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DTrace Destructive Actions - Oracle® Solaris 11.3 DTrace (Dynam…
https://docs.oracle.com/cd/E53394_01/html/E53395/gkwvl.html#:~:text=When%20using%20dtrace%2C%20you%20can%20enable%20destructive%20actions,failed%20to%20enable%20%27syscall%27%3A%20destructive%20actions%20not%20allowed
DTrace Destructive Actions - Oracle® Solaris 11.3 DTrace …
https://docs.oracle.com/cd/E53394_01/html/E53395/gkwvl.html
dtrace: failed to enable 'syscall': destructive actions not allowed. An administrator may choose to disable destructive actions system-wide by setting the kernel tunable dtrace_destructive_disallow to 1. This may be done in a number of ways including rebooting after adding the following line to /etc/system: set dtrace:dtrace_destructive_disallow = 1.
Destructive Actions - Oracle Solaris Dynamic Tracing Guide
https://docs.oracle.com/cd/E23824_01/html/E22973/gkwvl.html
dtrace: failed to enable 'syscall': destructive actions not allowed. An administrator may choose to disable destructive actions system-wide by setting the kernel tunable dtrace_destructive_disallow to 1. This may be done in a number of ways including rebooting after adding the following line to /etc/system: set dtrace:dtrace_destructive_disallow = 1.
DTrace Action Basics - DTrace User Guide - Oracle
https://docs.oracle.com/cd/E18752_01/html/819-5488/gcfbn.html
You must explicitly enable destructive actions in order to use them. You can enable destructive actions by using the -w option. If you attempt to use destructive actions in dtrace without explicitly enabling them, dtrace fails with a message similar to the following example: dtrace: failed to enable 'syscall': destructive actions not allowed
DTrace Destructive Actions - Oracle® Solaris 11.4 DTrace …
https://docs.oracle.com/cd/E37838_01/html/E61035/gkwvl.html
An administrator may choose to disable destructive actions system-wide by setting the kernel tunable dtrace_destructive_disallow to 1. This may be done in a number of ways including rebooting after adding the following line to /etc/system: set dtrace:dtrace_destructive_disallow = 1. You can set the kernel tunable dtrace_destructive_disallow ...
Destructive Actions - Solaris Dynamic Tracing Guide
https://docs.oracle.com/cd/E18752_01/html/817-6223/chp-actsub-4.html
If an attempt is made to enable destructive actions in dtrace(1M) without explicitly enabling them, dtrace will fail with a message similar to the following example: dtrace: failed to enable 'syscall': destructive actions not allowed Process Destructive Actions. Some destructive actions are destructive only to a particular process.
dtrace: could not enable tracing: BPF program load for '...' …
https://github.com/oracle/dtrace-utils/issues/6
A script like x = 1; @ = quantize(x); @ = quantize(x); [....97 similar lines...] @ = quantize(x); fails, printing about 16 Mbyte of BPF verifier log and ending in ...
[DTrace-devel] [PATCH] Enforce restrictions on …
https://oss.oracle.com/pipermail/dtrace-devel/2021-April/001058.html
[DTrace-devel] [PATCH] Enforce restrictions on destructive actions when -w is not specified Kris Van Hees kris.van.hees at oracle.com Thu Apr 8 00:01:42 PDT 2021. Previous message: [DTrace-devel] [PATCH] Move freopen() and system() tests into unittest/actions/(freopen, system) Next message: [DTrace-devel] [PATCH] Enforce restrictions on destructive actions when -w is not …
[DTrace-devel] [PATCH] Enforce restrictions on …
https://oss.oracle.com/pipermail/dtrace-devel/2021-April/001059.html
So how about something like * ASSERTION: system(), a destructive action, prohibited without -w * ASSERTION: freopen(), a destructive action, prohibited without -w In the same vein, we report dtrace: could not enable tracing: Destructive actions not allowed It should seem to be dtrace: could not enable tracing: Destructive actions not allowed ...
Actions and Subroutines - Dynamic Tracing Guide - illumos
https://illumos.org/books/dtrace/chp-actsub.html
Destructive actions may not be used unless they have been explicitly enabled. When using dtrace (1M), you can enable destructive actions using the -w option. If an attempt is made to enable destructive actions in dtrace (1M) without explicitly enabling them, dtrace will fail with a message similar to the following example:
dtrace keep getting error "error on enabled probe
https://stackoverflow.com/questions/49457699/dtrace-keep-getting-error-error-on-enabled-probe-invalid-user-access-in-actio
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