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Xin LI 890cae1977 fsck_msdosfs: truncate directory entry when the head pointer is invalid. 
As far as we know, there is no FAT implementation that supported hard
links, and our msdosfs driver assumed one cluster chain is only
referenced by one directory entry and clears it out when the file is
deleted.  On the other hand, the current code would proceed with
checkchain() when the directory entry's head cluster is a valid numbered
cluster without checking if it was a valid head node of a cluster chain.

So if the cluster do not being a chain (e.g. CLUST_FREE, CLUST_BAD),
or was already referenced by another directory entry, this would
trigger an assertion in check_chain() at a later time.

Fix this by giving the user an option to truncate the directory entry
when the head cluster is an invalid cluster, an visited head node,
or not a head node.

Reported by:	NetApp (kevans@)
Reviewed by:	kevans, emaste (no objection)
MFC after:	2 weeks
Differential Revision: https://reviews.freebsd.org/D32699
2021-11-03 22:09:32 -07:00
..
adjkerntz
bectl bectl(8): don't allow creation of boot environments with spaces 2021-06-03 08:36:11 -08:00
bsdlabel Remove deprecated GEOM classes 2019-08-13 20:06:55 +00:00
camcontrol camcontrol(8): Clean up references to removed symbols 2021-10-20 00:32:54 -04:00
ccdconfig
clri In preparation for adding inode check-hashes, clean up and 2018-11-13 21:40:56 +00:00
comcontrol Remove sio(4). 2019-11-21 01:24:49 +00:00
conscontrol Remove sio(4). 2019-11-21 01:24:49 +00:00
ddb ddb: use 'textdump dump' instead of 'call doadump' 2019-10-18 12:32:01 +00:00
decryptcore decryptcore: do not include sys/sysctl.h 2021-03-07 17:29:03 -06:00
devd vt: fix git mismerge 2021-11-03 16:20:41 -06:00
devfs devfs.rules: Correctly unhide pf in vnet jails 2021-11-03 12:50:13 +01:00
devmatch devmatch: Ignore the pnp fields tagged as ignore ('#') 2021-08-10 15:47:55 -06:00
dhclient dhclient: skip_to_semi() consumes semicolon already 2021-08-19 09:11:38 -04:00
dmesg
dump Correct assert added to dump program. 2021-05-17 16:34:53 -07:00
dumpfs dumpfs(8): add option to only print superblock information 2021-07-02 14:18:17 -08:00
dumpon dumpon: fix build on some architectures 2021-08-11 21:27:24 -05:00
etherswitchcfg etherswitch: Add a new striptagingress port flag 2021-08-03 12:07:48 +02:00
fdisk Remove deprecated GEOM classes 2019-08-13 20:06:55 +00:00
ffsinfo ffsinfo: Update example to avoid to-be-deprecated vinum 2021-04-03 16:29:14 -04:00
fsck Fix a few mandoc issues 2020-10-09 14:03:45 +00:00
fsck_ffs Avoid lost buffers in fsck_ffs. 2021-10-07 15:52:58 -07:00
fsck_msdosfs fsck_msdosfs: truncate directory entry when the head pointer is invalid. 2021-11-03 22:09:32 -07:00
fsdb Revert "fsdb: add missing bufinit() call" 2021-05-28 18:51:25 -08:00
fsirand Filesystem utilities that modify the filesystem (growfs(8), tunefs(8), 2020-10-25 01:36:33 +00:00
gbde gbde(8) - simplify randomisation with arc4random_buf 2019-02-11 00:11:02 +00:00
geom Allow GEOM utilities to specify a -v option. 2021-10-28 22:50:50 -07:00
ggate pkgbase: Create a FreeBSD-ggate package 2021-09-07 10:17:28 +02:00
growfs add Xr to the rc.d script... 2021-04-06 16:32:57 -07:00
gvinum gvinum: add deprecation notice 2021-03-28 14:45:05 -04:00
hastctl
hastd hastd(8) assumes it has no extra file descriptors opened 2020-11-29 13:45:53 +00:00
ifconfig ifconfig: Minor documentation fix 2021-05-03 14:38:52 +03:00
init init: execute /etc/rc.final after all user processes have terminated 2021-07-22 23:26:11 -05:00
ipf ncurses: chase dependency changes in the source tree 2021-10-04 11:38:24 +02:00
ipfw ipfw: Introduce dnctl 2021-09-08 17:17:50 +02:00
kldconfig kldconfig(8): Add EXAMPLES to the man page 2020-09-29 17:52:15 +00:00
