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SubjectRe: [2.5] double free in ext2?
Oleg Drokin <green@namesys.com> wrote:
>
> Hello!
>
> I am playing with smatch and while testing my improved version of
> unfree.pl, I seems to have found a double free condition in ext2:
>
> fs/ext2/super.c::ext2_fill_super() (I am looking at yesterday's 2.5 snapshot)
>
> in line 784 we do kfree(sbi->s_group_desc); (then print "EXT2-fs: unable to read group descriptors\n")
> and go to failed_mount_group_desc, which reads (from line 821):
> failed_mount_group_desc:
> kfree(sbi->s_group_desc);
>

yes, bug. Thanks.
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