Commit 29fb415a authored by Filipe Manana's avatar Filipe Manana Committed by David Sterba
Browse files

btrfs: raid56: fix memory leak of btrfs_raid_bio::stripe_uptodate_bitmap 



We allocate the bitmap but we never free it in free_raid_bio_pointers().
Fix this by adding a bitmap_free() call against the stripe_uptodate_bitmap
of a raid bio.

Fixes: 1810350b ("btrfs: raid56: move sector_ptr::uptodate into a dedicated bitmap")
Reported-by: default avatarChristoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/linux-btrfs/20260126045315.GA31641@lst.de/


Reviewed-by: default avatarQu Wenruo <wqu@suse.com>
Tested-by: default avatarChristoph Hellwig <hch@lst.de>
Signed-off-by: default avatarFilipe Manana <fdmanana@suse.com>
Reviewed-by: default avatarDavid Sterba <dsterba@suse.com>
Signed-off-by: default avatarDavid Sterba <dsterba@suse.com>
parent 0d0f1314

fs/btrfs/raid56.c

+1 −0
Original line number Diff line number Diff line
@@ -150,6 +150,7 @@ static void scrub_rbio_work_locked(struct work_struct *work); 
static void free_raid_bio_pointers(struct btrfs_raid_bio *rbio)

{

	bitmap_free(rbio->error_bitmap);

	bitmap_free(rbio->stripe_uptodate_bitmap);

	kfree(rbio->stripe_pages);

	kfree(rbio->bio_paddrs);

	kfree(rbio->stripe_paddrs);