (flags O_RDONLY|O_NONBLOCK|O_LARGEFILE|O_DIRECTORY|O_NOFOLLOW)
>[pid  7733] fcntl(3, F_SETFD, FD_CLOEXEC) = 0
>[pid  7733] fcntl(3, F_DUPFD, 3)        = 4
>[pid  7733] fcntl(4, F_GETFD)           = 0
>[pid  7733] fcntl(4, F_SETFD, FD_CLOEXEC) = 0
>[pid  7733] getdents(3, /* 11 entries */, 32768) = 336
>[pid  7733] getdents(3, /* 0 entries */, 32768) = 0
>[pid  7733] close(3)                    = 0
>[pid  7733] unlinkat(4, "tst1.txt", 0)  = 0
>[pid  7733] unlinkat(4, "tst2.txt", 0)  = 0
>[pid  7733] unlinkat(4, "tst3.txt", 0)  = 0
>[pid  7733] unlinkat(4, "tst4.txt", 0)  = 0
>[pid  7733] unlinkat(4, "tst5.txt", 0)  = 0
>[pid  7733] unlinkat(4, "tst6.txt", 0)  = 0
>[pid  7733] unlinkat(4, "tst7.txt", 0)  = 0
>[pid  7733] unlinkat(4, "tst8.txt", 0)  = 0
>[pid  7733] unlinkat(4, "tst9.txt", 0)  = 0
>[pid  7733] close(4)                    = 0
>[pid  7733] unlinkat(AT_FDCWD, "tmpMount", AT_REMOVEDIR) = -1 EBUSY (Device or resource busy)
>[pid  7733] write(2, "rm: ", 4rm: )         = 4
>[pid  7733] write(2, "cannot remove `tmpMount'", 24cannot remove `tmpMount') = 24
>[pid  7733] write(2, ": Device or resource busy", 25: Device or resource busy) = 25
>[pid  7733] write(2, "\n", 1
>)           = 1
>[pid  7733] newfstatat(AT_FDCWD, "floppy.img", {st_mode=S_IFREG|0644, st_size=1474560, ...}, AT_SYMLINK_NOFOLLOW) = 0
>[pid  7733] unlinkat(AT_FDCWD, "floppy.img", 0) = 0
>[pid  7733] lseek(0, 0, SEEK_CUR)       = -1 ESPIPE (Illegal seek)
>[pid  7733] close(0)                    = 0
>[pid  7733] close(1)                    = 0
>[pid  7733] close(2)                    = 0
>[pid  7733] exit_group(1)               = ?
>[pid  7733] +++ exited with 1 +++
><... wait4 resumed> [{WIFEXITED(s) && WEXITSTATUS(s) == 1}], 0, NULL) = 7733
>rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
>--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7733, si_status=1, si_utime=0, si_stime=0} ---
>wait4(-1, 0x7fff15121bd8, WNOHANG, NULL) = -1 ECHILD (No child processes)
>rt_sigreturn()                          = 0
>rt_sigaction(SIGINT, {SIG_DFL, [], SA_RESTORER, 0x34952359a0}, {0x43e760, [], SA_RESTORER, 0x34952359a0}, 8) = 0
>rt_sigprocmask(SIG_BLOCK, NULL, [], 8)  = 0
>read(255, "", 430)                      = 0
>exit_group(1)                           = ?
>+++ exited with 1 +++

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Attachments on bug 853674: 609013 | 915488