fche changed the topic of #systemtap to: http://sourceware.org/systemtap; email systemtap@sourceware.org if answers here not timely, conversations may be logged
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<Vall>
Hello everyone, I'm trying to use systemtap to show programs calling execve syscalls and having a lot of trouble
<Vall>
my script is very simple: stap -e 'probe syscall.execve { printf("%d %d %s exec %s\n", pid(), ppid(), execname(), kernel_string($filename)) }'
<Vall>
it runs a little (prints 10 or 15 lines depicting execve calls) and then aborts with the following:
<Vall>
ERROR: user string copy fault -14 at 00007f661a630cdb near identifier 'user_string_n' at /usr/share/systemtap/tapset/uconversions.stp:120:10
<Vall>
Can anyone help? I can't figure what the problem is