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[ciqcbr7_9] Multiple patches tested (2 commits) #1157

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Merged
PlaidCat merged 2 commits into from
May 4, 2026
Merged

[ciqcbr7_9] Multiple patches tested (2 commits) #1157

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6e8ce8c
Squashfs: check return result of sb_min_blocksize
roxanan1996 Apr 29, 2026
28daee5
squashfs: fix memory leak in squashfs_fill_super
roxanan1996 Apr 29, 2026
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9 changes: 7 additions & 2 deletions fs/squashfs/super.c
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Original file line number Diff line number Diff line change
Expand Up @@ -84,18 +84,23 @@ static int squashfs_fill_super(struct super_block *sb, void *data, int silent)
unsigned short flags;
unsigned int fragments;
u64 lookup_table_start, xattr_id_table_start, next_table;
int err;
int err, devblksize = sb_min_blocksize(sb, SQUASHFS_DEVBLK_SIZE);

TRACE("Entered squashfs_fill_superblock\n");

if (!devblksize) {
ERROR("squashfs: unable to set blocksize\n");
return -EINVAL;
}

sb->s_fs_info = kzalloc(sizeof(*msblk), GFP_KERNEL);
if (sb->s_fs_info == NULL) {
ERROR("Failed to allocate squashfs_sb_info\n");
return -ENOMEM;
}
msblk = sb->s_fs_info;

msblk->devblksize = sb_min_blocksize(sb, SQUASHFS_DEVBLK_SIZE);
msblk->devblksize = devblksize;
msblk->devblksize_log2 = ffz(~msblk->devblksize);

mutex_init(&msblk->read_data_mutex);
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