Mark Johnston a7a7c306bf md: Fix a read-after-free in BIO_GETATTR handling ... g_handleattr_int() consumes the bio if the attribute matches, so when we check bp->bio_cmd bp may have been freed. Move GETATTR handling to a separate function to avoid the problem. We do not need to set bio_completed for such bios, g_handleattr_int() will handle it. Also remove the setting of bio_resid before the devstat_end_transaction_bio() call. All of the md(4) bio handlers set bio_resid already. Reported by: KASAN Reviewed by: kib MFC after: 2 weeks Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D27724		2020-12-23 11:16:40 -05:00
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embedfs.S	Use a template assembly file to generate the embedded MFS.	2020-10-20 16:48:45 +00:00
md.c	md: Fix a read-after-free in BIO_GETATTR handling	2020-12-23 11:16:40 -05:00