diff options
| -rw-r--r-- | tapset/syscalls2.stp | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/tapset/syscalls2.stp b/tapset/syscalls2.stp index 4ad9d1b3..49f7cc79 100644 --- a/tapset/syscalls2.stp +++ b/tapset/syscalls2.stp @@ -2159,7 +2159,10 @@ probe syscall.uname.return = kernel.function("sys_uname").return { probe syscall.unlink = kernel.function("sys_unlink") { name = "unlink" pathname_uaddr = $pathname - pathname = user_string($pathname) + if ($pathname > 0) + pathname = user_string($pathname) + else + pathname = "null" argstr = sprintf("\"%s\"",pathname) } probe syscall.unlink.return = kernel.function("sys_unlink").return { |