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 16181C77B7C for ; Thu, 4 May 2023 06:25:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229907AbjEDGZJ convert rfc822-to-8bit (ORCPT ); Thu, 4 May 2023 02:25:09 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43456 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229659AbjEDGZG (ORCPT ); Thu, 4 May 2023 02:25:06 -0400 Received: from mail-il1-f198.google.com (mail-il1-f198.google.com [209.85.166.198]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9906226AD for ; Wed, 3 May 2023 23:25:01 -0700 (PDT) Received: by mail-il1-f198.google.com with SMTP id e9e14a558f8ab-3315646c88cso1778595ab.3 for ; Wed, 03 May 2023 23:25:01 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1683181501; x=1685773501; 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=SoWQLBawI/1vGZx6Rxp7lM96E1fIPAchJV0aVF52VyQ=; b=J6lbk0XbrxYmI3v0kqk8eHLwlfjvSVEzw0jkiW7fUSXFkqNMije0BuAUtQ5lMniVp3 gA5dlthVL0Y4sTq8tJ6djqNFMMOl638rmvoDAGkha5UwdB1+ZFxYzeAa+1FyCYqIjJ1h 4OnQ1/60MZ+NbMn9mmAMNXsAIIymAInO+dBAdBGjYrZYnRYnR1aGw+lRmOvdOhuvj727 2D6fna6rWaQ861iOBjQzaK4A/XWjk2w190g6gifR1ppzgOi1l8Y3UvCDfw1G55eCpL7J 2TxSR1HBQU6P94AIhBZ5zTN54ea7fyr2d75a8qm2amI/e6HQeHtdhTWCJYU7KfzPRP7e uDSA== X-Gm-Message-State: AC+VfDwYTOOVkREA8yTJsOFudHokjSE+k+c1/7qAujzcvIIDtHw1lxQ5 c32o3Xom1vI1t02o1f0WYAfLYopg1IBGOU4xeNKJl/W5QBOc X-Google-Smtp-Source: ACHHUZ4Lqz2b+nA+1muaRTm1b++lu1A7i5jJo3shdvMzVtVHH6hTiy4DYvDEceBGpBosPqm5xBRQxf7tc8klLBF9E/304DT3FXJR MIME-Version: 1.0 X-Received: by 2002:a02:7a45:0:b0:40b:c01e:6d0f with SMTP id z5-20020a027a45000000b0040bc01e6d0fmr11023104jad.2.1683181500940; Wed, 03 May 2023 23:25:00 -0700 (PDT) Date: Wed, 03 May 2023 23:25:00 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000074cbe805fad83bb6@google.com> Subject: [syzbot] upstream boot error: WARNING in print_tainted 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: 1a5304fecee5 Merge tag 'parisc-for-6.4-1' of git://git.ker.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=1081973c280000 kernel config: https://syzkaller.appspot.com/x/.config?x=124f13edd5df0b0d dashboard link: https://syzkaller.appspot.com/bug?extid=6a9b930b1a8d784b692a 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+6a9b930b1a8d784b692a@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 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 0 at drivers/gpio/gpiolib.c:3222 gpiod_set_value+0x6c/0xc0 drivers/gpio/gpiolib.c:3222 Modules linked in: Kernel panic - not syncing: kernel: panic_on_warn set ... CPU: 0 PID: 0 Comm: swapper/0 Not tainted 6.3.0-syzkaller #0 Hardware name: ARM-Versatile Express Backtrace: [<817d86c4>] (dump_backtrace) from [<817d87b8>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:256) r7:00000000 r6:826229c4 r5:60000193 r4:81f9cf30 [<817d87a0>] (show_stack) from [<817f5290>] (__dump_stack lib/dump_stack.c:88 [inline]) [<817d87a0>] (show_stack) from [<817f5290>] (dump_stack_lvl+0x48/0x54 lib/dump_stack.c:106) [<817f5248>] (dump_stack_lvl) from [<817f52b4>] (dump_stack+0x18/0x1c lib/dump_stack.c:113) r5:00000000 r4:82850d14 [<817f529c>] (dump_stack) from [<817d92b0>] (panic+0x120/0x370 kernel/panic.c:340) [<817d9190>] (panic) from [<80241fa8>] (print_tainted+0x0/0xa0 kernel/panic.c:236) r3:8260c488 r2:00000001 r1:81f86028 r0:81f8da38 r7:808919a4 [<80241f24>] (check_panic_on_warn) from [<8024219c>] (__warn+0x7c/0x180 kernel/panic.c:673) [<80242120>] (__warn) from [<80242378>] (warn_slowpath_fmt+0xd8/0x1d8 kernel/panic.c:697) r8:00000009 r7:00000c96 r6:81fef2c4 r5:8260c964 r4:824adf7c [<802422a4>] (warn_slowpath_fmt) from [<808919a4>] (gpiod_set_value+0x6c/0xc0 drivers/gpio/gpiolib.c:3222) r10:00000000 r9:827e1666 r8:00000001 r7:dddd1798 r6:000000ff r5:00000001 r4:84154868 [<80891938>] (gpiod_set_value) from [<8107f2f0>] (gpio_led_set+0x5c/0x60 drivers/leds/leds-gpio.c:54) r5:000000ff r4:8301c1dc [<8107f294>] (gpio_led_set) from [<8107d720>] (__led_set_brightness drivers/leds/led-core.c:47 [inline]) [<8107f294>] (gpio_led_set) from [<8107d720>] (led_set_brightness_nopm drivers/leds/led-core.c:271 [inline]) [<8107f294>] (gpio_led_set) from [<8107d720>] (led_set_brightness_nosleep+0x38/0x5c drivers/leds/led-core.c:287) r5:000000ff r4:8301c1dc [<8107d6e8>] (led_set_brightness_nosleep) from [<8107da6c>] (led_set_brightness+0x64/0x68 drivers/leds/led-core.c:264) [<8107da08>] (led_set_brightness) from [<8107e908>] (led_trigger_event drivers/leds/led-triggers.c:390 [inline]) [<8107da08>] (led_set_brightness) from [<8107e908>] (led_trigger_event+0x38/0x50 drivers/leds/led-triggers.c:380) r5:8415f814 r4:8301c1dc [<8107e8d0>] (led_trigger_event) from [<8107fcd0>] (ledtrig_cpu+0xb0/0x100 drivers/leds/trigger/ledtrig-cpu.c:86) r7:dddd1798 r6:00000002 r5:8290cee4 r4:000001fd [<8107fc20>] (ledtrig_cpu) from [<80208efc>] (arch_cpu_idle_exit+0x14/0x18 arch/arm/kernel/process.c:98) r9:827e1666 r8:00000000 r7:8260c4e0 r6:8261ae40 r5:8260c498 r4:00000000 [<80208ee8>] (arch_cpu_idle_exit) from [<80293568>] (do_idle+0x7c/0x2f0 kernel/sched/idle.c:284) [<802934ec>] (do_idle) from [<80293af8>] (cpu_startup_entry+0x20/0x24 kernel/sched/idle.c:379) r10:82850000 r9:8260c440 r8:8261a934 r7:00000000 r6:8260c440 r5:82625c7c r4:000000ea [<80293ad8>] (cpu_startup_entry) from [<817f7294>] (rest_init+0xdc/0xe0 init/main.c:735) [<817f71b8>] (rest_init) from [<82400bb8>] (arch_post_acpi_subsys_init+0x0/0x20 init/main.c:834) [<82400ba8>] (arch_call_rest_init) from [<824012f8>] (start_kernel+0x6e0/0x70c init/main.c:1088) [<82400c18>] (start_kernel) from [<00000000>] (0x0) --- 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