From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-io1-f71.google.com (mail-io1-f71.google.com [209.85.166.71]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2CEB114F13A for ; Fri, 30 Aug 2024 08:35:24 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.71 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725006926; cv=none; b=fLfj0C8XIisk9rQzUGUxl1Ud3x95m7rUBOOWckjWuFRDHHl06PmNiWW1+//CKaWwUkRcoV5CBwmn+WHBfEVG/qO1UXGKWcg25cyDFAyqf80wIo3tBgBQQX5blx53FW/UoMq+wEXWqFBwIlFnmmKymCPu0hSua82OCIR4GimHvHI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725006926; c=relaxed/simple; bh=gcLYlAfCzN5f+fDtR7iMNKcVv3XXOqlakMWTLn9D2Jo=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=bNexlzWa3NCkMSCwiKuIkwxSoFlcd+qzuppMxktI6mTuUmRH+eMRNSDS/uTuwyRoDZ32Q4huVeWHmtysST4AJsuN1or57MRUR4HZIEXL64qxh+wB62gcVLEGxF4pGiD9Xh7+fw1iCzqHNPM6eLqGo0ro13rOLhCbKokGb8QaziU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.client-ip=209.85.166.71 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com Received: by mail-io1-f71.google.com with SMTP id ca18e2360f4ac-82a1fbaba4aso97845039f.0 for ; Fri, 30 Aug 2024 01:35:24 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1725006924; x=1725611724; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=08bYYDtl54g8YG5N0jPLtkiF8GCFfkqFJ9+zWKcLwOg=; b=oHDsuiByQlNXzAopv+KybvT9IALrIW+BIXHGATGhjCDqhbVw3xXUcTmJ71yKBgDN8i 0tQGuVDmak4BhcOV4N/0JGwR5JvTvP0yyHw03lUyGeyZjn/LlWy3U1ppLy1g+R0d/4lo 2rdILrrxSQHZ0uzeUmeFknbBhTb7TGtF4laI8QVm4EP34B5Ji63YqQxA62NjyKALNgSg GddviNSPHO7aY3xxlwg2ekYET2qlEPGXu5pLh6kxKzkmkzqqXZkuNt0nbBlQ9zM2IkQ6 m2d/leRnF80cmuLP934B7o8x3CAonP6D7YY5XxE+n43N/v+fsclwZgOXZ+UI5btxXsxg D4Bw== X-Forwarded-Encrypted: i=1; AJvYcCV1cCiCBukqnu0AroifTLBN6JqAN3DeXQgYApqmLna1SLsN3CzX9aeBQcLuI0+GW5Pm9sWvRen2PejzBu8=@vger.kernel.org X-Gm-Message-State: AOJu0Yw22vZrzTF3fznZnujCMgNZqHuPqL0cY75W6B8yq0489vO3TqUV b2WVRxqr5pV6pgIlPFyM9Nsqn1kqnug4MKeRT5KH2SyVOMQzkb+6dgvcDe1lUzHLrz3afiFN1bj tso7AEITd4twj4DNT60rMNQ8PEKLCru7YR/b7oL+R7i0yp3ta+s2O3Mc= X-Google-Smtp-Source: AGHT+IEDOvYTG6xFi/zvWp0m9/5vDWS2xWIsecZ4vO5m+ptFZnXGj6ynkz1Kh00Pd+aGyKZCU00yF9Cq3WmWXd5jhYBoXXGpRe3p Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1d02:b0:39d:268a:e920 with SMTP id e9e14a558f8ab-39f413ce342mr883155ab.3.1725006924172; Fri, 30 Aug 2024 01:35:24 -0700 (PDT) Date: Fri, 30 Aug 2024 01:35:24 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000f362e80620e27859@google.com> Subject: [syzbot] [arm?] upstream test error: KASAN: invalid-access Write in setup_arch From: syzbot To: catalin.marinas@arm.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com, will@kernel.org Content-Type: text/plain; charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: 33faa93bc856 Merge branch kvmarm-master/next into kvmarm-m.. git tree: git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm.git fuzzme console output: https://syzkaller.appspot.com/x/log.txt?x=1398420b980000 kernel config: https://syzkaller.appspot.com/x/.config?x=2b7b31c9aa1397ca dashboard link: https://syzkaller.appspot.com/bug?extid=908886656a02769af987 compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 userspace arch: arm64 Downloadable assets: disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/384ffdcca292/non_bootable_disk-33faa93b.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/9093742fcee9/vmlinux-33faa93b.xz kernel image: https://storage.googleapis.com/syzbot-assets/b1f599907931/Image-33faa93b.gz.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+908886656a02769af987@syzkaller.appspotmail.com Booting Linux on physical CPU 0x0000000000 [0x000f0510] Linux version 6.11.0-rc5-syzkaller-g33faa93bc856 (syzkaller@syzkaller) (gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40) #0 SMP PREEMPT now random: crng init done Machine model: linux,dummy-virt efi: UEFI not found. NUMA: No NUMA configuration found NUMA: Faking a node at [mem 0x0000000040000000-0x00000000bfffffff] NUMA: NODE_DATA [mem 0xbfc1d340-0xbfc20fff] Zone ranges: DMA [mem 0x0000000040000000-0x00000000bfffffff] DMA32 empty Normal empty Device empty Movable zone start for each node Early memory node ranges node 0: [mem 0x0000000040000000-0x00000000bfffffff] Initmem setup node 0 [mem 0x0000000040000000-0x00000000bfffffff] cma: Reserved 32 MiB at 0x00000000bba00000 on node -1 psci: probing for conduit method from DT. psci: PSCIv1.1 detected in firmware. psci: Using standard PSCI v0.2 function IDs psci: Trusted OS migration not required psci: SMC Calling Convention v1.0 ================================================================== BUG: KASAN: invalid-access in smp_build_mpidr_hash arch/arm64/kernel/setup.c:133 [inline] BUG: KASAN: invalid-access in setup_arch+0x984/0xd60 arch/arm64/kernel/setup.c:356 Write of size 4 at addr 03ff800086867e00 by task swapper/0 Pointer tag: [03], memory tag: [fe] CPU: 0 UID: 0 PID: 0 Comm: swapper Not tainted 6.11.0-rc5-syzkaller-g33faa93bc856 #0 Hardware name: linux,dummy-virt (DT) Call trace: dump_backtrace+0x204/0x3b8 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:93 [inline] dump_stack_lvl+0x260/0x3b4 lib/dump_stack.c:119 print_address_description mm/kasan/report.c:377 [inline] print_report+0x118/0x5ac mm/kasan/report.c:488 kasan_report+0xc8/0x108 mm/kasan/report.c:601 kasan_check_range+0x94/0xb8 mm/kasan/sw_tags.c:84 __hwasan_store4_noabort+0x20/0x2c mm/kasan/sw_tags.c:149 smp_build_mpidr_hash arch/arm64/kernel/setup.c:133 [inline] setup_arch+0x984/0xd60 arch/arm64/kernel/setup.c:356 start_kernel+0xe0/0xff0 init/main.c:926 __primary_switched+0x84/0x8c arch/arm64/kernel/head.S:243 The buggy address belongs to stack of task swapper/0 Memory state around the buggy address: ffff800086867c00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffff800086867d00: 00 fe fe 00 00 00 fe fe fe fe fe fe fe fe fe fe >ffff800086867e00: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe ^ ffff800086867f00: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe ffff800086868000: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe ================================================================== percpu: Embedded 35 pages/cpu s104840 r8192 d30328 u143360 Detected PIPT I-cache on CPU0 CPU features: detected: GIC system register CPU interface CPU features: detected: HCRX_EL2 register CPU features: detected: 52-bit Virtual Addressing (LPA2) CPU features: detected: Virtualization Host Extensions CPU features: detected: Spectre-v4 alternatives: applying boot alternatives kasan: KernelAddressSanitizer initialized (sw-tags, stacktrace=on) Kernel command line: root=/dev/vda console=ttyAMA0 Dentry cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) Inode-cache hash table entries: 131072 (order: 8, 1048576 bytes, linear) Fallback order for Node 0: 0 Built 1 zonelists, mobility grouping on. Total pages: 524288 Policy zone: DMA mem auto-init: stack:all(zero), heap alloc:on, heap free:off stackdepot: allocating hash table via alloc_large_system_hash stackdepot hash table entries: 1048576 (order: 12, 16777216 bytes, linear) software IO TLB: SWIOTLB bounce buffer size adjusted to 2MB software IO TLB: area num 1. software IO TLB: mapped [mem 0x00000000b1a29000-0x00000000b1c29000] (2MB) SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=1, Nodes=1 allocated 4194304 bytes of page_ext trace event string verifier disabled Running RCU self tests Running RCU synchronous self tests rcu: Preemptible hierarchical RCU implementation. rcu: RCU lockdep checking is enabled. rcu: RCU restricting CPUs from NR_CPUS=8 to nr_cpu_ids=1. rcu: RCU callback double-/use-after-free debug is enabled. rcu: RCU debug extended QS entry/exit. 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=1 Running RCU synchronous self tests RCU Tasks: Setting shift to 0 and lim to 1 rcu_task_cb_adjust=1. RCU Tasks Trace: Setting shift to 0 and lim to 1 rcu_task_cb_adjust=1. NR_IRQS: 64, nr_irqs: 64, preallocated irqs: 0 GICv3: GIC: Using split EOI/Deactivate mode GICv3: 256 SPIs implemented GICv3: 0 Extended SPIs implemented Root IRQ handler: gic_handle_irq GICv3: GICv3 features: 16 PPIs GICv3: GICv4 features: GICv3: GICD_CTRL.DS=1, SCR_EL3.FIQ=0 GICv3: CPU0: found redistributor 0 region 0:0x00000000080a0000 ITS [mem 0x08080000-0x0809ffff] ITS@0x0000000008080000: Single VMOVP capable ITS@0x0000000008080000: allocated 8192 Devices @4a230000 (indirect, esz 8, psz 64K, shr 1) ITS@0x0000000008080000: allocated 8192 Interrupt Collections @4a240000 (flat, esz 8, psz 64K, shr 1) ITS@0x0000000008080000: allocated 8192 Virtual CPUs @4a250000 (indirect, esz 8, psz 64K, shr 1) GICv3: using LPI property table @0x000000004a260000 ITS: Allocated DevID ffff as GICv4 proxy device (2 slots) ITS: Enabling GICv4 support GICv3: CPU0: using allocated LPI pending table @0x000000004a270000 rcu: srcu_init: Setting srcu_struct sizes based on contention. arch_timer: cp15 timer(s) running at 62.50MHz (phys). 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 Console: colour dummy device 80x25 Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar ... MAX_LOCKDEP_SUBCLASSES: 8 ... MAX_LOCK_DEPTH: 48 ... MAX_LOCKDEP_KEYS: 8192 ... CLASSHASH_SIZE: 4096 ... MAX_LOCKDEP_ENTRIES: 131072 ... MAX_LOCKDEP_CHAINS: 65536 ... CHAINHASH_SIZE: 32768 memory used by lock dependency info: 11817 kB memory used for stack traces: 8320 kB per task-struct memory footprint: 1920 bytes 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,ima,evm landlock: Up and running. Yama: becoming mindful. TOMOYO Linux initialized SELinux: Initializing. Mount-cache hash table entries: 4096 (order: 3, 32768 bytes, linear) Mountpoint-cache hash table entries: 4096 (order: 3, 32768 bytes, linear) Running RCU synchronous self tests Running RCU synchronous self tests --- This report is generated by a bot. It may contain errors. 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