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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id C645EC7618E for ; Wed, 26 Apr 2023 06:38:47 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id B1FCA6B007D; Wed, 26 Apr 2023 02:38:46 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id AAA296B007E; Wed, 26 Apr 2023 02:38:46 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 94ABB6B0080; Wed, 26 Apr 2023 02:38:46 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0010.hostedemail.com [216.40.44.10]) by kanga.kvack.org (Postfix) with ESMTP id 7F9926B007D for ; Wed, 26 Apr 2023 02:38:46 -0400 (EDT) Received: from smtpin24.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay05.hostedemail.com (Postfix) with ESMTP id 2CFAD4018B for ; Wed, 26 Apr 2023 06:38:46 +0000 (UTC) X-FDA: 80722589052.24.1EB206B Received: from mail-io1-f72.google.com (mail-io1-f72.google.com [209.85.166.72]) by imf15.hostedemail.com (Postfix) with ESMTP id 6CE4CA0017 for ; Wed, 26 Apr 2023 06:38:44 +0000 (UTC) Authentication-Results: imf15.hostedemail.com; dkim=none; spf=pass (imf15.hostedemail.com: domain of 388ZIZAkbAMwAGH2s33w9s770v.y66y3wCAw9u65Bw5B.u64@M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com designates 209.85.166.72 as permitted sender) smtp.mailfrom=388ZIZAkbAMwAGH2s33w9s770v.y66y3wCAw9u65Bw5B.u64@M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; dmarc=fail reason="SPF not aligned (relaxed), No valid DKIM" header.from=appspotmail.com (policy=none) ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1682491124; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding:in-reply-to: references; bh=aE7OycQUlG0tVy79xGjrI932c1y8C0+9h6kD2l7mlLg=; b=GzL9dDr/oOkZ8T3XwoPle2PFnZ2mHfnRAHEDMn1FXeV2GrmzArt7EoJ76Wro5CgqjVRv11 RKR11vIsbp7sbOvq/xnuMF3iizAI5RjnXznReJmE3opPSSnJgzrbcOqcVLzfLur6eMFpcD mykcms9ubIySgJ6MTXVo56IW8XNXMc4= ARC-Authentication-Results: i=1; imf15.hostedemail.com; dkim=none; spf=pass (imf15.hostedemail.com: domain of 388ZIZAkbAMwAGH2s33w9s770v.y66y3wCAw9u65Bw5B.u64@M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com designates 209.85.166.72 as permitted sender) smtp.mailfrom=388ZIZAkbAMwAGH2s33w9s770v.y66y3wCAw9u65Bw5B.u64@M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; dmarc=fail reason="SPF not aligned (relaxed), No valid DKIM" header.from=appspotmail.com (policy=none) ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1682491124; a=rsa-sha256; cv=none; b=2IXkDvmFuxa6FQ9OmDvCG5HI8TbCUltZQA4brbrsoHTyBc+o49lnqpzphQGJ6x07C5DSWx 4O2xJ3yVsYhN/pD72lA8LJGYbyzFSExCKP+WHg2SIJsH6+KCWt+LgHsr1+alW2mdvbCiBR olCA9FjYd+4bZVbJehSWgycLaUBtOXU= Received: by mail-io1-f72.google.com with SMTP id ca18e2360f4ac-76353eb51acso1071577839f.0 for ; Tue, 25 Apr 2023 23:38:44 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1682491123; x=1685083123; 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=aE7OycQUlG0tVy79xGjrI932c1y8C0+9h6kD2l7mlLg=; b=mButTccNJuwq52i5lnXMlsSGCG2e8gSugYDg247n+VN10B9pfA16JC8kNoR6I1JTwM TYIqMMIPmxuY7DJmWqgQpaz3jaAy4tZvlghAt0IHqqcXn34Hq9PYDZOaHWykWvUMzZ1t pLpmf3A4pYfcWSvfZZbHXkwAkRTBSMggorx7ar88s44I3732g1X47KsM1v2Oo8ZjB8cP xbfQkCk8Sp8N5TkbYxLhnyhwp7Lh4lICz74pKjeANBzQ9KxxyTkb4KMimYQJd/dmKhyP FLNuSzqRsIYllngRWzeOOxXldR2KGAvx8n1+jb/DjftXikcPxI2pPDGDVWVvXWqz+IKY jasg== X-Gm-Message-State: AAQBX9c5eO7Y1KudtyYWMFGFex0NqhFFaqte56Gtm8sr1/jfcHUtDt9G cjzl2GZY9v4FYsT9X/g6rZmJv9VWgTlHXO1qumWshcqhpt65 X-Google-Smtp-Source: AKy350bmiIcTLW83RppC9tiy8/lxBj2IPGXjgT/o578mCNJPdk6eDSRGMznFkZuJOm9FNNtCf8fxMJPd6VO0lk8FBm10wszBloSf MIME-Version: 1.0 X-Received: by 2002:a5d:8855:0:b0:760:ecb4:a77c with SMTP id t21-20020a5d8855000000b00760ecb4a77cmr8376893ios.2.1682491123780; Tue, 25 Apr 2023 23:38:43 -0700 (PDT) Date: Tue, 25 Apr 2023 23:38:43 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000c553e805fa377df8@google.com> Subject: [syzbot] upstream boot error: Internal error in __dabt_svc From: syzbot To: akpm@linux-foundation.org, hch@infradead.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, syzkaller-bugs@googlegroups.com, urezki@gmail.com Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Rspam-User: X-Rspamd-Server: rspam03 X-Stat-Signature: pi6cs6p544ssbb5qtxr3cqxufzgmsnk3 X-Rspamd-Queue-Id: 6CE4CA0017 X-HE-Tag: 1682491124-92511 X-HE-Meta: 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 /tn9RImT 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 Z+MLdpg7 90G5X7XWFOikHFTM8QcSpigxleQqhsx8BorWYmTugIBy96X/5sJi0Zb0Vt9sqUknZRu3V/OYslyHMZhYVvI5xaHhtyE0LILlU9hBafXFwe2bgHpDJYv5MTfnTsWMka0b2RDY+H+4Dw3zzyqd7p4jjCI5T5LcBNe+LbHj5iF4PqU= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Hello, syzbot found the following issue on: HEAD commit: 0cfd8703e7da Merge tag 'pm-6.4-rc1' of git://git.kernel.or.