execve("/usr/bin/install-xattr", ["install-xattr", "install-xattr-test", "/mnt/btrfs_usb/data"], 0x7ffe86895960 /* 81 vars */) = 0
brk(NULL)                               = 0x5df1866f0000
mmap(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x74819d21d000
access("/etc/ld.so.preload", R_OK)      = 0
open("/etc/ld.so.preload", O_RDONLY|O_CLOEXEC) = 3
fstat(3, {st_mode=S_IFREG|0644, st_size=0, ...}) = 0
close(3)                                = 0
open("/etc/ld.so.cache", O_RDONLY|O_CLOEXEC) = 3
fstat(3, {st_mode=S_IFREG|0644, st_size=278420, ...}) = 0
mmap(NULL, 278420, PROT_READ, MAP_PRIVATE, 3, 0) = 0x74819d1d9000
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\320\6\2\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0755, st_size=1807816, ...}) = 0
mmap(NULL, 3915192, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x74819cc3f000
mprotect(0x74819cdf1000, 2097152, PROT_NONE) = 0
mmap(0x74819cff1000, 24576, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1b2000) = 0x74819cff1000
mmap(0x74819cff7000, 15800, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x74819cff7000
close(3)                                = 0
mmap(NULL, 12288, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x74819d1d6000
arch_prctl(ARCH_SET_FS, 0x74819d1d6700) = 0
mprotect(0x74819cff1000, 16384, PROT_READ) = 0
mprotect(0x5df185856000, 4096, PROT_READ) = 0
mprotect(0x74819d21f000, 4096, PROT_READ) = 0
munmap(0x74819d1d9000, 278420)          = 0
brk(NULL)                               = 0x5df1866f0000
brk(0x5df186712000)                     = 0x5df186712000
lstat("/proc", {st_mode=S_IFDIR|0555, st_size=0, ...}) = 0
lstat("/proc/self", {st_mode=S_IFLNK|0777, st_size=0, ...}) = 0
readlink("/proc/self", "383", 4095)     = 3
lstat("/proc/383", {st_mode=S_IFDIR|0555, st_size=0, ...}) = 0
lstat("/proc/383/exe", {st_mode=S_IFLNK|0777, st_size=0, ...}) = 0
readlink("/proc/383/exe", "/usr/bin/install-xattr", 4095) = 22
lstat("/usr", {st_mode=S_IFDIR|0755, st_size=146, ...}) = 0
lstat("/usr/bin", {st_mode=S_IFDIR|0755, st_size=75504, ...}) = 0
lstat("/usr/bin/install-xattr", {st_mode=S_IFREG|0755, st_size=10360, ...}) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x74819d1d69d0) = 384
wait4(-1, [{WIFEXITED(s) && WEXITSTATUS(s) == 0}], 0, NULL) = 384
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=384, si_uid=1000, si_status=0, si_utime=0, si_stime=0} ---
stat("/mnt/btrfs_usb/data", {st_mode=S_IFDIR|0755, st_size=348, ...}) = 0
stat("install-xattr-test", {st_mode=S_IFREG|0644, st_size=0, ...}) = 0
listxattr("install-xattr-test", NULL, 0) = 10
listxattr("install-xattr-test", "user.test\0", 10) = 10
getxattr("install-xattr-test", "user.test", NULL, 0) = 3
getxattr("install-xattr-test", "user.test", "abc", 3) = 3
setxattr("/mnt/btrfs_usb/data/install-xattr-test", "user.test", "abc", 3, 0) = 0
exit_group(0)                           = ?
+++ exited with 0 +++