From mboxrd@z Thu Jan 1 00:00:00 1970 From: Yann E. MORIN Date: Thu, 27 May 2021 17:44:35 +0200 Subject: [Buildroot] [Bug 13586] New: grub failure with BR2_OPTIMIZE_3 In-Reply-To: References: Message-ID: <20210527154435.GV3208066@scaer> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: buildroot@busybox.net Andreas, All, On 2021-05-27 17:33 +0200, Andreas Hilse via buildroot spake thusly: > following up on this because I also encountered this error. > > There is a bug report on the grub bug tracker by Tony Battersby who > bisected the error down to a certain patch/bugfix: > https://savannah.gnu.org/bugs/?60458 > > The mentioned patch has also been included in buildroot as > boot/grub2/0132-kern-parser-Fix-a-stack-buffer-overflow.patch with > commit e840f2d469. > > I can also confirm, that removing that patch fixes the issue of grub > loop of endless rebooting. Thanks for the report. However, this patch is a security fix, so reverting it is not so nice either. Since it seems that using another optimisation level works arorund the issue, I would be more inclined to change that, e.g. to -Os, as the reporter seems to imply it works for them. Would you please send a patch with such a workaround, please? Regards, Yann E. MORIN. -- .-----------------.--------------------.------------------.--------------------. | Yann E. MORIN | Real-Time Embedded | /"\ ASCII RIBBON | Erics' conspiracy: | | +33 662 376 056 | Software Designer | \ / CAMPAIGN | ___ | | +33 561 099 427 `------------.-------: X AGAINST | \e/ There is no | | http://ymorin.is-a-geek.org/ | _/*\_ | / \ HTML MAIL | v conspiracy. | '------------------------------^-------^------------------^--------------------'