From: Dan Carpenter <dan.carpenter@oracle.com>
To: kbuild@lists.01.org, Nikolay Borisov <nborisov@suse.com>,
linux-btrfs@vger.kernel.org
Cc: lkp@intel.com, kbuild-all@lists.01.org,
Nikolay Borisov <nborisov@suse.com>
Subject: [kbuild] Re: [PATCH 2/2] btrfs: Use btrfs_try_lock_balance in btrfs_ioctl_balance
Date: Wed, 4 May 2022 09:46:48 +0300 [thread overview]
Message-ID: <202205041423.NVVJIHSj-lkp@intel.com> (raw)
In-Reply-To: <20220503083637.1051023-3-nborisov@suse.com>
Hi Nikolay,
url: https://github.com/intel-lab-lkp/linux/commits/Nikolay-Borisov/Refactor-btrfs_ioctl_balance/20220503-163837
base: https://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux.git for-next
config: i386-randconfig-m021-20220502 (https://download.01.org/0day-ci/archive/20220504/202205041423.NVVJIHSj-lkp@intel.com/config )
compiler: gcc-11 (Debian 11.2.0-20) 11.2.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
smatch warnings:
fs/btrfs/ioctl.c:4493 btrfs_ioctl_balance() error: double free of 'bargs'
vim +/bargs +4493 fs/btrfs/ioctl.c
c9e9f97bdfb64d Ilya Dryomov 2012-01-16 4484
0f89abf56abbd0 Christian Engelmayer 2015-10-21 4485 kfree(bctl);
ed0fb78fb6aa29 Ilya Dryomov 2013-01-20 4486 out_unlock:
c9e9f97bdfb64d Ilya Dryomov 2012-01-16 4487 mutex_unlock(&fs_info->balance_mutex);
ed0fb78fb6aa29 Ilya Dryomov 2013-01-20 4488 if (need_unlock)
c3e1f96c37d0f8 Goldwyn Rodrigues 2020-08-25 4489 btrfs_exclop_finish(fs_info);
ed0fb78fb6aa29 Ilya Dryomov 2013-01-20 4490 out:
c696e46e6ec2b3 Nikolay Borisov 2022-05-03 4491 kfree(bargs);
^^^^^
e54bfa31044d60 Liu Bo 2012-06-29 4492 mnt_drop_write_file(file);
c746db1b6ed99f Nikolay Borisov 2022-03-30 @4493 kfree(bargs);
^^^^^
Freed twice.
c9e9f97bdfb64d Ilya Dryomov 2012-01-16 4494 return ret;
c9e9f97bdfb64d Ilya Dryomov 2012-01-16 4495 }
--
0-DAY CI Kernel Test Service
https://01.org/lkp
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next prev parent reply other threads:[~2022-05-04 6:47 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-05-03 8:36 [PATCH 0/2] Refactor btrfs_ioctl_balance Nikolay Borisov
2022-05-03 8:36 ` [PATCH 1/2] btrfs: Introduce btrfs_try_lock_balance Nikolay Borisov
2022-05-03 10:20 ` kernel test robot
2022-05-03 8:36 ` [PATCH 2/2] btrfs: Use btrfs_try_lock_balance in btrfs_ioctl_balance Nikolay Borisov
2022-05-04 6:46 ` Dan Carpenter [this message]
2022-05-04 8:44 ` [kbuild] " Nikolay Borisov
2022-05-04 15:25 ` David Sterba
2022-05-05 7:08 ` [PATCH v2] " Nikolay Borisov
2022-05-09 19:51 ` David Sterba
2022-05-10 5:42 ` Nikolay Borisov
2022-05-27 15:58 ` David Sterba
2022-05-06 9:04 ` [btrfs] c696e46e6e: BUG:KASAN:double-free_or_invalid-free_in_btrfs_ioctl_balance kernel test robot
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