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 20529C77B7E for ; Tue, 2 May 2023 09:53:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233373AbjEBJxB convert rfc822-to-8bit (ORCPT ); Tue, 2 May 2023 05:53:01 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47210 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233645AbjEBJxA (ORCPT ); Tue, 2 May 2023 05:53:00 -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 BF07B4C10 for ; Tue, 2 May 2023 02:52:57 -0700 (PDT) Received: by mail-il1-f198.google.com with SMTP id e9e14a558f8ab-329572e5abeso56769205ab.2 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=exaz0o1lSln1lUsylPPMvUAA9RmqL0AVBuQ21q+c7Bw=; b=DAYV+PTUpqKA9p+KXlGCQhQcWP0iP+QDvX/2QYtQPBvOGv5Y9GOdnb+0zWbgwuBPF3 YZ/W0mEX/Pd+cb7DokiU+g3/6qoBtuu3iFYTWmOhQpgDpYPUMrSCiSQZYw9bmlRIRG2e CtpCIuqfEbN2SFBhK9c35JG1b5lAQqG7lFXppQR51LOGqIyzAT/UNPohq3tZu7tyeZU2 PHsHK93OdRdOQDCPdOO0SY40QhI01qal8HG6zqzM5Vk5HK+Faa/m7hZ+Il2eEmOoqIN+ fTwtIft839sAGSCl/K54i2mV5yzNVxraBo/9cHegWHJDk3Sskz1JbnTc4TZ3/hEQc/EC b8DQ== X-Gm-Message-State: AC+VfDxE37DhCLLPBl4AkBO3JZDxr4BK8uykxFDVbmUxUx8ARIp9L2bx LdNyCgEhdhM5f7Vey+J3RenBg0S0zOaFccNlLLEAafXS82FH X-Google-Smtp-Source: ACHHUZ6r2Y0r3qDT7KjNYIkzj/IrFNdiS2X2PheeRfOr8ODMXvScMxfMdPFB2gmC6iA1bNcdoecP+sAbVozoU3Dpmzi+uxL5juiV MIME-Version: 1.0 X-Received: by 2002:a92:c68f:0:b0:325:e315:f2bc with SMTP id o15-20020a92c68f000000b00325e315f2bcmr8508206ilg.3.1683021177094; Tue, 02 May 2023 02:52:57 -0700 (PDT) Date: Tue, 02 May 2023 02:52:57 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000690a0b05fab2e75c@google.com> Subject: [syzbot] upstream boot error: BUG: unable to handle kernel paging request in gpiod_set_raw_value_commit 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=149ab844280000 kernel config: https://syzkaller.appspot.com/x/.config?x=d43eae746231feb3 dashboard link: https://syzkaller.appspot.com/bug?extid=691fcab418631dee8be3 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+691fcab418631dee8be3@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 831b70d8 when execute [831b70d8] *pgd=80000080006003, *pmd=4000008300071d(bad) Internal error: Oops: 8000020e [#1] PREEMPT SMP ARM Modules linked in: CPU: 1 PID: 0 Comm: swapper/1 Not tainted 6.3.0-syzkaller #0 Hardware name: ARM-Versatile Express PC is at 0x831b70d8 LR is at gpiod_set_raw_value_commit+0x4c/0x168 drivers/gpio/gpiolib.c:3030 pc : [<831b70d8>] lr : [<80890618>] psr: 40000113 sp : df85de90 ip : df85dec0 fp : df85debc r10: 00000000 r9 : 827e16e6 r8 : 00000001 r7 : 831b7040 r6 : 00000001 r5 : 840b67bc r4 : 00000003 r3 : 831b70d8 r2 : 00000001 r1 : 00000003 r0 : 831b7040 Flags: nZcv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none Control: 30c5387d Table: 8470bd40 DAC: 00000000 Register r0 information: slab kmalloc-512 start 831b7000 pointer offset 64 size 512 Register r1 information: non-paged memory Register r2 information: non-paged memory Register r3 information: slab kmalloc-512 start 831b7000 pointer offset 216 size 512 Register r4 information: non-paged memory Register r5 information: slab kmalloc-192 start 840b6780 pointer offset 60 size 192 Register r6 information: non-paged memory Register r7 information: slab kmalloc-512 start 831b7000 pointer offset 64 size 512 Register r8 information: non-paged memory Register r9 information: non-slab/vmalloc memory Register r10 information: NULL pointer Register r11 information: