Datasets locking/v8 #12550
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Datasets locking/v8 #12550
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In a recent warning reported by scan-build, datasets were found to be
using a blocking call in a critical section.
datasets.c:187:12: warning: Call to blocking function 'fgets' inside of critical section [unix.BlockInCriticalSection]
187 | while (fgets(line, (int)sizeof(line), fp) != NULL) {
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
datasets.c:292:12: warning: Call to blocking function 'fgets' inside of critical section [unix.BlockInCriticalSection]
292 | while (fgets(line, (int)sizeof(line), fp) != NULL) {
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
datasets.c:368:12: warning: Call to blocking function 'fgets' inside of critical section [unix.BlockInCriticalSection]
368 | while (fgets(line, (int)sizeof(line), fp) != NULL) {
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
datasets.c:442:12: warning: Call to blocking function 'fgets' inside of critical section [unix.BlockInCriticalSection]
442 | while (fgets(line, (int)sizeof(line), fp) != NULL) {
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
datasets.c:512:12: warning: Call to blocking function 'fgets' inside of critical section [unix.BlockInCriticalSection]
512 | while (fgets(line, (int)sizeof(line), fp) != NULL) {
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
5 warnings generated.
These calls are blocking in the multi tenant mode where several tenants
may be trying to load the same dataset in parallel.
In a single tenant mode, this operation is performed as a part of a
single thread before the engine startup.
In order to evade the warning and simplify the code, the initial file
reading is moved to Rust with this commit with a much simpler handling
of dataset and datarep.
Bug 7398
|
ERROR: ERROR: QA failed on build_asan. Pipeline 24673 |
|
Why is QA/CI so unhappy? |
Because I used something that is only in the newer Rust versions 😢 I have dirty ways to make it work, I'll try to look for a nice solution. |
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Link to ticket: https://redmine.openinfosecfoundation.org/issues/7398
Previous PR: #12366
Changes since v7:
SV_BRANCH=OISF/suricata-verify#2225