6.6-stable review patch. If anyone has any objections, please let me know.
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From: Gyeyoung Baek gye976@gmail.com
[ Upstream commit 8a2277a3c9e4cc5398f80821afe7ecbe9bdf2819 ]
Initialize `ops` member's pointers properly by using kzalloc() instead of kmalloc() when allocating the simulation work context. Otherwise the pointers contain random content leading to invalid dereferencing.
Signed-off-by: Gyeyoung Baek gye976@gmail.com Signed-off-by: Thomas Gleixner tglx@linutronix.de Link: https://lore.kernel.org/all/20250612124827.63259-1-gye976@gmail.com [ The context change is due to the commit 011f583781fa ("genirq/irq_sim: add an extended irq_sim initializer") which is irrelevant to the logic of this patch. ] Signed-off-by: Rahul Sharma black.hawk@163.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- kernel/irq/irq_sim.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/kernel/irq/irq_sim.c +++ b/kernel/irq/irq_sim.c @@ -166,7 +166,7 @@ struct irq_domain *irq_domain_create_sim { struct irq_sim_work_ctx *work_ctx;
- work_ctx = kmalloc(sizeof(*work_ctx), GFP_KERNEL); + work_ctx = kzalloc(sizeof(*work_ctx), GFP_KERNEL); if (!work_ctx) goto err_out;