kldload kldload(8): Improve phrasing 2021-02-11 06:03:53 +01:00
kldstat kldstat(8): Add EXAMPLES to the man page 2020-09-02 18:15:57 +00:00
kldunload
ldconfig ldconfig(8): update manpage to reality 2021-05-21 19:51:18 +03:00
md5 md5(1): Fix a typo in the manual page 2021-08-14 14:48:39 +02:00
mdconfig md: Add MD_MUSTDEALLOC support 2021-09-11 20:04:52 +08:00
mdmfs mdmfs(8): Fix an issue reported by mandoc 2020-10-03 18:47:50 +00:00
mknod
mksnap_ffs Remove #define _KERNEL hacks from libprocstat 2021-02-21 11:38:21 +02:00
mount mount: make libxo support more locale-aware 2021-09-27 07:12:26 +02:00
mount_cd9660 Advise reader to also see mdconfig(8) in mount_cd9660(8). 2018-08-11 08:34:24 +00:00
mount_fusefs sbin/mount_fusefs/mount_fusefs.8: Fix typos 2021-10-09 09:02:39 -06:00
mount_msdosfs Fix a few mandoc issues 2020-10-09 14:03:45 +00:00
mount_nfs mount_nfs.8: Add information for "nconnect" to man page 2021-07-11 13:34:16 -07:00
mount_nullfs mount_nullfs: rename a local variable 2021-02-12 11:30:52 -07:00
mount_udf
mount_unionfs
natd
newfs Explain the newfs naming convention 2021-04-17 23:16:17 +02:00
newfs_msdos Fix makefs bootstrap on macOS after D25563 2020-08-25 13:30:24 +00:00
nfsiod pkgbase: Add nfsiod to the FreeBSD-nfs package 2021-08-06 14:37:35 +02:00
nos-tun pkgbase: Create a FreeBSD-utilities package and make it the default one 2019-09-05 14:15:47 +00:00
nvmecontrol nvmecontrol: Display Metadata and Sanitize capabilities of the device 2021-09-21 21:15:55 +00:00
pfctl pfctl: delay label macro expansion until after rule optimisation 2021-10-15 22:19:45 +02:00
pfilctl pfilctl: improve formatting of "hooks" and "heads" command output. 2021-03-19 11:18:05 -07:00
pflogd
ping ping: fix parsing of options including '4' and '6' 2021-10-20 18:05:43 -06:00
ping6 Merge ping6 to ping 2020-11-26 04:29:30 +00:00
quotacheck Normally when an attempt is made to mount a UFS/FFS filesystem whose 2018-12-06 00:09:39 +00:00
rcorder [rcorder] [crunch] Fix C function declarations to include void 2020-09-21 17:59:45 +00:00
reboot nextboot: Improve the shell code used to figure out the zpool name 2021-06-05 14:32:18 +00:00
recoverdisk Register the bad read before bailing on terminal errors. 2021-02-02 12:01:38 +00:00
resolvconf
restore Clean up global variable declarations in the dump and restore 2020-04-04 00:56:56 +00:00
route socket: Implement SO_RERROR 2021-07-28 09:35:09 -07:00
routed sbin/routed: Remove unused code for sgi and NetBSD. 2020-12-25 17:42:47 -08:00
rtsol Update Makefile.depend files 2019-12-11 17:37:53 +00:00
savecore savecore: bail on write error even when decompressing 2020-12-11 22:52:12 +00:00
sconfig Fix sconfig(8) build. 2021-10-22 13:28:44 -07:00
setkey setkey: drop an unused argument from postproc 2021-07-08 14:00:55 +00:00
shutdown shutdown.8: Fix typo 2020-07-05 13:08:17 +00:00
swapon The -F flag of swapon(8) requires -a to work. 2020-05-19 12:16:44 +00:00
sysctl Fix building sysctl(8) after c78ad20 2021-05-01 11:10:03 +00:00
tests
tunefs Remove #define _KERNEL hacks from libprocstat 2021-02-21 11:38:21 +02:00
umount Document that umount -A does not unmount /dev 2020-06-18 23:12:55 +00:00
veriexec veriexec: Fix veriexec -i's confusion between loaded and locked states 2021-09-23 10:53:56 +02:00
zfsbootcfg loader: zfs should support bootonce an nextboot 2020-09-21 09:01:10 +00:00
Makefile Retire obsolete iscsi_initiator(4) 2021-10-26 16:17:35 -04:00
Makefile.amd64 Fix sconfig(8) build. 2021-10-22 13:28:44 -07:00
Makefile.arm
Makefile.i386 NVME support is only for x86 and powerpc64. 2018-06-14 01:15:19 +00:00
Makefile.inc build: provide a default WARNS for all in-tree builds 2020-09-18 17:17:46 +00:00
Makefile.mips
Makefile.powerpc64 NVME support is only for x86 and powerpc64. 2018-06-14 01:15:19 +00:00