From: itaru.kitayama@riken.jp (Itaru Kitayama)
To: linux-arm-kernel@lists.infradead.org
Subject: v4.14-rc3 kernel issue
Date: Fri, 27 Oct 2017 13:12:21 +0900 [thread overview]
Message-ID: <cc5b77ca-45a1-a7a4-08c9-8aa62c4f53c6@riken.jp> (raw)
Hi,
I've seen this on a guest on KVM. Observed this after system booted, not
special commands were issued.
[ 82.124767] ==================================================================
[ 82.129867] BUG: KASAN: slab-out-of-bounds in pud_huge+0x24/0x48
[ 82.133893] Read of size 8 at addr ffff8000c43f79e8 by task kworker/u96:1/373
[ 82.138675]
[ 82.139709] CPU: 35 PID: 373 Comm: kworker/u96:1 Not tainted 4.14.0-rc3-dev+ #8
[ 82.144616] Hardware name: QEMU KVM Virtual Machine, BIOS 0.0.0 02/06/2015
[ 82.149292] usercopy: kernel memory overwrite attempt detected to ffff8000c43f7610 (thread_stack) (8 bytes)
[ 82.156031] ------------[ cut here ]------------
[ 82.159139] kernel BUG at mm/usercopy.c:72!
[ 82.161972] Internal error: Oops - BUG: 0 [#1] PREEMPT SMP
[ 82.165650] Modules linked in: ip6t_rpfilter ip6t_REJECT nf_reject_ipv6 xt_conntrack ip_set nfnetlink ebtable_nat ebtable_broute bridge stp llc ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 ip6table_mangle ip6table_raw ip6table_security iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack iptable_mangle iptable_raw iptable_security ebtable_filter ebtables ip6table_filter ip6_tables sunrpc vfat fat crc32_ce crct10dif_ce ghash_ce virtio_net button xfs libcrc32c virtio_console virtio_scsi virtio_pci qemu_fw_cfg virtio_mmio virtio_ring virtio
[ 82.199893] CPU: 35 PID: 373 Comm: kworker/u96:1 Not tainted 4.14.0-rc3-dev+ #8
[ 82.204806] Hardware name: QEMU KVM Virtual Machine, BIOS 0.0.0 02/06/2015
[ 82.209408] usercopy: kernel memory overwrite attempt detected to ffff8000c43f6d10 (thread_stack) (8 bytes)
[ 82.215969] ------------[ cut here ]------------
[ 82.219070] kernel BUG at mm/usercopy.c:72!
next reply other threads:[~2017-10-27 4:12 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-10-27 4:12 Itaru Kitayama [this message]
2017-10-27 7:24 ` v4.14-rc3 kernel issue Mark Rutland
2017-10-27 10:16 ` Itaru Kitayama
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=cc5b77ca-45a1-a7a4-08c9-8aa62c4f53c6@riken.jp \
--to=itaru.kitayama@riken.jp \
--cc=linux-arm-kernel@lists.infradead.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox