execve("/bin/mv", ["mv", "aa.txt", "bb.txt"], 0x7ffd35950d10 /* 18 vars */) = 0
arch_prctl(ARCH_SET_FS, 0x7f3fb1adbb48) = 0
set_tid_address(0x7f3fb1adbf90)         = 30849
brk(NULL)                               = 0x560efd015000
brk(0x560efd017000)                     = 0x560efd017000
mmap(0x560efd015000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x560efd015000
mprotect(0x7f3fb1ad8000, 4096, PROT_READ) = 0
mprotect(0x560efc21c000, 16384, PROT_READ) = 0
getuid()                                = 0
stat("bb.txt", 0x7fff5da2a720)          = -1 ENOENT (No such file or directory)
rename("aa.txt", "bb.txt")              = -1 ENOENT (No such file or directory)
write(2, "mv: can't rename 'aa.txt': No su"..., 53) = 53
exit_group(1)                           = ?
+++ exited with 1 +++