= . git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=3D171209d7c80000 kernel config: https://syzkaller.appspot.com/x/.config?x=3D9c5db63fc076f80= 7 dashboard link: https://syzkaller.appspot.com/bug?extid=3D9e79a8560c1bfbab7= a47 compiler: arm-linux-gnueabi-gcc (Debian 10.2.1-6) 10.2.1 20210110, GN= U 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+9e79a8560c1bfbab7a47@syzkaller.appspotmail.com Initmem setup node 0 [mem 0x0000000080000000-0x00000000ffffffff] percpu: Embedded 18 pages/cpu s44168 r8192 d21368 u73728 Built 1 zonelists, mobility grouping on. Total pages: 520868 Kernel command line: root=3D/dev/vda console=3DttyAMA0 earlyprintk=3Dseria= l net.ifnames=3D0 sysctl.kernel.hung_task_all_cpu_backtrace=3D1 ima_policy= =3Dtcb nf-conntrack-ftp.ports=3D20000 nf-conntrack-tftp.ports=3D20000 nf-co= nntrack-sip.ports=3D20000 nf-conntrack-irc.ports=3D20000 nf-conntrack-sane.= ports=3D20000 binder.debug_mask=3D0 rcupdate.rcu_expedited=3D1 rcupdate.rcu= _cpu_stall_cputime=3D1 no_hash_pointers page_owner=3Don sysctl.vm.nr_hugepa= ges=3D4 sysctl.vm.nr_overcommit_hugepages=3D4 secretmem.enable=3D1 sysctl.m= ax_rcu_stall_to_panic=3D1 msr.allow_writes=3Doff coredump_filter=3D0xffff r= oot=3D/dev/vda console=3DttyAMA0 vmalloc=3D512M smp.csd_lock_timeout=3D3000= 00 watchdog_thresh=3D165 workqueue.watchdog_thresh=3D420 sysctl.net.core.ne= tdev_unregister_timeout_secs=3D420 dummy_hcd.num=3D2 panic_on_warn=3D1 Unknown kernel command line parameters "earlyprintk=3Dserial page_owner=3Do= n", 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) 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 0x00000000d9a49000-0x00000000dda49000] (64MB) Memory: 1954384K/2097152K available (22528K kernel code, 2354K rwdata, 8344= K rodata, 2048K init, 865K bss, 126384K reserved, 16384K cma-reserved, 5242= 88K highmem) SLUB: HWalign=3D64, Order=3D0-3, MinObjects=3D0, CPUs=3D2, Nodes=3D1 trace event string verifier disabled rcu: Preemptible hierarchical RCU implementation. rcu: RCU restricting CPUs from NR_CPUS=3D8 to nr_cpu_ids=3D2. 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=3D16, nr_cpu_ids=3D2 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_n= s: 1911260446275 ns arch_timer: cp15 timer(s) running at 62.50MHz (virt). clocksource: arch_sys_counter: mask: 0x1ffffffffffffff max_cycles: 0x1cd42e= 208c, 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=3D625000) pid_max: default: 32768 minimum: 301 LSM: initializing lsm=3Dlockdown,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 Insufficient stack space to handle exception! Task stack: [0xdf85c000..0xdf85e000] IRQ stack: [0xdf804000..0xdf806000] Overflow stack: [0x828ae000..0x828af000] Internal error: kernel stack overflow: 0 [#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 __dabt_svc+0x14/0x60 arch/arm/kernel/entry-armv.S:210 LR is at call_with_stack+0x1c/0x20 arch/arm/lib/call_with_stack.S:40 pc : [<80200a74>] lr : [<817864ec>] psr: 00000193 sp : df804020 ip : df806000 fp : df85df14 r10: 825dfae1 r9 : 828f3980 r8 : 00000000 r7 : df85df4c r6 : ffffffff r5 : 20000113 r4 : 817d2898 r3 : df000000 r2 : 817d12b8 r1 : df85df18 r0 : 8264d250 Flags: nzcv IRQs off FIQs on Mode SVC_32 ISA ARM Segment none Control: 30c5387d Table: 80003000 DAC: 00000000 Register r0 information: 8<--- cut here --- Unable to handle kernel NULL pointer dereference at virtual address 000001f= f when read [000001ff] *pgd=3D80000080004003, *pmd=3D00000000 Internal error: Oops: 206 [#2] 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 __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:2571 [inline] PC is at vmalloc_dump_obj+0x38/0xb4 mm/vmalloc.c:4108 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 : [<8046b3b0>] lr : [<817dcf14>] psr: 20000193 sp : 828aeef8 ip : 828aeee0 fp : 828aef0c r10: 828f3980 r9 : 8241c964 r8 : 8264d41c r7 : 60000193 r6 : 00000001 r5 : 8264e000 r4 : 00000207 r3 : 80216bd4 r2 : 00001f03 r1 : 00000000 r0 : 00000001 Flags: nzCv IRQs off FIQs on Mode SVC_32 ISA ARM Segment none Control: 30c5387d Table: 80003000 DAC: 00000000 --- 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.