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 EA7C2C77B73 for ; Tue, 2 May 2023 09:53:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233644AbjEBJxA convert rfc822-to-8bit (ORCPT ); Tue, 2 May 2023 05:53:00 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47198 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233373AbjEBJw7 (ORCPT ); Tue, 2 May 2023 05:52:59 -0400 Received: from mail-io1-f71.google.com (mail-io1-f71.google.com [209.85.166.71]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7AFD030F6 for ; Tue, 2 May 2023 02:52:57 -0700 (PDT) Received: by mail-io1-f71.google.com with SMTP id ca18e2360f4ac-763da06581dso214248839f.3 for ; Tue, 02 May 2023 02:52:57 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1683021177; x=1685613177; h=content-transfer-encoding:to:from:subject:message-id:date :mime-version:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=1vikVBvsLI5HDIVu840mMsYLutm2GK4CYpSss0kBN2A=; b=DgZd7vymfh3xdiY4buW+M7UuWU6PKjiKxYcSwTPVFTpCiYBaR3tH3KmdwslL8HwRmD ui9ApIgiXg+14uridC7eE0KE1rw2tDLTrGoAd17uAy0t9wK/wqsjf4aoc2R3HXUwxsM9 KrzSEXboxB1fX6+YYKF2YSq8FFzvFZGpQRDZmaplyXqASQd7oMDjJmekIwVkOvZ647bT lTqPl76tGHH/qhNVN1WdwHZa5B0MK5R/n7tNgxL1gWOC0wnYq7vsk6zyW20NRnmv7Vjt iDOx0EixYR2+gKP0JHd0okHFJmiIO4BdJgoD6bc4yqEM+qD9v55Ehv2STXFMuMdrxhvD hn5g== X-Gm-Message-State: AC+VfDyCxsTvHB9LrABEVYBcHSkBzwrbHc3E7dc+Ai74ZjhyLrjsNfuT nW3WZOuXrfrpRvLG/LwP4H0ji9yoGU/HexRDWf3wb27efxZ+ X-Google-Smtp-Source: ACHHUZ4k7ywFNbb5MbG4BhQg/EXw7m5QnIt7dRIRm6+gUMZjpe4m6NU4v8uF3THDQ/NrKrUvrMl/Mn8Tx9vh/osGI0b7lRUQRWrc MIME-Version: 1.0 X-Received: by 2002:a02:8668:0:b0:40f:cf8b:7c74 with SMTP id e95-20020a028668000000b0040fcf8b7c74mr7557544jai.0.1683021176852; Tue, 02 May 2023 02:52:56 -0700 (PDT) Date: Tue, 02 May 2023 02:52:56 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000065594605fab2e72c@google.com> Subject: [syzbot] upstream boot error: BUG: unable to handle kernel paging request in gpiod_set_value From: syzbot To: brgl@bgdev.pl, linus.walleij@linaro.org, linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8BIT Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org Hello, syzbot found the following issue on: HEAD commit: 865fdb08197e Merge tag 'input-for-v6.4-rc0' of git://git.k.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=16481bf8280000 kernel config: https://syzkaller.appspot.com/x/.config?x=d43eae746231feb3 dashboard link: https://syzkaller.appspot.com/bug?extid=5e3c3df60302959ef641 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+5e3c3df60302959ef641@syzkaller.appspotmail.com Movable zone start for each node Early memory node ranges node 0: [mem 0x0000000080000000-0x00000000ffffffff] Initmem setup node 0 [mem 0x0000000080000000-0x00000000ffffffff] percpu: Embedded 19 pages/cpu s47048 r8192 d22584 u77824 Kernel command line: root=/dev/vda console=ttyAMA0 earlyprintk=serial net.ifnames=0 sysctl.kernel.hung_task_all_cpu_backtrace=1 ima_policy=tcb nf-conntrack-ftp.ports=20000 nf-conntrack-tftp.ports=20000 nf-conntrack-sip.ports=20000 nf-conntrack-irc.ports=20000 nf-conntrack-sane.ports=20000 binder.debug_mask=0 rcupdate.rcu_expedited=1 rcupdate.rcu_cpu_stall_cputime=1 no_hash_pointers page_owner=on sysctl.vm.nr_hugepages=4 sysctl.vm.nr_overcommit_hugepages=4 secretmem.enable=1 sysctl.max_rcu_stall_to_panic=1 msr.allow_writes=off coredump_filter=0xffff root=/dev/vda console=ttyAMA0 vmalloc=512M smp.csd_lock_timeout=300000 watchdog_thresh=165 workqueue.watchdog_thresh=420 sysctl.net.core.netdev_unregister_timeout_secs=420 dummy_hcd.num=2 panic_on_warn=1 Unknown kernel command line parameters "earlyprintk=serial page_owner=on", will be passed to user space. Dentry cache hash table entries: 262144 (order: 8, 1048576 bytes, linear) Inode-cache hash table entries: 131072 (order: 7, 524288 bytes, linear) Built 1 zonelists, mobility grouping on. Total