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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 485C1C77B78 for ; Tue, 2 May 2023 19:13:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229564AbjEBTNw (ORCPT ); Tue, 2 May 2023 15:13:52 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45138 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229481AbjEBTNt (ORCPT ); Tue, 2 May 2023 15:13:49 -0400 Received: from mail-io1-f72.google.com (mail-io1-f72.google.com [209.85.166.72]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3BA981BD4 for ; Tue, 2 May 2023 12:13:48 -0700 (PDT) Received: by mail-io1-f72.google.com with SMTP id ca18e2360f4ac-76359b8d29dso625003539f.1 for ; Tue, 02 May 2023 12:13:48 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1683054827; x=1685646827; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=InXp03jLWyDtxQmsmM2EOXI+3RqTMph3NW+J+ZQs6Ro=; b=RWDLmvp3LLKv/xorpSZxT7CuIZ9+NbWeUAIsVvsm7Bq050etOTpWzlzlHAZtpX3osE Z75pzNnpommVQ3lHHQO1U1SY7smosKkh0DrScjOrAKS3+eQF21ZAIefhOM5hjG+0ItM9 uSExcCHYucaGCLpsW9yi+oUeM6GQzEt6vlqNTv2V1FObe4pzAC3taXR39MhAguZRmrR7 pG7IOy3abPBG0ufsAdzZ33O38b+UigCjhF5/Ot3/LNlM3wn57nYTGB9iVCrPgvOW3uVy f1+ltuPfPO/EtepKYumH4gpTuUhosCQyL3NQBQoDUpQRYRuyp298rcBaQolpCWOyAMHI L+4g== X-Gm-Message-State: AC+VfDxqkmgeAmgo4tuXQUxp+RkCUjbW/7SMOXOlosQ2a0QYIYe5YZEe WcYrfXYxlv8pSzc+V9ep1dPXCs56MDuoNErOlbeHcDj1eEzqW8Y= X-Google-Smtp-Source: ACHHUZ5Ub85TDA4S/kF+Xv7sjF5yHLduMPPk7luRElDiVhjmrPYuZTl/HzGkO3MyUTZ67Qx+nH6/Ctm84A40/Fu5ZX961GTUYzbp MIME-Version: 1.0 X-Received: by 2002:a6b:ed0f:0:b0:760:9d4c:814 with SMTP id n15-20020a6bed0f000000b007609d4c0814mr8574571iog.4.1683054827518; Tue, 02 May 2023 12:13:47 -0700 (PDT) Date: Tue, 02 May 2023 12:13:47 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000021ca9a05fababd21@google.com> Subject: [syzbot] upstream boot error: BUG: unable to handle kernel NULL pointer dereference in generic_handle_domain_irq From: syzbot To: linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com, tglx@linutronix.de 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: d7b3ffe2d7e4 Merge tag 'backlight-next-6.4' of git://git.k.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=14a288c4280000 kernel config: https://syzkaller.appspot.com/x/.config?x=124f13edd5df0b0d dashboard link: https://syzkaller.appspot.com/bug?extid=9ccf090539dced888489 compiler: arm-linux-gnueabi-gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 userspace arch: arm IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+9ccf090539dced888489@syzkaller.appspotmail.com 8<--- cut here --- Unable to handle kernel NULL pointer dereference at virtual address 0000003b when read [0000003b] *pgd=80000080004003, *pmd=00000000 Internal error: Oops: 207 [#1] PREEMPT SMP ARM Modules linked in: CPU: 0 PID: 0 Comm: swapper/0 Not tainted 6.3.0-syzkaller #0 Hardware name: ARM-Versatile Express PC is at generic_handle_irq_desc include/linux/irqdesc.h:158 [inline] PC is at handle_irq_desc kernel/irq/irqdesc.c:651 [inline] PC is at generic_handle_domain_irq+0x20/0x40 kernel/irq/irqdesc.c:707 LR is at rcu_read_unlock include/linux/rcupdate.h:805 [inline] LR is at __irq_resolve_mapping+0x54/0x90 kernel/irq/irqdomain.c:973 pc : [<802b8fb8>] lr : [<802c0e00>] psr: a0000193 sp : 82601e78 ip : 82601e58 fp : 82601e84 r10: 00000000 r9 : 8261ae40 r8 : 00000000 r7 : df80a00c r6 : 824aebe0 r5 : df80a000 r4 : 8260cdf4 r3 : ffffffff r2 : 8261ae40 r1 : 0000001b r0 : ffffffff Flags: NzCv IRQs off FIQs on Mode SVC_32 ISA ARM Segment user Control: 30c5387d Table: 84a1e300 DAC: fffffffd Register r0 information: non-paged memory Register r1 information: non-paged memory Register r2 information: non-slab/vmalloc memory Register r3 information: non-paged memory Register r4 information: non-slab/vmalloc memory Register r5 information: 8<--- cut here --- Unable to handle kernel NULL pointer dereference at virtual address 000001ff when read [000001ff] *pgd=80000080004003, *pmd=00000000 Internal error: Oops: 207 [#2] PREEMPT SMP ARM Modules linked in: CPU: 0 PID: 0 Comm: swapper/0 Not tainted 6.3.0-syzkaller #0 Hardware name: ARM-Versatile Express PC is at __find_vmap_area mm/vmalloc.c:841 [inline] PC is at find_vmap_area mm/vmalloc.c:1862 [inline] PC is at find_vm_area mm/vmalloc.c:2623 [inline] PC is at vmalloc_dump_obj+0x38/0xb4 mm/vmalloc.c:4221 LR is at __raw_spin_lock include/linux/spinlock_api_smp.h:132 [inline] LR is at _raw_spin_lock+0x18/0x58 kernel/locking/spinlock.c:154 pc : [<8047a1f0>] lr : [<8180165c>] psr: 20000193 sp : 82601d08 ip : 82601cf0 fp : 82601d1c r10: 8261ae40 r9 : 8261c9a4 r8 : 8285041c r7 : 60000193 r6 : 00000006 r5 : df80a000 r4 : 00000207 r3 : 80216638 r2 : 00002003 r1 : 00000000 r0 : 00000001 Flags: nzCv IRQs off FIQs on Mode SVC_32 ISA ARM Segment user Control: 30c5387d Table: 84a1e300 DAC: fffffffd --- 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. If the bug is already fixed, let syzbot know by replying with: #syz fix: exact-commit-title If you want to change bug's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the bug is a duplicate of another bug, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup