From: Gyeyoung Baek <gye976@gmail.com>
To: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-kernel@vger.kernel.org, Gyeyoung Baek <gye976@gmail.com>
Subject: [PATCH] irq: Fix uninitialized pointers
Date: Tue, 27 May 2025 18:35:30 +0900 [thread overview]
Message-ID: <20250527093530.958801-1-gye976@gmail.com> (raw)
Fix uninitialized `ops` member's pointers to avoid kernel Oops in `irq_sim_request_resources()`.
Signed-off-by: Gyeyoung Baek <gye976@gmail.com>
---
kernel/irq/irq_sim.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/kernel/irq/irq_sim.c b/kernel/irq/irq_sim.c
index 1a3d483548e2..67fd1de5d197 100644
--- a/kernel/irq/irq_sim.c
+++ b/kernel/irq/irq_sim.c
@@ -222,8 +222,12 @@ struct irq_domain *irq_domain_create_sim_full(struct fwnode_handle *fwnode,
work_ctx->pending = no_free_ptr(pending);
work_ctx->user_data = data;
- if (ops)
+ if (ops) {
memcpy(&work_ctx->ops, ops, sizeof(*ops));
+ } else {
+ work_ctx->ops.irq_sim_irq_released = NULL;
+ work_ctx->ops.irq_sim_irq_requested = NULL;
+ }
return no_free_ptr(work_ctx)->domain;
}
--
2.43.0
next reply other threads:[~2025-05-27 9:35 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-05-27 9:35 Gyeyoung Baek [this message]
2025-06-11 6:39 ` Thomas Gleixner
2025-06-12 11:41 ` Gyeyoung Baek
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20250527093530.958801-1-gye976@gmail.com \
--to=gye976@gmail.com \
--cc=linux-kernel@vger.kernel.org \
--cc=tglx@linutronix.de \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®