pages: 520868 allocated 2097152 bytes of page_ext mem auto-init: stack:off, heap alloc:on, heap free:off software IO TLB: area num 2. software IO TLB: mapped [mem 0x00000000d9a47000-0x00000000dda47000] (64MB) Memory: 1952316K/2097152K available (24576K kernel code, 2364K rwdata, 8404K rodata, 2048K init, 868K bss, 128452K reserved, 16384K cma-reserved, 524288K highmem) SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=1 trace event string verifier disabled rcu: Preemptible hierarchical RCU implementation. rcu: RCU restricting CPUs from NR_CPUS=8 to nr_cpu_ids=2. rcu: RCU callback double-/use-after-free debug is enabled. All grace periods are expedited (rcu_expedited). Trampoline variant of Tasks RCU enabled. Tracing variant of Tasks RCU enabled. rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2 NR_IRQS: 16, nr_irqs: 16, preallocated irqs: 16 GIC physical location is 0x2c001000 rcu: srcu_init: Setting srcu_struct sizes based on contention. sched_clock: 32 bits at 24MHz, resolution 41ns, wraps every 89478484971ns clocksource: arm,sp804: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275 ns arch_timer: cp15 timer(s) running at 62.50MHz (virt). clocksource: arch_sys_counter: mask: 0x1ffffffffffffff max_cycles: 0x1cd42e208c, max_idle_ns: 881590405314 ns sched_clock: 57 bits at 63MHz, resolution 16ns, wraps every 4398046511096ns Switching to timer-based delay loop, resolution 16ns Console: colour dummy device 80x30 Calibrating delay loop (skipped), value calculated using timer frequency.. 125.00 BogoMIPS (lpj=625000) pid_max: default: 32768 minimum: 301 LSM: initializing lsm=lockdown,capability,landlock,yama,safesetid,tomoyo,selinux,bpf,integrity landlock: Up and running. Yama: becoming mindful. TOMOYO Linux initialized SELinux: Initializing. LSM support for eBPF active stackdepot: allocating hash table of 131072 entries via kvcalloc Mount-cache hash table entries: 4096 (order: 2, 16384 bytes, linear) Mountpoint-cache hash table entries: 4096 (order: 2, 16384 bytes, linear) CPU: Testing write buffer coherency: ok CPU0: Spectre BHB: enabling loop workaround for all CPUs CPU1: thread -1, cpu 1, socket 0, mpidr 80000001 8<--- cut here --- Unable to handle kernel paging request at virtual address 000c01f3 when read [000c01f3] *pgd=80000080004003, *pmd=00000000 Internal error: Oops: 206 [#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 gpiod_set_value+0x38/0xc0 drivers/gpio/gpiolib.c:3222 LR is at gpio_led_set+0x5c/0x60 drivers/leds/leds-gpio.c:54 pc : [<80891a24>] lr : [<8107f408>] psr: 20000113 sp : 82601e90 ip : 82601ea8 fp : 82601ea4 r10: 00000000 r9 : 827e16e6 r8 : 00000001 r7 : dddd1798 r6 : 000000ff r5 : 00000001 r4 : 835c27a8 r3 : 000c0193 r2 : 8107f3ac r1 : 00000001 r0 : 83194800 Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user Control: 30c5387d Table: 80003000 DAC: fffffffd Register r0 information: slab kmalloc-1k start 83194800 pointer offset 0 size 1024 Register r1 information: non-paged memory Register r2 information: non-slab/vmalloc memory Register r3 information: non-paged memory Register r4 information: slab kmalloc-192 start 835c2780 pointer offset 40 size 192 Register r5 information: non-paged memory Register r6 information: non-paged memory Register r7 information: 8<--- cut here --- Unable to handle kernel paging request at virtual address df943ff8 when read [df943ff8] *pgd=80000080007003, *pmd=83093003, *pte=802160e880216664 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 : [<818016fc>] psr: a0000193 sp : 82601cf8 ip : 82601ce0 fp : 82601d0c r10: 8261ae40 r9 : 8261c9a4 r8 : 8285041c r7 : 60000113 r6 : 00000008 r5 : dddd2000 r4 : df944000 r3 : 00000000 r2 : 0000215b r1 : 00000000 r0 : 00000001 Flags: NzCv IRQs off FIQs on Mode SVC_32 ISA ARM Segment user Control: 30c5387d Table: 80003000 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