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freebsd-src/sys
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Robert Watson aad65d6f79 o Correct an ACL implementation bug that could result in a system panic 
under heavy use when default ACLs were bgin inherited by new files
  or directories.  This is done by removing a bug in default ACL
  reading, and improving error handling for this failure case:

    - Move the setting of the buffer length (len) variable to above the
      ACL type (ap->a_type) switch rather than having it only for
      ACL_TYPE_ACCESS.  Otherwise, the len variable is unitialized in
      the ACL_TYPE_DEFAULT case, which generally worked right, but could
      result in failure.

    - Add a check for a short/long read of the ACL_TYPE_DEFAULT type from
      the underlying EA, resulting in EPERM rather than passing a
      potentially corrupted ACL back to the caller (resulting "cleaner"
      failures if the EA is damaged: right now, the caller will almost
      always panic in the presence of a corrupted EA).  This code is similar
      to code in the ACL_TYPE_ACCESS handling in the previous switch case.

    - While I'm fixing this code, remove a redundant bzero() of the ACL
      reader buffer; it need only be initialized above the acl_type
      switch.

Obtained from:	TrustedBSD Project
2001-04-02 01:02:32 +00:00
..
alpha Recognize a few newer cpus (pca57, ev67 & ev68) and update systypes to 2001-03-30 22:04:08 +00:00
amd64 Convert the allproc and proctree locks from lockmgr locks to sx locks. 2001-03-28 11:52:56 +00:00
arm/include Correct disordering which is corresponding to bde's fix to 2001-02-17 14:51:11 +00:00
boot MAN[1-9] -> MAN. 2001-03-27 11:59:22 +00:00
cam comment typo: subsytem -> subsystem 2001-03-31 04:34:15 +00:00
coda Send the remains (such as I have located) of "block major numbers" to 2001-03-26 12:41:29 +00:00
compat Add linux_sched_get_priority_max() and linux_sched_get_priority_min(): The 2001-04-01 06:37:40 +00:00
compile
conf Merged from sys/conf/options.i386 revision 1.144. 2001-04-01 06:31:25 +00:00
contrib/dev Send the remains (such as I have located) of "block major numbers" to 2001-03-26 12:41:29 +00:00
crypto Kernel crypto need binary key material, not symbolic ascii. 2001-03-10 13:02:58 +00:00
ddb Catch up to header include changes: 2001-03-28 09:17:56 +00:00
dev Make an attempt to get the asr driver to compile on Alpha by fixing some i386 2001-04-01 08:33:01 +00:00
fs - Various style fixes. 2001-03-29 18:10:46 +00:00
geom fix a number of printf format string warnings inside DEBUG ifdefs 2001-03-29 15:05:08 +00:00
gnu Fixes to track snapshot copy-on-write checking in the specinfo 2001-03-07 07:09:55 +00:00
i4b Send the remains (such as I have located) of "block major numbers" to 2001-03-26 12:41:29 +00:00
i386 Regen after adding linux_sched_get_priority_max() and 2001-04-01 06:43:09 +00:00
ia64 Reduce the emasculation of bounds_check_with_label() by one line, so we 2001-03-29 20:26:12 +00:00
isa Catch up to header include changes: 2001-03-28 09:17:56 +00:00
isofs/cd9660 Add missed MODULE_VERSION() call, so loading of unicode conversion routine 2001-03-11 15:28:42 +00:00
kern o Part two of introduction of extattr_{delete,get,set}_fd() system calls, 2001-03-31 16:21:19 +00:00
libkern Rewrite of the CAM error recovery code. 2001-03-27 05:45:52 +00:00
miscfs - Various style fixes. 2001-03-29 18:10:46 +00:00
modules Make an attempt to get the asr driver to compile on Alpha by fixing some i386 2001-04-01 08:33:01 +00:00
msdosfs Grab the process lock while calling psignal and before calling psignal. 2001-03-07 03:37:06 +00:00
net Fix a number of minor bugs in the VLAN code: 2001-03-28 15:52:12 +00:00
netatalk Mechanical change to use <sys/queue.h> macro API instead of 2001-02-04 13:13:25 +00:00
netatm Silence some warnings 2001-03-20 10:42:49 +00:00
netgraph Catch up to header include changes: 2001-03-28 09:17:56 +00:00
netinet MFC candidate. 2001-03-28 14:13:19 +00:00
netinet6 Make per-address input packet counts for lo0 work. 2001-03-28 19:47:52 +00:00
netipx Another round of the <sys/queue.h> FOREACH transmogriffer. 2001-02-04 16:08:18 +00:00
netkey fixed possibility of panic at key_acquire(). 2001-01-14 17:25:08 +00:00
netnatm Mechanical change to use <sys/queue.h> macro API instead of 2001-02-04 13:13:25 +00:00
netncp Move bindery authentication ncps to ncp_ncp.c file. ncp_login.c will stay 2001-03-22 10:38:16 +00:00
netns * Rename M_WAIT mbuf subsystem flag to M_TRYWAIT. 2000-12-21 21:44:31 +00:00
nfs Use the same API as the example code. 2001-03-20 02:10:18 +00:00
nfsclient Use the same API as the example code. 2001-03-20 02:10:18 +00:00
nfsserver Use a generic implementation of the Fowler/Noll/Vo hash (FNV hash). 2001-03-17 09:31:06 +00:00
ntfs Reviewed by: jlemon 2001-03-01 21:00:17 +00:00
nwfs Add dependancy on libmchain module. 2001-03-22 06:51:53 +00:00
pc98 Correct typo. 2001-04-01 07:15:16 +00:00
pccard Send the remains (such as I have located) of "block major numbers" to 2001-03-26 12:41:29 +00:00
pci Send the remains (such as I have located) of "block major numbers" to 2001-03-26 12:41:29 +00:00
posix4 Lock need_resched with sched_lock. 2001-02-22 13:46:09 +00:00
powerpc Rework the witness code to work with sx locks as well as mutexes. 2001-03-28 09:03:24 +00:00
rpc Bring in a hybrid of SunSoft's transport-independent RPC (TI-RPC) and 2001-03-19 12:50:13 +00:00
svr4
sys o Part two of introduction of extattr_{delete,get,set}_fd() system calls, 2001-03-31 16:21:19 +00:00
tools replace calls to non-existant bail() subroutine with calls to 2001-03-23 11:48:50 +00:00
ufs o Correct an ACL implementation bug that could result in a system panic 2001-04-02 01:02:32 +00:00
vm Convert the allproc and proctree locks from lockmgr locks to sx locks. 2001-03-28 11:52:56 +00:00
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