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fs/squashfs: sqfs_size: fix dangling pointer dirs->entry

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dirs->entry shouldn't be left dangling as it could be freed twice.

Signed-off-by: Richard Genoud <richard.genoud@posteo.net>
This commit is contained in:
Richard Genoud 2020-11-03 12:11:09 +01:00 • committed by Tom Rini
parent dc3312c43c
commit 508a9dc7f6
1 changed files with 2 additions and 0 deletions
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2
fs/squashfs/sqfs.c
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@ -1569,6 +1569,7 @@ int sqfs_size(const char *filename, loff_t *size)
if (!ret) if (!ret)
break; break;
free(dirs->entry); free(dirs->entry);
dirs->entry = NULL;
} }
if (ret) { if (ret) {
@ -1582,6 +1583,7 @@ int sqfs_size(const char *filename, loff_t *size)
ipos = sqfs_find_inode(dirs->inode_table, i_number, sblk->inodes, ipos = sqfs_find_inode(dirs->inode_table, i_number, sblk->inodes,
sblk->block_size); sblk->block_size);
free(dirs->entry); free(dirs->entry);
dirs->entry = NULL;
base = (struct squashfs_base_inode *)ipos; base = (struct squashfs_base_inode *)ipos;
switch (get_unaligned_le16(&base->inode_type)) { switch (get_unaligned_le16(&base->inode_type)) {