non-paged memory Register r12 information: non-paged memory Process swapper/1 (pid: 0, stack limit = 0xdf85c000) Stack: (0xdf85de90 to 0xdf85e000) de80: 00000003 840b67bc 00000001 000000ff dea0: ddde4798 00000001 827e16e6 00000000 df85decc df85dec0 80890ca8 808905d8 dec0: df85dee4 df85ded0 80891a3c 80890c60 8301daa8 000000ff df85defc df85dee8 dee0: 8107f408 808919f8 8301daa8 000000ff df85df0c df85df00 8107d838 8107f3b8 df00: df85df24 df85df10 8107db84 8107d80c 8301daa8 840ebb94 df85df44 df85df28 df20: 8107ea20 8107db2c 000001fd 8290cee4 00000002 ddde4798 df85df6c df85df48 df40: 8107fde8 8107e9f4 00000001 8260c498 831f4680 8260c4e0 00000000 827e16e6 df60: df85df7c df85df70 80208efc 8107fd44 df85dfc4 df85df80 80293568 80208ef4 df80: 8029e3c8 818015a4 81f860a0 824af2f8 5b935000 0f6c3d28 df85dfc4 00000097 dfa0: 00000001 831f4680 82850464 80003010 412fc0f1 00000000 df85dfd4 df85dfc8 dfc0: 80293af8 802934f8 df85dff4 df85dfd8 80210374 80293ae4 830e0a00 00000000 dfe0: 30c0387d 82850464 00000000 df85dff8 802016f4 80210254 00000000 00000000 Backtrace: [<808905cc>] (gpiod_set_raw_value_commit) from [<80890ca8>] (gpiod_set_value_nocheck+0x54/0x58 drivers/gpio/gpiolib.c:3204) r10:00000000 r9:827e16e6 r8:00000001 r7:ddde4798 r6:000000ff r5:00000001 r4:840b67bc r3:00000003 [<80890c54>] (gpiod_set_value_nocheck) from [<80891a3c>] (gpiod_set_value+0x50/0xc0 drivers/gpio/gpiolib.c:3223) [<808919ec>] (gpiod_set_value) from [<8107f408>] (gpio_led_set+0x5c/0x60 drivers/leds/leds-gpio.c:54) r5:000000ff r4:8301daa8 [<8107f3ac>] (gpio_led_set) from [<8107d838>] (__led_set_brightness drivers/leds/led-core.c:47 [inline]) [<8107f3ac>] (gpio_led_set) from [<8107d838>] (led_set_brightness_nopm drivers/leds/led-core.c:271 [inline]) [<8107f3ac>] (gpio_led_set) from [<8107d838>] (led_set_brightness_nosleep+0x38/0x5c drivers/leds/led-core.c:287) r5:000000ff r4:8301daa8 [<8107d800>] (led_set_brightness_nosleep) from [<8107db84>] (led_set_brightness+0x64/0x68 drivers/leds/led-core.c:264) [<8107db20>] (led_set_brightness) from [<8107ea20>] (led_trigger_event drivers/leds/led-triggers.c:390 [inline]) [<8107db20>] (led_set_brightness) from [<8107ea20>] (led_trigger_event+0x38/0x50 drivers/leds/led-triggers.c:380) r5:840ebb94 r4:8301daa8 [<8107e9e8>] (led_trigger_event) from [<8107fde8>] (ledtrig_cpu+0xb0/0x100 drivers/leds/trigger/ledtrig-cpu.c:86) r7:ddde4798 r6:00000002 r5:8290cee4 r4:000001fd [<8107fd38>] (ledtrig_cpu) from [<80208efc>] (arch_cpu_idle_exit+0x14/0x18 arch/arm/kernel/process.c:98) r9:827e16e6 r8:00000000 r7:8260c4e0 r6:831f4680 r5:8260c498 r4:00000001 [<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) r10:00000000 r9:412fc0f1 r8:80003010 r7:82850464 r6:831f4680 r5:00000001 r4:00000097 [<80293ad8>] (cpu_startup_entry) from [<80210374>] (secondary_start_kernel+0x12c/0x188 arch/arm/kernel/smp.c:482) [<80210248>] (secondary_start_kernel) from [<802016f4>] (__enable_mmu+0x0/0xc arch/arm/kernel/head.S:438) r7:82850464 r6:30c0387d r5:00000000 r4:830e0a00 Code: 831b710c 831b70d8 80216664 802160d0 (00000000) ---[ end trace 0000000000000000 ]--- ---------------- Code disassembly (best guess): 0: 831b710c tsthi fp, #12, 2 4: 831b70d8 tsthi fp, #216 ; 0xd8 8: 80216664 eorhi r6, r1, r4, ror #12 c: 802160d0 ldrdhi r6, [r1], -r0 ; * 10: 00000000 andeq r0, r0, r0 <-- trapping instruction --- This report is generated by a bot. 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