From: kernel test robot <oliver.sang@intel.com>
To: Ma Ke <make24@iscas.ac.cn>
Cc: <oe-lkp@lists.linux.dev>, <lkp@intel.com>,
<netdev@vger.kernel.org>, <davem@davemloft.net>,
<edumazet@google.com>, <kuba@kernel.org>, <pabeni@redhat.com>,
<horms@kernel.org>, <sdf@fomichev.me>, <atenart@kernel.org>,
<kuniyu@google.com>, <yajun.deng@linux.dev>, <gregkh@suse.de>,
<ebiederm@xmission.com>, <linux-kernel@vger.kernel.org>,
<akpm@linux-foundation.org>, Ma Ke <make24@iscas.ac.cn>,
<stable@vger.kernel.org>, <oliver.sang@intel.com>
Subject: Re: [PATCH] net: Fix error handling in netdev_register_kobject
Date: Wed, 12 Nov 2025 13:59:49 +0800 [thread overview]
Message-ID: <202511121347.b3f6c2a3-lkp@intel.com> (raw)
In-Reply-To: <20251107080117.15099-1-make24@iscas.ac.cn>
Hello,
kernel test robot noticed "BUG_kmalloc-#k:Object_corrupt" on:
commit: 6e383382971f4573e29f0e85c6e5667c8f5f46d6 ("[PATCH] net: Fix error handling in netdev_register_kobject")
url: https://github.com/intel-lab-lkp/linux/commits/Ma-Ke/net-Fix-error-handling-in-netdev_register_kobject/20251107-160348
base: https://git.kernel.org/cgit/linux/kernel/git/davem/net-next.git 6fc33710cd6c55397e606eeb544bdf56ee87aae5
patch link: https://lore.kernel.org/all/20251107080117.15099-1-make24@iscas.ac.cn/
patch subject: [PATCH] net: Fix error handling in netdev_register_kobject
in testcase: boot
config: i386-randconfig-014-20251110
compiler: gcc-14
test machine: qemu-system-i386 -enable-kvm -cpu SandyBridge -smp 2 -m 4G
(please refer to attached dmesg/kmsg for entire log/backtrace)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <oliver.sang@intel.com>
| Closes: https://lore.kernel.org/oe-lkp/202511121347.b3f6c2a3-lkp@intel.com
[ OK ] Started /etc/rc.local Compatibility.
LKP: ttyS0: 250: skip deploy intel ucode as no ucode is specified
[ 15.199659] rc.local[250]: LKP: stdout: 250: skip deploy intel ucode as no ucode is specified
[ 15.508990][ T1] [Poison overwritten] 0xf5e12370-0xf5e12370 @offset=9072. First byte 0x6a instead of 0x6b
[ 15.511968][ T1] =============================================================================
[ 15.514232][ T1] BUG kmalloc-2k (Tainted: G S ): Object corrupt
[ 15.516308][ T1] -----------------------------------------------------------------------------
[ 15.516308][ T1]
[ 15.519187][ T1] Allocated in alloc_netdev_mqs+0x7d/0x470 age=517 cpu=1 pid=191
[ 15.521218][ T1] __slab_alloc+0x53/0x80
[ 15.522561][ T1] __kvmalloc_node_noprof (kbuild/src/consumer/mm/slub.c:4846 kbuild/src/consumer/mm/slub.c:5268 kbuild/src/consumer/mm/slub.c:5641 kbuild/src/consumer/mm/slub.c:7100)
The kernel config and materials to reproduce are available at:
https://download.01.org/0day-ci/archive/20251112/202511121347.b3f6c2a3-lkp@intel.com
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
prev parent reply other threads:[~2025-11-12 6:00 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-11-07 8:01 [PATCH] net: Fix error handling in netdev_register_kobject Ma Ke
2025-11-07 11:06 ` [syzbot ci] " syzbot ci
2025-11-07 11:20 ` [PATCH] " Eric Dumazet
2025-11-12 5:59 ` kernel test robot [this message]
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