linux-ext4 - [PATCH v2 0/6] solve memory leak and check whether NULL pointer

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Date:   Fri, 31 Dec 2021 15:40:41 +0800
From:   zhanchengbin <zhanchengbin1@...wei.com>
To:     Theodore Ts'o <tytso@....edu>
CC:     <linux-ext4@...r.kernel.org>, <liuzhiqiang26@...wei.com>,
        <linfeilong@...wei.com>, <wubo40@...wei.com>
Subject: [PATCH v2 0/6] solve memory leak and check whether NULL pointer

Solve the memory leak of the abnormal branch and the new null pointer check

Changes from V1:
---------------
- In the V1 of the patch series, have a bug in patch 1/6, when s->s get
   memory successd, s-len is not assigned a value.

zhanchengbin (6):
   e2fsck: set s->len=0 if malloc() fails in alloc_string()
   lib/ss: check whether argp is null before accessing it in
     ss_execute_command()
   lib/support: check whether inump is null before accessing it in
     quota_set_sb_inum()
   e2fsprogs: call ext2fs_badblocks_list_free() to free list in exception
     branch
   e2fsck: check whether ldesc is null before accessing it in
     end_problem_latch()
   lib/ext2fs: call ext2fs_free_mem() to free &io->name in exception
     branch

  e2fsck/logfile.c      | 2 +-
  e2fsck/problem.c      | 2 ++
  lib/ext2fs/test_io.c  | 2 ++
  lib/ext2fs/undo_io.c  | 2 ++
  lib/ss/execute_cmd.c  | 2 ++
  lib/support/mkquota.c | 3 ++-
  misc/dumpe2fs.c       | 1 +
  resize/resize2fs.c    | 4 ++--
  8 files changed, 14 insertions(+), 4 deletions(-)

-- 
2.27.0