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In a previous commit c1006bd13146, ni->mi.mrec in ni_write_inode() could be NULL, and thus a NULL check is added for this variable. However, in the same call stack, ni->mi.mrec can be also dereferenced in ni_clear(): ntfs_evict_inode(inode) ni_write_inode(inode, ...) ni = ntfs_i(inode); is_rec_inuse(ni->mi.mrec) -> Add a NULL check by previous commit ni_clear(ntfs_i(inode)) is_rec_inuse(ni->mi.mrec) -> No check Thus, a possible null-pointer dereference may exist in ni_clear(). To fix it, a NULL check is added in this function. Signed-off-by: Jia-Ju Bai <baijiaju1990@gmail.com> Reported-by: TOTE Robot <oslab@tsinghua.edu.cn> Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com> |
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.. | ||
lib | ||
attrib.c | ||
attrlist.c | ||
bitfunc.c | ||
bitmap.c | ||
debug.h | ||
dir.c | ||
file.c | ||
frecord.c | ||
fslog.c | ||
fsntfs.c | ||
index.c | ||
inode.c | ||
Kconfig | ||
lznt.c | ||
Makefile | ||
namei.c | ||
ntfs_fs.h | ||
ntfs.h | ||
record.c | ||
run.c | ||
super.c | ||
upcase.c | ||
xattr.c |