evie/android_kernel_oneplus_msm8998
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

f2fs: avoid stale fi->gdirty_list pointer

Browse source 
When doing fault injection test, f2fs_evict_inode() didn't remove gdirty_list
which incurs a kernel panic due to wrong pointer access.

Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Jaegeuk Kim 2017-10-12 19:12:53 -07:00
parent 5562a3c539
commit cb98f70dea
1 changed files with 3 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
fs/f2fs/inode.c
View file

@ -520,8 +520,10 @@ no_delete:
stat_dec_inline_dir(inode);
stat_dec_inline_inode(inode);
if (!is_set_ckpt_flags(sbi, CP_ERROR_FLAG))
if (likely(!is_set_ckpt_flags(sbi, CP_ERROR_FLAG)))
f2fs_bug_on(sbi, is_inode_flag_set(inode, FI_DIRTY_INODE));
else
f2fs_inode_synced(inode);
/* ino == 0, if f2fs_new_inode() was failed t*/
if (inode->i_ino)