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- root@hikey:/usr/bin/kselftests/nsfs# strace -f ./owner
- execve("./owner", ["./owner"], [/* 16 vars */]) = 0
- brk(NULL) = 0x3a916000
- mmap(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xffff89808000
- faccessat(AT_FDCWD, "/etc/ld.so.preload", R_OK) = -1 ENOENT (No such file or directory)
- openat(AT_FDCWD, "/etc/ld.so.cache", O_RDONLY|O_CLOEXEC) = 3
- fstat(3, {st_mode=S_IFREG|0644, st_size=14311, ...}) = 0
- mmap(NULL, 14311, PROT_READ, MAP_PRIVATE, 3, 0) = 0xffff89804000
- close(3) = 0
- openat(AT_FDCWD, "/lib64/libc.so.6", O_RDONLY|O_CLOEXEC) = 3
- read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0\267\0\1\0\0\0x\364\1\0\0\0\0\0"..., 832) = 832
- fstat(3, {st_mode=S_IFREG|0755, st_size=1267360, ...}) = 0
- mmap(NULL, 1340040, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xffff89699000
- mprotect(0xffff897c8000, 61440, PROT_NONE) = 0
- mmap(0xffff897d7000, 24576, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x12e000) = 0xffff897d7000
- mmap(0xffff897dd000, 12936, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0xffff897dd000
- close(3) = 0
- mmap(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xffff89802000
- mprotect(0xffff897d7000, 16384, PROT_READ) = 0
- mprotect(0xffff8980c000, 4096, PROT_READ) = 0
- munmap(0xffff89804000, 14311) = 0
- pipe2([3, 4], 0) = 0
- clone(strace: Process 2839 attached
- child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0xffff89809230) = 2839
- [pid 2838] close(4 <unfinished ...>
- [pid 2839] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
- [pid 2838] <... close resumed> ) = 0
- [pid 2838] read(3, <unfinished ...>
- [pid 2839] <... prctl resumed> ) = 0
- [pid 2839] unshare(CLONE_NEWUTS|CLONE_NEWUSER) = -1 EINVAL (Invalid argument)
- [pid 2839] write(2, "main:42:unshare: Invalid argumen"..., 34main:42:unshare: Invalid argument
- ) = 34
- [pid 2839] exit_group(1) = ?
- [pid 2838] <... read resumed> "", 1) = 0
- [pid 2839] +++ exited with 1 +++
- close(3) = 0
- --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2839, si_uid=0, si_status=1, si_utime=0, si_stime=0} ---
- openat(AT_FDCWD, "/proc/2839/ns/uts", O_RDONLY) = -1 ENOENT (No such file or directory)
- write(2, "main:57:Unable to open /proc/283"..., 68main:57:Unable to open /proc/2839/ns/uts: No such file or directory
- ) = 68
- exit_group(1) = ?
- +++ exited with 1 +++
- root@hikey:/usr/bin/kselftests/nsfs#
- root@hikey:/usr/bin/kselftests/nsfs#
- root@hikey:/usr/bin/kselftests/nsfs#
- root@hikey:/usr/bin/kselftests/nsfs#
- root@hikey:/usr/bin/kselftests/nsfs#
- root@hikey:/usr/bin/kselftests/nsfs#
- root@hikey:/usr/bin/kselftests/nsfs#
- root@hikey:/usr/bin/kselftests/nsfs#
- root@hikey:/usr/bin/kselftests/nsfs#
- root@hikey:/usr/bin/kselftests/nsfs#
- root@hikey:/usr/bin/kselftests/nsfs#
- root@hikey:/usr/bin/kselftests/nsfs#
- root@hikey:/usr/bin/kselftests/nsfs#
- root@hikey:/usr/bin/kselftests/nsfs#
- root@hikey:/usr/bin/kselftests/nsfs# strace -f ./pidns
- execve("./pidns", ["./pidns"], [/* 16 vars */]) = 0
- brk(NULL) = 0x5fef000
- mmap(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xffffb5320000
- faccessat(AT_FDCWD, "/etc/ld.so.preload", R_OK) = -1 ENOENT (No such file or directory)
- openat(AT_FDCWD, "/etc/ld.so.cache", O_RDONLY|O_CLOEXEC) = 3
- fstat(3, {st_mode=S_IFREG|0644, st_size=14311, ...}) = 0
- mmap(NULL, 14311, PROT_READ, MAP_PRIVATE, 3, 0) = 0xffffb531c000
- close(3) = 0
- openat(AT_FDCWD, "/lib64/libc.so.6", O_RDONLY|O_CLOEXEC) = 3
- read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0\267\0\1\0\0\0x\364\1\0\0\0\0\0"..., 832) = 832
- fstat(3, {st_mode=S_IFREG|0755, st_size=1267360, ...}) = 0
- mmap(NULL, 1340040, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xffffb51b1000
- mprotect(0xffffb52e0000, 61440, PROT_NONE) = 0
- mmap(0xffffb52ef000, 24576, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x12e000) = 0xffffb52ef000
- mmap(0xffffb52f5000, 12936, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0xffffb52f5000
- close(3) = 0
- mmap(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xffffb531a000
- mprotect(0xffffb52ef000, 16384, PROT_READ) = 0
- mprotect(0xffffb5324000, 4096, PROT_READ) = 0
- munmap(0xffffb531c000, 14311) = 0
- clone(child_stack=0xfffff9eb7f40, flags=CLONE_NEWUSER|CLONE_NEWPID|SIGCHLD) = -1 EINVAL (Invalid argument)
- write(2, "main:51:clone: Invalid argument\n", 32main:51:clone: Invalid argument
- ) = 32
- exit_group(1) = ?
- +++ exited with 1 +++
- root@hikey:/usr/bin/kselftests/nsfs#
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