From: syzbot <syzbot+353d7b75658a95aa955a@syzkaller.appspotmail.com>
To: linux-kernel@vger.kernel.org
Subject: Re: [syzbot] Re: [syzbot] [kernel?] upstream test error: KASAN: slab-use-after-free Write in binderfs_evict_inode
Date: Wed, 12 Mar 2025 22:30:26 -0700 [thread overview]
Message-ID: <67d26d72.050a0220.1939a6.0045.GAE@google.com> (raw)
In-Reply-To: <67d23488.050a0220.14e108.002a.GAE@google.com>
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Subject: Re: [syzbot] [kernel?] upstream test error: KASAN: slab-use-after-free Write in binderfs_evict_inode
Author: lizhi.xu@windriver.com
#syz test
diff --git a/drivers/android/binderfs.c b/drivers/android/binderfs.c
index bc6bae76ccaf..9ac152548030 100644
--- a/drivers/android/binderfs.c
+++ b/drivers/android/binderfs.c
@@ -271,12 +271,12 @@ static void binderfs_evict_inode(struct inode *inode)
mutex_lock(&binderfs_minors_mutex);
--info->device_count;
ida_free(&binderfs_minors, device->miscdev.minor);
- mutex_unlock(&binderfs_minors_mutex);
if (refcount_dec_and_test(&device->ref)) {
kfree(device->context.name);
kfree(device);
}
+ mutex_unlock(&binderfs_minors_mutex);
}
static int binderfs_fs_context_parse_param(struct fs_context *fc,
next prev parent reply other threads:[~2025-03-13 5:30 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-03-13 1:27 [syzbot] [kernel?] upstream test error: KASAN: slab-use-after-free Write in binderfs_evict_inode syzbot
2025-03-13 5:30 ` syzbot [this message]
2025-03-13 9:41 ` [syzbot] " syzbot
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