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Date: Thu, 3 Nov 2022 13:54:04 +0100 From: Thorsten Leemhuis <regressions@...mhuis.info> To: regressions@...ts.linux.dev Cc: linux-kernel@...r.kernel.org Subject: Re: [REGRESSION 6.0.x / 6.1.x] NULL dereferencing at tracing #forregzbot [Note: this mail is primarily send for documentation purposes and/or for regzbot, my Linux kernel regression tracking bot. That's why I removed most or all folks from the list of recipients, but left any that looked like a mailing lists. These mails usually contain '#forregzbot' in the subject, to make them easy to spot and filter out.] On 31.10.22 08:11, Takashi Iwai wrote: > > we've got a bug report indicating the NULL dereference at the recent > tracing changes, showing at the start of KDE. The details including > the dmesg are found at: > https://bugzilla.opensuse.org/show_bug.cgi?id=1204705 > > It was reported at first for 6.0.3, and confirmed that the problem > persists with 6.1-rc, too. > > The culprit seems to be the commit > f3ddb74ad0790030c9592229fb14d8c451f4e9a8 > tracing: Wake up ring buffer waiters on closing of the file > and reverting it seems fixing the problem. > > Could you take a look? Just adding this to the tracking: #regzbot introduced f3ddb74ad07 ^ https://bugzilla.opensuse.org/show_bug.cgi?id=1204705 #regzbot title NULL dereferencing at tracing #regzbot ignore-activity #regzbot monitor: https://lore.kernel.org/all/20221101191009.1e7378c8@rorschach.local.home/ Ciao, Thorsten
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