From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 28C22C4361B for ; Mon, 14 Dec 2020 22:49:41 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 9614D22510 for ; Mon, 14 Dec 2020 22:49:40 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 9614D22510 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=linux-foundation.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id CBECF6B0036; Mon, 14 Dec 2020 17:49:39 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id C6F2A6B005D; Mon, 14 Dec 2020 17:49:39 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id B5E196B0068; Mon, 14 Dec 2020 17:49:39 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0219.hostedemail.com [216.40.44.219]) by kanga.kvack.org (Postfix) with ESMTP id A021C6B0036 for ; Mon, 14 Dec 2020 17:49:39 -0500 (EST) Received: from smtpin17.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with ESMTP id 6009E180AD837 for ; Mon, 14 Dec 2020 22:49:39 +0000 (UTC) X-FDA: 77593381278.17.coast83_25109e32741e Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin17.hostedemail.com (Postfix) with ESMTP id 3FF5C180D018B for ; Mon, 14 Dec 2020 22:49:39 +0000 (UTC) X-HE-Tag: coast83_25109e32741e X-Filterd-Recvd-Size: 8293 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by imf48.hostedemail.com (Postfix) with ESMTP for ; Mon, 14 Dec 2020 22:49:38 +0000 (UTC) Date: Mon, 14 Dec 2020 14:49:36 -0800 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1607986177; bh=uWTOU72kClkQZ2deCVLcseQA/d0bMfV6WOUnuKNUMS0=; h=From:To:Cc:Subject:In-Reply-To:References:From; b=U8zhSjpCw5TtThugNtJNYgq4R8v72nAmoXQKno459SkWThi6eyklL3ITh7e42jkVz K9m7nZcjAAdvJ2rH7mIylkFn0NL4xqFsDlCZBxsiRTISABp4wdkcRBS9JmBMefkGes k4aIB82fXEH8E0NAEkI4MSROg1T9CuWrlDKjTSUY= From: Andrew Morton To: kernel test robot Cc: Willem de Bruijn , Stephen Rothwell , Al Viro , Arnd Bergmann , Matthew Wilcox , LKML , Linux Memory Management List , lkp@lists.01.org, lkp@intel.com Subject: Re: [epoll] fb72873666: WARNING:at_kernel/tracepoint.c:#tracepoint_probe_register_prio Message-Id: <20201214144936.0e80792630d3565033d63a80@linux-foundation.org> In-Reply-To: <20201214145834.GI67148@shao2-debian> References: <20201214145834.GI67148@shao2-debian> X-Mailer: Sylpheed 3.5.1 (GTK+ 2.24.31; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit 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: On Mon, 14 Dec 2020 22:58:34 +0800 kernel test robot wrote: > Greeting, > > FYI, we noticed the following commit (built with gcc-9): > > commit: fb728736669f7805bcc0fa1c4d578faf991d62a8 ("epoll: wire up syscall epoll_pwait2") > https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git master That patch was quite messed up with incorrect syscall numbers, after some rejects storm. I fixed that up but x86_64 was OK before so I'm not sure this explains the crash. arch/alpha/kernel/syscalls/syscall.tbl | 2 +- arch/arm/tools/syscall.tbl | 2 +- arch/ia64/kernel/syscalls/syscall.tbl | 2 +- arch/m68k/kernel/syscalls/syscall.tbl | 2 +- arch/microblaze/kernel/syscalls/syscall.tbl | 2 +- arch/mips/kernel/syscalls/syscall_n32.tbl | 2 +- arch/mips/kernel/syscalls/syscall_n64.tbl | 2 +- arch/mips/kernel/syscalls/syscall_o32.tbl | 2 +- arch/parisc/kernel/syscalls/syscall.tbl | 2 +- arch/powerpc/kernel/syscalls/syscall.tbl | 2 +- arch/s390/kernel/syscalls/syscall.tbl | 2 +- arch/sh/kernel/syscalls/syscall.tbl | 2 +- arch/sparc/kernel/syscalls/syscall.tbl | 2 +- arch/xtensa/kernel/syscalls/syscall.tbl | 2 +- 14 files changed, 14 insertions(+), 14 deletions(-) --- a/arch/alpha/kernel/syscalls/syscall.tbl~epoll-wire-up-syscall-epoll_pwait2-fix +++ a/arch/alpha/kernel/syscalls/syscall.tbl @@ -481,4 +481,4 @@ 549 common faccessat2 sys_faccessat2 550 common process_madvise sys_process_madvise 551 common watch_mount sys_watch_mount -553 common epoll_pwait2 sys_epoll_pwait2 +552 common epoll_pwait2 sys_epoll_pwait2 --- a/arch/arm/tools/syscall.tbl~epoll-wire-up-syscall-epoll_pwait2-fix +++ a/arch/arm/tools/syscall.tbl @@ -455,4 +455,4 @@ 439 common faccessat2 sys_faccessat2 440 common process_madvise sys_process_madvise 441 common watch_mount sys_watch_mount -443 common epoll_pwait2 sys_epoll_pwait2 +442 common epoll_pwait2 sys_epoll_pwait2 --- a/arch/ia64/kernel/syscalls/syscall.tbl~epoll-wire-up-syscall-epoll_pwait2-fix +++ a/arch/ia64/kernel/syscalls/syscall.tbl @@ -362,4 +362,4 @@ 439 common faccessat2 sys_faccessat2 440 common process_madvise sys_process_madvise 441 common watch_mount sys_watch_mount -443 common epoll_pwait2 sys_epoll_pwait2 +442 common epoll_pwait2 sys_epoll_pwait2 --- a/arch/m68k/kernel/syscalls/syscall.tbl~epoll-wire-up-syscall-epoll_pwait2-fix +++ a/arch/m68k/kernel/syscalls/syscall.tbl @@ -441,4 +441,4 @@ 439 common faccessat2 sys_faccessat2 440 common process_madvise sys_process_madvise 441 common watch_mount sys_watch_mount -443 common epoll_pwait2 sys_epoll_pwait2 +442 common epoll_pwait2 sys_epoll_pwait2 --- a/arch/microblaze/kernel/syscalls/syscall.tbl~epoll-wire-up-syscall-epoll_pwait2-fix +++ a/arch/microblaze/kernel/syscalls/syscall.tbl @@ -447,4 +447,4 @@ 439 common faccessat2 sys_faccessat2 440 common process_madvise sys_process_madvise 441 common watch_mount sys_watch_mount -443 common epoll_pwait2 sys_epoll_pwait2 +442 common epoll_pwait2 sys_epoll_pwait2 --- a/arch/mips/kernel/syscalls/syscall_n32.tbl~epoll-wire-up-syscall-epoll_pwait2-fix +++ a/arch/mips/kernel/syscalls/syscall_n32.tbl @@ -380,4 +380,4 @@ 439 n32 faccessat2 sys_faccessat2 440 n32 process_madvise sys_process_madvise 441 n32 watch_mount sys_watch_mount -443 n32 epoll_pwait2 sys_epoll_pwait2 +442 n32 epoll_pwait2 sys_epoll_pwait2 --- a/arch/mips/kernel/syscalls/syscall_n64.tbl~epoll-wire-up-syscall-epoll_pwait2-fix +++ a/arch/mips/kernel/syscalls/syscall_n64.tbl @@ -356,4 +356,4 @@ 439 n64 faccessat2 sys_faccessat2 440 n64 process_madvise sys_process_madvise 441 n64 watch_mount sys_watch_mount -443 n64 epoll_pwait2 sys_epoll_pwait2 +442 n64 epoll_pwait2 sys_epoll_pwait2 --- a/arch/mips/kernel/syscalls/syscall_o32.tbl~epoll-wire-up-syscall-epoll_pwait2-fix +++ a/arch/mips/kernel/syscalls/syscall_o32.tbl @@ -429,4 +429,4 @@ 439 o32 faccessat2 sys_faccessat2 440 o32 process_madvise sys_process_madvise 441 o32 watch_mount sys_watch_mount -443 o32 epoll_pwait2 sys_epoll_pwait2 compat_sys_epoll_pwait2 +442 o32 epoll_pwait2 sys_epoll_pwait2 compat_sys_epoll_pwait2 --- a/arch/parisc/kernel/syscalls/syscall.tbl~epoll-wire-up-syscall-epoll_pwait2-fix +++ a/arch/parisc/kernel/syscalls/syscall.tbl @@ -439,4 +439,4 @@ 439 common faccessat2 sys_faccessat2 440 common process_madvise sys_process_madvise 441 common watch_mount sys_watch_mount -443 common epoll_pwait2 sys_epoll_pwait2 compat_sys_epoll_pwait2 +442 common epoll_pwait2 sys_epoll_pwait2 compat_sys_epoll_pwait2 --- a/arch/powerpc/kernel/syscalls/syscall.tbl~epoll-wire-up-syscall-epoll_pwait2-fix +++ a/arch/powerpc/kernel/syscalls/syscall.tbl @@ -531,4 +531,4 @@ 439 common faccessat2 sys_faccessat2 440 common process_madvise sys_process_madvise 441 common watch_mount sys_watch_mount -443 common epoll_pwait2 sys_epoll_pwait2 compat_sys_epoll_pwait2 +442 common epoll_pwait2 sys_epoll_pwait2 compat_sys_epoll_pwait2 --- a/arch/s390/kernel/syscalls/syscall.tbl~epoll-wire-up-syscall-epoll_pwait2-fix +++ a/arch/s390/kernel/syscalls/syscall.tbl @@ -444,4 +444,4 @@ 439 common faccessat2 sys_faccessat2 sys_faccessat2 440 common process_madvise sys_process_madvise sys_process_madvise 441 common watch_mount sys_watch_mount sys_watch_mount -443 common epoll_pwait2 sys_epoll_pwait2 sys_epoll_pwait2 +442 common epoll_pwait2 sys_epoll_pwait2 sys_epoll_pwait2 --- a/arch/sh/kernel/syscalls/syscall.tbl~epoll-wire-up-syscall-epoll_pwait2-fix +++ a/arch/sh/kernel/syscalls/syscall.tbl @@ -444,4 +444,4 @@ 439 common faccessat2 sys_faccessat2 440 common process_madvise sys_process_madvise 441 common watch_mount sys_watch_mount -443 common epoll_pwait2 sys_epoll_pwait2 +442 common epoll_pwait2 sys_epoll_pwait2 --- a/arch/sparc/kernel/syscalls/syscall.tbl~epoll-wire-up-syscall-epoll_pwait2-fix +++ a/arch/sparc/kernel/syscalls/syscall.tbl @@ -487,4 +487,4 @@ 439 common faccessat2 sys_faccessat2 440 common process_madvise sys_process_madvise 441 common watch_mount sys_watch_mount -443 common epoll_pwait2 sys_epoll_pwait2 +442 common epoll_pwait2 sys_epoll_pwait2 --- a/arch/xtensa/kernel/syscalls/syscall.tbl~epoll-wire-up-syscall-epoll_pwait2-fix +++ a/arch/xtensa/kernel/syscalls/syscall.tbl @@ -412,4 +412,4 @@ 439 common faccessat2 sys_faccessat2 440 common process_madvise sys_process_madvise 441 common watch_mount sys_watch_mount -443 common epoll_pwait2 sys_epoll_pwait2 +442 common epoll_pwait2 sys_epoll_pwait2 _