Opened on 06/15/11 at 15:22:11

Last modified on 08/12/21 at 12:35:30

#1816 new defect

Variable _ISR_Vector_table is not protected against interrupts

Reported by: Helder Silva Owned by: Joel Sherrill
Priority: low Milestone: Indefinite
Component: score Version:
Severity: critical Keywords:
Cc: Blocked By:
Blocking:

Description (last modified by Sebastian Huber)

Variable _ISR_Vector_table is not protected against interrupts in
_CPU_ISR_install_vector (called from _ISR_Install_vector) called from
rtems_interrupt_catch. Global variable should be protected to protect its consistency.

Change History (6)

comment:1 Changed on 06/16/11 at 09:35:34 by Helder Silva

Interrupts should be disabled in _CPU_ISR_install_vector for these 2 actions:
*old_handler = _ISR_Vector_table[ real_vector ]; _ISR_Vector_table[ real_vector ] = new_handler;

comment:2 Changed on 11/24/14 at 18:58:28 by Gedare Bloom

Version: HEAD → 4.11

Replace Version=HEAD with Version=4.11 for the tickets with Milestone >= 4.11

comment:3 Changed on 12/18/14 at 10:13:07 by Sebastian Huber

Description: modified (diff)
Milestone: 4.11 → 5.0
Priority: normal → low
Severity: normal → critical

This problem still exists but seems to have no big impact on existing applications.

comment:4 Changed on 08/14/17 at 00:29:55 by Chris Johns

Milestone: 5.0 → Indefinite
Version: 4.11

comment:5 Changed on 06/18/21 at 09:24:45 by Sebastian Huber

Keywords: qualification added

comment:6 Changed on 08/12/21 at 12:35:30 by Sebastian Huber

Keywords: qualification removed

The rtems_interrupt_catch() is a legacy interface, see also #3269, #4458, and #4459.

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