From: Vamshi K Sthambamkadi <vamshi.k.sthambamkadi@gmail.com>
To: bskeggs@redhat.com, airlied@linux.ie, daniel@ffwll.ch
Cc: dri-devel@lists.freedesktop.org, nouveau@lists.freedesktop.org,
linux-kernel@vger.kernel.org
Subject: [PATCH] drm/nouveau: fix memory leak in iccsense/base.c
Date: Mon, 19 Oct 2020 14:39:04 +0530 [thread overview]
Message-ID: <20201019090854.GA2085@cosmos> (raw)
kmemleak report:
unreferenced object 0xffff9071c65644e0 (size 96):
comm "systemd-udevd", pid 347, jiffies 4294898424 (age 810.828s)
hex dump (first 32 bytes):
02 01 00 00 00 00 00 00 00 00 10 00 02 04 00 00 ................
00 00 00 00 00 00 a0 86 00 00 00 00 00 00 00 00 ................
backtrace:
[<000000007c0d0ac3>] __kmalloc+0x337/0x500
[<00000000551bfaeb>] nvbios_iccsense_parse+0xf7/0x280 [nouveau]
[<00000000e3e8968b>] nvkm_iccsense_oneinit+0x6c/0x4e0 [nouveau]
[<00000000287e7701>] nvkm_subdev_init+0x58/0xd0 [nouveau]
[<0000000008e4793e>] nvkm_device_init+0x118/0x1a0 [nouveau]
[<000000008cd3afa3>] nvkm_udevice_init+0x48/0x60 [nouveau]
[<000000007e047aee>] nvkm_object_init+0x43/0x110 [nouveau]
[<000000006c56b3a4>] nvkm_ioctl_new+0x184/0x210 [nouveau]
[<0000000080abc890>] nvkm_ioctl+0xf0/0x190 [nouveau]
[<00000000f35056a2>] nvkm_client_ioctl+0x12/0x20 [nouveau]
[<000000000f001008>] nvif_object_ioctl+0x4f/0x60 [nouveau]
[<0000000098d66807>] nvif_object_ctor+0xfb/0x160 [nouveau]
[<00000000fe24934a>] nvif_device_ctor+0x24/0x70 [nouveau]
[<00000000878b3286>] nouveau_cli_init+0x1a3/0x460 [nouveau]
[<00000000a1578335>] nouveau_drm_device_init+0x77/0x740 [nouveau]
[<00000000faef6b28>] nouveau_drm_probe+0x132/0x1f0 [nouveau]
Fix nvkm_iccsense_oneinit(), to free stbl.rail post iteration.
Signed-off-by: Vamshi K Sthambamkadi <vamshi.k.sthambamkadi@gmail.com>
---
drivers/gpu/drm/nouveau/nvkm/subdev/iccsense/base.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/iccsense/base.c b/drivers/gpu/drm/nouveau/nvkm/subdev/iccsense/base.c
index fecfa6a..23d91b6 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/iccsense/base.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/iccsense/base.c
@@ -291,6 +291,7 @@ nvkm_iccsense_oneinit(struct nvkm_subdev *subdev)
list_add_tail(&rail->head, &iccsense->rails);
}
}
+ kfree(stbl.rail);
return 0;
}
--
2.7.4
reply other threads:[~2020-10-19 9:09 UTC|newest]
Thread overview: [no followups] expand[flat|nested] mbox.gz Atom feed
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=20201019090854.GA2085@cosmos \
--to=vamshi.k.sthambamkadi@gmail.com \
--cc=airlied@linux.ie \
--cc=bskeggs@redhat.com \
--cc=daniel@ffwll.ch \
--cc=dri-devel@lists.freedesktop.org \
--cc=linux-kernel@vger.kernel.org \
--cc=nouveau@lists.freedesktop.org \
/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