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AJvYcCWDYPIk0Lw4hatEd9x8hC8x72NRoUKQXIbo3ex9/D8apcxaPonG5uI814ZYUkA74u2dslwWRD/vcQ==@kvack.org X-Gm-Message-State: AOJu0YzjXtphJg1U9nO5XZrWeEC8mGGUPWV6Yaep8FIGQegKQr/lz6dG Gv4T7Rdx1n4ne2JuJDQJO6L315x/bNZ7WM0aOAEOpOS6K0Il4WnNw2yqqis9UN/4Zw8+Ay60Rcq SxbMAa8oxvGlRnUIjuLOo7KhV6bv6tp6bbmrlgwg1 X-Gm-Gg: ASbGnct/8+/GtyW/hHWQYd7D4v4cMb7eIIqi2BpoPF0oPDtkE1mWcuDuye2XtjlLmR7 YNuS+hwXpYkvVgGDaMku5lTcnBmAWlMWjN7Q/Hjv4tkpGlbXibJV4SEWSI3y2PhNnCZVr8cVt8b V9fyUpK3HYuUGIT9TnalDRRIoGHjLEtvOy7OTdhvOGNBatkQI/651L92ingvTgI3MMXNkMgohyo +gN7qFFYD6vImI4ASxgLSHft5RoYlpkZZS7Vmxc7O01RLENf9pmPMoqm7GjoqfQlY9g/z/1a0r0 reoGXDRrKeWfnm3a/p8H18mreZ+xC88IYcNX X-Google-Smtp-Source: AGHT+IFwZrRh7ZKAhbIlR4D12tk51kY/fRatZwY2OQID0vS3YYNT414SduS1rI4gvIe3Me4Ogb4ysXIQ+xiEjdpPLrE= X-Received: by 2002:a05:6a20:3ca7:b0:2e5:c9ee:96fb with SMTP id adf61e73a8af0-32da84ed584mr41211395637.59.1760565053849; Wed, 15 Oct 2025 14:50:53 -0700 (PDT) MIME-Version: 1.0 References: <681a1770.050a0220.a19a9.000d.GAE@google.com> <68ea0a24.050a0220.91a22.01ca.GAE@google.com> <20251014201149.ckkw7okat3cv55qk@skbuf> In-Reply-To: <20251014201149.ckkw7okat3cv55qk@skbuf> From: Jamal Hadi Salim Date: Wed, 15 Oct 2025 17:50:41 -0400 X-Gm-Features: AS18NWBoDDX5v9apL36RaGrCWfEkUt2MPnhglXFLB138k75uT3ov8ARY2TM2AaI Message-ID: Subject: Re: [syzbot] [net?] [mm?] INFO: rcu detected stall in inet_rtm_newaddr (2) To: Vladimir Oltean Cc: Eric Dumazet , syzbot , Vinicius Costa Gomes , davem@davemloft.net, dsahern@kernel.org, hdanton@sina.com, horms@kernel.org, kuba@kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, netdev@vger.kernel.org, pabeni@redhat.com, syzkaller-bugs@googlegroups.com, tglx@linutronix.de Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Stat-Signature: bndyefud454accte4j9gxhdngjyznmsx X-Rspamd-Queue-Id: 0E0D58000F X-Rspam-User: X-Rspamd-Server: rspam08 X-HE-Tag: 1760565054-817448 X-HE-Meta: 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 ZmmlIc4u xwplswPLX9vPr/bBvoUgMKKLBJZeOpJTBAwEVFclb2XuBgASRtREJTYcGX149n5RcFkQ64uBGP7wJMnyaF0++4kogn63Uglw4M3U9ms9TgqtCz1QlQ9eCdTg4PLiJd/R2mnL6ENOechSoqYL9OX/vgpkaIkqcjYFxn/aJmBFYTSJlGv1/VCE1eHfiIm1El3Hllouwf+DnHpXcX4JhEiqUVzXlcvufMhqZ5YuIb3Dpy11on+EmrXbyZoIUBj39vt4MtFH+WXXFdZ13ArDBHK76hdyttiep7FebZD6R0rqzQi3mQVguWKkhrzDUhiRe3jnZ3mgSrMi87QTVAoxCCPSCBy9MFNGwEjXO3f1tS6NHQhsI9hl5OdX+1gOdlllZszKOB7neH0O6YEyoS0asf5eneHYzEnMRl2k2enXDrQvRNJjoFcbLjQiH6KCnui5UAtMa7iY4qzsfq8GN5+odPYIWTMtQDA== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000001, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Tue, Oct 14, 2025 at 4:11=E2=80=AFPM Vladimir Oltean wrote: > > Hi Jamal, > > On Sun, Oct 12, 2025 at 11:52:54AM -0400, Jamal Hadi Salim wrote: > > > > Yet another taprio report. > > > > > > > > If taprio can not be fixed, perhaps we should remove it from the > > > > kernel, or clearly marked as broken. > > > > (Then ask syzbot to no longer include it) > > > > > > Agreed on the challenge with taprio. > > > We need the stakeholders input: Vinicius - are you still working in > > > this space? Vladimir you also seem to have interest (or maybe nxp > > > does) in this? > > > > + Vladmir.. > > > > > At a minimum, we should mark it as broken unless the stakeholders wan= t > > > to actively fix these issues. > > > Would syzbot still look at it if it was marked broken? > > I still have interest in taprio, but at the moment I can't look at this > any sooner than the second half of next week (unless someone else beats > me to it). I've added a note not to lose track. > Thanks! > What is the situation with syzbot reports? I don't actively monitor them, > only if somebody happens to email me. These issues have been lingering forever.. They do get posted on the list. Here are samples: https://lore.kernel.org/netdev/676d25b2.050a0220.2f3838.0464.GAE@google.com= /#r https://lore.kernel.org/netdev/67d2a576.050a0220.14e108.0030.GAE@google.com= / https://lore.kernel.org/netdev/67946a0c.050a0220.3ab881.0010.GAE@google.com= / https://lore.kernel.org/netdev/66e96979.050a0220.252d9a.000a.GAE@google.com= / https://lore.kernel.org/netdev/6777334a.050a0220.3a8527.0058.GAE@google.com= /#t They all point to the same bisected commit, but am not sure whether they are the same issue To get you on Cc from syzbot - i think we'll have to add you as a maintainer for taprio if you'd be okk with that.. cheers, jamal