Re: kern/57872 (A possible double fetch in sys/fs/ntfs/ntfs_subr.c)

To: kern-bug-people%netbsd.org@localhost,netbsd-bugs%netbsd.org@localhost,gnats-admin%netbsd.org@localhost,jdolecek%NetBSD.org@localhost,islituo%gmail.com@localhost
Subject: Re: kern/57872 (A possible double fetch in sys/fs/ntfs/ntfs_subr.c)
From: jdolecek%NetBSD.org@localhost
Date: Tue, 23 Jan 2024 21:47:31 +0000 (UTC)

Synopsis: A possible double fetch in sys/fs/ntfs/ntfs_subr.c

State-Changed-From-To: open->closed
State-Changed-By: jdolecek%NetBSD.org@localhost
State-Changed-When: Tue, 23 Jan 2024 21:47:31 +0000
State-Changed-Why:
The NTFS fs is NOT marked IMNT_MPSAFE, so all VFS operations are executed
with KERNEL_LOCK() and hence there can't be a race.
There are multiple other places which are unsafe in similar regard, it's not
worth it to fix.
Thanks for report.

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