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Thu, 19 Mar 2026 19:41:28 -0700 (PDT) From: Qing Wang To: syzbot+ca51b6e7e751edd6bbfd@syzkaller.appspotmail.com, Alexei Starovoitov , Daniel Borkmann , John Fastabend , Andrii Nakryiko , Martin KaFai Lau , Eduard Zingerman , Song Liu , Yonghong Song , KP Singh , Stanislav Fomichev , Hao Luo , Jiri Olsa Cc: bpf@vger.kernel.org, linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Subject: [syzbot] [bpf?] [trace?] KASAN: slab-use-after-free Read in bpf_trace_run4 (2) Date: Fri, 20 Mar 2026 10:41:16 +0800 Message-Id: <20260320024116.3421185-1-wangqing7171@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <69bc31f8.050a0220.18f14c.0051.GAE@google.com> References: <69bc31f8.050a0220.18f14c.0051.GAE@google.com> Precedence: bulk X-Mailing-List: linux-trace-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit There was a fix patch [1] for this issue, and it is the same as syz-AI's analysis. [1] https://lore.kernel.org/all/20260304092345.233522-1-wangqing7171@gmail.com/T/ Some similar issues which have syz reproducer: https://syzkaller.appspot.com/bug?extid=9ea7c90be2b24e189592 https://syzkaller.appspot.com/bug?extid=b4c5ad098c821bf8d8bc Welcome to review and comment this patch. -- Qing