Date: Mon, 29 Dec 2025 18:49:27 +0000 From: Ka Ho Ng <khng@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org Subject: git: 9cfd75a6f88f - stable/15 - bio: Fix KASAN invalid access report in biodone Message-ID: <6952cd37.38c94.200e44cd@gitrepo.freebsd.org>
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The branch stable/15 has been updated by khng: URL: https://cgit.FreeBSD.org/src/commit/?id=9cfd75a6f88f2076d7cd7e18acc9d89f6055e8fe commit 9cfd75a6f88f2076d7cd7e18acc9d89f6055e8fe Author: Ka Ho Ng <khng@FreeBSD.org> AuthorDate: 2025-12-29 15:49:29 +0000 Commit: Ka Ho Ng <khng@FreeBSD.org> CommitDate: 2025-12-29 18:47:56 +0000 bio: Fix KASAN invalid access report in biodone Do not touch the bio fields after calling the bio_done callback. The bio might have been freed after the callback returns. Fixes: 725f4b108d54 Reported by: kp, markj --- sys/kern/vfs_bio.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/sys/kern/vfs_bio.c b/sys/kern/vfs_bio.c index dc90bd3add22..2368f863a248 100644 --- a/sys/kern/vfs_bio.c +++ b/sys/kern/vfs_bio.c @@ -4523,8 +4523,6 @@ biodone(struct bio *bp) bp->bio_flags |= BIO_ERROR_COMPAT; } done(bp); - bp->bio_error_compat = 0; - bp->bio_flags &= ~BIO_ERROR_COMPAT; } }home | help
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