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=-8.7 required=3.0 tests=BAYES_00,FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, 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 99629C11F64 for ; Mon, 28 Jun 2021 19:22:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7954761C92 for ; Mon, 28 Jun 2021 19:22:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236456AbhF1TYz (ORCPT ); Mon, 28 Jun 2021 15:24:55 -0400 Received: from mail-il1-f199.google.com ([209.85.166.199]:49734 "EHLO mail-il1-f199.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233366AbhF1TYy (ORCPT ); Mon, 28 Jun 2021 15:24:54 -0400 Received: by mail-il1-f199.google.com with SMTP id a5-20020a056e020e05b02901ef113bb0fcso213273ilk.16 for ; Mon, 28 Jun 2021 12:22:28 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:date:message-id:subject:from:to; bh=HKXlKMZ5iCn1XKDKNpSuZHaZl/SmVYQQ4/hei1bClL0=; b=Cn1cxXCcI8BkHrhf+w/RRvwLd0kbWj1IRRDsmSoLPxpOYVFFAeC4UsOCe+uiiI6euP B5yAAX4V0m2l8V5D8bQhuRPX2E/BYKWjz+J7eM/XkNvlEaaZyB1OOi7U2sjwDBLSd3l3 Hh+N2WbOm0RhB/x55YNk3XSve1z26xixe/hHc94ftqqdgdSNjmoTREY5/qZghRZn2Oy5 4rW07urVHS10nt7sGPMPOhaRIgVuV0W68MW6WB3vx1LzaQYawdnjtfzyD0Hu+BSGAXUb ElALpcXfKXWwvaOFdTxmPT5v9E59JgzeXnbL3xSvZfAeCcZ5tmNKqfLE0IXbJTmxG9UZ v+Hw== X-Gm-Message-State: AOAM533ATsEYisMbXqOpnkS+16TzB/eXUSgjPaB/cJm2Z1H2vlfZZfFW iqmV8XHNdeh0EuHjhWAe78O8zLJL0ZTAHLmYTpH3av/Rxbk6 X-Google-Smtp-Source: ABdhPJwVFz7UoEUXRR9caZiSAnM9CUSv3TgmyHNPoMIm8fKF0GTZ5iYf/dtwScfIG6rYRm4/mLBbpNVSmlyutAFLE4JPg64YLidc MIME-Version: 1.0 X-Received: by 2002:a05:6e02:b47:: with SMTP id f7mr19031227ilu.135.1624908147974; Mon, 28 Jun 2021 12:22:27 -0700 (PDT) Date: Mon, 28 Jun 2021 12:22:27 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000f3e94a05c5d8686f@google.com> Subject: [syzbot] BUG: sleeping function called from invalid context in __fdget_pos From: syzbot To: bp@alien8.de, dave.hansen@intel.com, hpa@zytor.com, jpa@git.mail.kapsi.fi, kan.liang@linux.intel.com, linux-kernel@vger.kernel.org, luto@kernel.org, mingo@redhat.com, syzkaller-bugs@googlegroups.com, tglx@linutronix.de, x86@kernel.org Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, syzbot found the following issue on: HEAD commit: 7426cedc Merge tag 'spi-fix-v5.13-rc7' of git://git.kernel.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=170e6c94300000 kernel config: https://syzkaller.appspot.com/x/.config?x=42ecca11b759d96c dashboard link: https://syzkaller.appspot.com/bug?extid=5d1bad8042a8f0e8117a Unfortunately, I don't have any reproducer for this issue yet. IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+5d1bad8042a8f0e8117a@syzkaller.appspotmail.com BUG: sleeping function called from invalid context at kernel/locking/mutex.c:938 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 29652, name: syz-executor.0 no locks held by syz-executor.0/29652. Preemption disabled at: [] kernel_fpu_begin_mask+0x64/0x260 arch/x86/kernel/fpu/core.c:126 CPU: 0 PID: 29652 Comm: syz-executor.0 Not tainted 5.13.0-rc7-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:79 [inline] dump_stack+0x141/0x1d7 lib/dump_stack.c:120 ___might_sleep.cold+0x1f1/0x237 kernel/sched/core.c:8337 __mutex_lock_common kernel/locking/mutex.c:938 [inline] __mutex_lock+0xa9/0x10c0 kernel/locking/mutex.c:1104 __fdget_pos+0xe9/0x100 fs/file.c:974 fdget_pos include/linux/file.h:75 [inline] ksys_read+0x6e/0x250 fs/read_write.c:625 do_syscall_64+0x3a/0xb0 arch/x86/entry/common.c:47 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x41935c Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 fc ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 2f fd ff ff 48 RSP: 002b:00007f4701c5d170 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 000000000041935c RDX: 000000000000000f RSI: 00007f4701c5d1e0 RDI: 0000000000000005 RBP: 00007f4701c5d1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffc539a90af R14: 00007f4701c5d300 R15: 0000000000022000 BUG: scheduling while atomic: syz-executor.0/29652/0x00000002 no locks held by syz-executor.0/29652. Modules linked in: Preemption disabled at: [] kernel_fpu_begin_mask+0x64/0x260 arch/x86/kernel/fpu/core.c:126 --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@googlegroups.com. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot.