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Wed, 04 Mar 2026 00:07:56 -0800 (PST) From: Qing Wang To: syzbot+9ea7c90be2b24e189592@syzkaller.appspotmail.com Cc: andrii@kernel.org, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, eddyz87@gmail.com, haoluo@google.com, john.fastabend@gmail.com, jolsa@kernel.org, kpsingh@kernel.org, linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, martin.lau@linux.dev, mathieu.desnoyers@efficios.com, mattbobrowski@google.com, mhiramat@kernel.org, rostedt@goodmis.org, sdf@fomichev.me, song@kernel.org, syzkaller-bugs@googlegroups.com, wangqing7171@gmail.com, yonghong.song@linux.dev Subject: Re: [syzbot] [bpf?] [trace?] KASAN: slab-use-after-free Read in bpf_trace_run3 (2) Date: Wed, 4 Mar 2026 16:07:39 +0800 Message-Id: <20260304080739.198251-1-wangqing7171@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <69a7e4df.050a0220.21ae90.0014.GAE@google.com> References: <69a7e4df.050a0220.21ae90.0014.GAE@google.com> Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit On Wed, 04 Mar 2026 at 15:53, syzbot wrote: > Hello, > > syzbot has tested the proposed patch and the reproducer did not trigger any issue: > > Reported-by: syzbot+9ea7c90be2b24e189592@syzkaller.appspotmail.com > Tested-by: syzbot+9ea7c90be2b24e189592@syzkaller.appspotmail.com > > Tested on: > > commit: 0031c068 Merge tag 'cgroup-for-7.0-rc2-fixes' of git:/.. > git tree: upstream > console output: https://syzkaller.appspot.com/x/log.txt?x=12afb006580000 > kernel config: https://syzkaller.appspot.com/x/.config?x=c5c49ee0942d1cdb > dashboard link: https://syzkaller.appspot.com/bug?extid=9ea7c90be2b24e189592 > compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8 > patch: https://syzkaller.appspot.com/x/patch.diff?x=1566e552580000 > > Note: testing is done by a robot and is best-effort only. It's same as [0]. [0] https://syzkaller.appspot.com/bug?extid=b4c5ad098c821bf8d8bc I sent the fixed patch [1] to [0]. [1] https://lore.kernel.org/all/20260304070927.178464-1-wangqing7171@gmail.com/T/ -- Qing