btrfs: scrub: put bio after errors in scrub_raid56_parity_stripe()

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commit 5fea61aa1c upstream.

scrub_raid56_parity_stripe() allocates a bio with bio_alloc(), but
fails to release it on some error paths, leading to a potential
memory leak.

Add the missing bio_put() calls to properly drop the bio reference
in those error cases.

Fixes: 1009254bf2 ("btrfs: scrub: use scrub_stripe to implement RAID56 P/Q scrub")
CC: stable@vger.kernel.org # 6.6+
Reviewed-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: Zilin Guan <zilin@seu.edu.cn>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

...

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Zilin Guan 2025-11-05 03:53:21 +00:00 • committed by Greg Kroah-Hartman

parent 92f06abe64

commit ee492508f7

1 changed files with 2 additions and 0 deletions

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fs/btrfs/scrub.c

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