From: Edward Adam Davis <eadavis@qq.com>
To: syzbot+f57d67a92532a98a562d@syzkaller.appspotmail.com
Cc: linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com
Subject: Re: [syzbot] [block?] memory leak in null_init_zoned_dev
Date: Fri, 14 Aug 2026 12:50:49 +0800 [thread overview]
Message-ID: <tencent_4789B22EE9EED9CC8127EF06CED2C7065106@qq.com> (raw)
In-Reply-To: <6a7e5b5b.f70deec7.2acc03.000e.GAE@google.com>
#syz test
diff --git a/drivers/block/null_blk/main.c b/drivers/block/null_blk/main.c
index f8c0fd57e041..fb001d002d17 100644
--- a/drivers/block/null_blk/main.c
+++ b/drivers/block/null_blk/main.c
@@ -511,6 +511,7 @@ static ssize_t nullb_device_power_store(struct config_item *item,
if (test_and_clear_bit(NULLB_DEV_FL_UP, &dev->flags)) {
dev->power = newp;
null_del_dev(dev->nullb);
+ null_free_zoned_dev(dev);
}
clear_bit(NULLB_DEV_FL_CONFIGURED, &dev->flags);
}
next prev parent reply other threads:[~2026-08-14 4:50 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-14 0:03 syzbot
2026-08-14 4:50 ` Edward Adam Davis [this message]
2026-08-14 8:06 ` syzbot
2026-08-14 8:21 ` [PATCH] nullb: free zones when device is power-off Edward Adam Davis
2026-08-15 2:02 ` Zizhi Wo
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