diff options
| author | Johannes Berg <johannes.berg@intel.com> | 2025-09-24 11:32:13 +0200 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2025-10-27 15:05:50 +0100 |
| commit | 7b5d4416964c07c902163822a30a622111172b01 (patch) | |
| tree | 4fbb2d2fc2605c0b26909e1e158f04344a1bddca /arch/um/kernel/process.c | |
| parent | dcb6fa37fd7bc9c3d2b066329b0d27dedf8becaa (diff) | |
um: init cpu_tasks[] earlier
This is currently done in uml_finishsetup(), but e.g. with
KCOV enabled we'll crash because some init code can call
into e.g. memparse(), which has coverage annotations, and
then the checks in check_kcov_mode() crash because current
is NULL.
Simply initialize the cpu_tasks[] array statically, which
fixes the crash. For the later SMP work, it seems to have
not really caused any problems yet, but initialize all of
the entries anyway.
Link: https://patch.msgid.link/20250924113214.c76cd74d0583.I974f691ebb1a2b47915bd2b04cc38e5263b9447f@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'arch/um/kernel/process.c')
| -rw-r--r-- | arch/um/kernel/process.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/um/kernel/process.c b/arch/um/kernel/process.c index 9c9c66dc45f0..13d461712c99 100644 --- a/arch/um/kernel/process.c +++ b/arch/um/kernel/process.c @@ -43,7 +43,9 @@ * cares about its entry, so it's OK if another processor is modifying its * entry. */ -struct task_struct *cpu_tasks[NR_CPUS]; +struct task_struct *cpu_tasks[NR_CPUS] = { + [0 ... NR_CPUS - 1] = &init_task, +}; EXPORT_SYMBOL(cpu_tasks); void free_stack(unsigned long stack, int order) |