https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=234350
Bug ID: 234350
Summary: [dtrace] Dtrace cannot print string arguments to
system calls.
Product: Base System
Version: 12.0-RELEASE
Hardware: Any
OS: Any
Status: New
Severity: Affects Only Me
Priority: ---
Component: bin
Assignee: b...@freebsd.org
Reporter: shamaz.ma...@gmail.com
I try to execute Dtrace like so:
dtrace -n 'syscall::open*:entry { printf("%s %s", execname, copyinstr(arg0));
}'
and get some strange errors:
dtrace: error on enabled probe ID 2 (ID 76423: syscall:freebsd:open:entry):
invalid address (0x8002543a3) in action #2 at DIF offset 12
like when stringof() were used instead of copyinstr().
FreeBSD version 12.0-RELEASE.
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