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bh=ZZVqt4zJTdAbKIcvjcw57N6juLTvcK2zWsqCYdTEkzE=; b=eDXqHNek1XSv/H1vmu8SrDWDhmtIaJ4kuylg7jvmq0lh8t75j3VboHCzSfgG6yC2Kg8/TF 6CgGhucIQjkbrICQ== Received: by hawking.nue2.suse.org (Postfix, from userid 17005) id E7C9E4A04B3; Wed, 24 Jan 2024 12:59:54 +0100 (CET) From: Andreas Schwab To: Xi Ruoyao Cc: linux-mips@vger.kernel.org, linux-kernel@vger.kernel.org, Jiaxun Yang , Thomas Bogendoerfer , libc-alpha@sourceware.org Subject: Re: Strange EFAULT on mips64el returned by syscall when another thread is forking In-Reply-To: <75e9fd7b08562ad9b456a5bdaacb7cc220311cc9.camel@xry111.site> (Xi Ruoyao's message of "Wed, 24 Jan 2024 18:42:30 +0800") References: <75e9fd7b08562ad9b456a5bdaacb7cc220311cc9.camel@xry111.site> X-Yow: ...It's REAL ROUND.. And it's got a POINTY PART right in the MIDDLE!! The shape is SMOOTH.. ..And COLD.. It feels very COMFORTABLE on my CHEEK.. I'm getting EMOTIONAL.. Date: Wed, 24 Jan 2024 12:59:54 +0100 Message-ID: User-Agent: Gnus/5.13 (Gnus v5.13) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain Authentication-Results: smtp-out1.suse.de; none X-Spam-Level: X-Spam-Score: -1.42 X-Spamd-Result: default: False [-1.42 / 50.00]; ARC_NA(0.00)[]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; MIME_GOOD(-0.10)[text/plain]; RCPT_COUNT_FIVE(0.00)[6]; DKIM_SIGNED(0.00)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; NEURAL_HAM_SHORT(-0.01)[-0.038]; DBL_BLOCKED_OPENRESOLVER(0.00)[suse.de:email]; FUZZY_BLOCKED(0.00)[rspamd.com]; RCVD_COUNT_ZERO(0.00)[0]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+]; MID_RHS_MATCH_FROM(0.00)[]; BAYES_HAM(-0.31)[75.41%] X-Spam-Flag: NO On Jan 24 2024, Xi Ruoyao wrote: > Now I'm suspecting this might be a kernel bug. Any pointer to further > triage? Is this a regression? -- Andreas Schwab, SUSE Labs, schwab@suse.de GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE 1748 E4D4 88E3 0EEA B9D7 "And now for something completely different."