On Fri, May 13, 2022 at 04:16:01PM -0700, Eric Biggers wrote:
> From: Eric Biggers <ebigg...@google.com>
>
> If processing the on-disk mount options fails after any memory was
> allocated in the ext4_fs_context, e.g. s_qf_names, then this memory is
> leaked. Fix this by calling ext4_fc_free() instead of kfree() directly.
>
> Reproducer:
>
> mkfs.ext4 -F /dev/vdc
> tune2fs /dev/vdc -E mount_opts=usrjquota=file
> echo clear > /sys/kernel/debug/kmemleak
> mount /dev/vdc /vdc
> echo scan > /sys/kernel/debug/kmemleak
> sleep 5
> echo scan > /sys/kernel/debug/kmemleak
> cat /sys/kernel/debug/kmemleak
>
> Fixes: 7edfd85b1ffd ("ext4: Completely separate options parsing and sb setup")
> Cc: sta...@vger.kernel.org
> Signed-off-by: Eric Biggers <ebigg...@google.com>
Thanks, applied.
- Ted
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