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bh=2hT8KVPsa5RdyiLGO57N+TwGOktseVB2WsDCUc2zYvM=; b=3CruHusiyg2EWDv/yyHV+xL4uFZcsh4h/eNehOGPH+F6oi1D2lNfRT08nJnTw2b4O+y6dF UDbv/uFp8c+ENIV3MpoQPp2G2gcbLizhPBmWuFawOmoXCU6HQPx2TZFzBJJBgxPw0I6A5b flTTBflg8kh92/rKPKtX13AWUhVRuVl/nHMyBGwrhFhapvdx0+tN9P43J6ubXf/q3/VeaF CPwqNcdh9BgW14C5LV2NQULF5XwKyT6jIVpOX6SU2roS/2/cdn2ljTW1eys+q+xMiyL2Vv c0fIMNKPNhvMd6vJPg+95auXtVqsw4AVii8g9kJkupMd/OYwwBgTs07hxo0MVg== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1758900115; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=2hT8KVPsa5RdyiLGO57N+TwGOktseVB2WsDCUc2zYvM=; b=b6etWZQZE0mgEcqodZ+mRMiw+zt/etkTESdj45IN8C72/j2AFv6hU5rLJ+r7G6uUbAY7Kb Xg+pO3X486C/BUCw== From: Sebastian Andrzej Siewior To: Vlastimil Babka Cc: Edward Adam Davis , kees@kernel.org, akpm@linux-foundation.org, mingo@redhat.com, peterz@infradead.org, juri.lelli@redhat.com, vincent.guittot@linaro.org, dietmar.eggemann@arm.com, rostedt@goodmis.org, bsegall@google.com, mgorman@suse.de, vschneid@redhat.com, david@redhat.com, lorenzo.stoakes@oracle.com, Liam.Howlett@oracle.com, rppt@kernel.org, surenb@google.com, mhocko@suse.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH Next] copy_process(): Fixed jump logic error Message-ID: <20250926152154.MYtjJh-Q@linutronix.de> References: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: X-Rspamd-Queue-Id: 121C520012 X-Stat-Signature: jd3bhjjgua3m194beoqtosoibedxcsgm X-Rspam-User: X-Rspamd-Server: rspam01 X-HE-Tag: 1758900117-517817 X-HE-Meta: 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 Tm/xdaQp /SsT+Nle5j/bdfbV04QI1BoW2hXQ32fH6Z5U2Dc7Yj3ZXy1Jlk5OFaF8CoN40Bxm7v5eOWctFAkFGbU1W4x4iqFQNi+qhUXslVvONWBywuEzdugVhYiGStUPUOHNzOAdridNW0rpSx4Ji9OEW6nEGsqvQsaYfHlkYwQedEtZ+Aojy9z/xtlk1NoiH3NZLDFfZ3B0PUYN/CRtia5CXmEDMoCT7MmZrvjzUpsRcAq1nxeA/WkmHkOQw96yTIeImIQI/zCoLwmaNBmeMZFc= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, 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 2025-09-26 17:11:12 [+0200], Vlastimil Babka wrote: > On 9/24/25 14:06, Edward Adam Davis wrote: > > After futex_hash_allocate_default() fails, the logic should jump to > > bad_fork_cancel_cgroup, not bad_fork_core_free. > > > > Jumping to bad_fork_core_free would cause a siglock imbalance. > > > > Signed-off-by: Edward Adam Davis > > Sebastian already fixed this and it's in tip: locking/urgent A pull request has been sent to Linus earlier today. Sebastian