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Fri, 16 Jan 2026 22:53:27 -0800 (PST) From: Prithvi Tambewagh To: syzbot+df52f4216bf7b4d768e7@syzkaller.appspotmail.com, davem@davemloft.net, edumazet@google.com, horms@kernel.org, kuba@kernel.org, pabeni@redhat.com Cc: linux-hams@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, syzkaller-bugs@googlegroups.com, Prithvi Tambewagh Subject: Testing for netrom: fix KASAN slab-use-after-free in nr_dec_obs() Date: Sat, 17 Jan 2026 12:23:13 +0530 Message-Id: <20260117065313.32506-1-activprithvi@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <69694da9.050a0220.58bed.002a.GAE@google.com> References: <69694da9.050a0220.58bed.002a.GAE@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" #syz test upstream be548645527a131a097fdc884b7fca40c8b86231 Signed-off-by: Prithvi Tambewagh Reported-by: syzbot+df52f4216bf7b4d768e7@syzkaller.appspotmail.com Tested-by: syzbot+df52f4216bf7b4d768e7@syzkaller.appspotmail.com --- net/netrom/nr_route.c | 1 - 1 file changed, 1 deletion(-) diff --git a/net/netrom/nr_route.c b/net/netrom/nr_route.c index b94cb2ffbaf8..788e375537fe 100644 --- a/net/netrom/nr_route.c +++ b/net/netrom/nr_route.c @@ -466,7 +466,6 @@ static int nr_dec_obs(void) nr_neigh =3D s->routes[i].neighbour; =20 nr_neigh->count--; - nr_neigh_put(nr_neigh); =20 if (nr_neigh->count =3D=3D 0 && !nr_neigh->locked) nr_remove_neigh(nr_neigh); base-commit: be548645527a131a097fdc884b7fca40c8b86231 --=20 2.34.1