Date: Sun, 6 Sep 2009 11:46:51 +0000 (UTC) From: Konstantin Belousov <kib@FreeBSD.org> To: cvs-src-old@freebsd.org Subject: cvs commit: src/sys/ufs/ffs ffs_softdep.c Message-ID: <200909061147.n86Bl9Xk053605@repoman.freebsd.org>
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kib 2009-09-06 11:46:51 UTC
FreeBSD src repository
Modified files:
sys/ufs/ffs ffs_softdep.c
Log:
SVN rev 196888 on 2009-09-06 11:46:51Z by kib
The clear_remove() and clear_inodedeps() call vn_start_write(NULL, &mp,
V_NOWAIT) on the non-busied mount point. Unmount might free ufs-specific
mp data, causing ffs_vgetf() to access freed memory.
Busy mountpoint before dropping softdep lk.
Noted and reviewed by: tegge
Tested by: pho
MFC after: 1 week
Revision Changes Path
1.236 +21 -5 src/sys/ufs/ffs/ffs_softdep.c
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