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git.itanic.dy.fi Git - linux-stable/commit
bcachefs: Fix use-after-free in bch2_dev_add()
If __bch2_dev_attach_bdev() fails, bch2_dev_free() is called twice.
Once here and another time in the error handling path.
This leads to several use-after-free.
Remove the redundant call and only rely on the error handling path.
Fixes: 6a44735653d4 ("bcachefs: Improved superblock-related error messages")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>