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331722 |
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29-Mar-2018 |
eadler |
Revert r330897:
This was intended to be a non-functional change. It wasn't. The commit message was thus wrong. In addition it broke arm, and merged crypto related code.
Revert with prejudice.
This revert skips files touched in r316370 since that commit was since MFCed. This revert also skips files that require $FreeBSD$ property changes.
Thank you to those who helped me get out of this mess including but not limited to gonzo, kevans, rgrimes.
Requested by: gjb (re)
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330897 |
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14-Mar-2018 |
eadler |
Partial merge of the SPDX changes
These changes are incomplete but are making it difficult to determine what other changes can/should be merged.
No objections from: pfg
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302408 |
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07-Jul-2016 |
gjb |
Copy head@r302406 to stable/11 as part of the 11.0-RELEASE cycle. Prune svn:mergeinfo from the new branch, as nothing has been merged here.
Additional commits post-branch will follow.
Approved by: re (implicit) Sponsored by: The FreeBSD Foundation |
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299482 |
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11-May-2016 |
emaste |
exec.h: Move PS_STRINGS define to kernel-only section
The kern.ps_strings sysctl was introduced in r103767 and the last use of PS_STRINGS in userspace code was removed in r297888.
PR: 208760 [exp-run] Reviewed by: kib Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D5933
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288944 |
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06-Oct-2015 |
cem |
Fix core corruption caused by race in note_procstat_vmmap
This fix is spiritually similar to r287442 and was discovered thanks to the KASSERT added in that revision.
NT_PROCSTAT_VMMAP output length, when packing kinfo structs, is tied to the length of filenames corresponding to vnodes in the process' vm map via vn_fullpath. As vnodes may move during coredump, this is racy.
We do not remove the race, only prevent it from causing coredump corruption.
- Add a sysctl, kern.coredump_pack_vmmapinfo, to allow users to disable kinfo packing for PROCSTAT_VMMAP notes. This avoids VMMAP corruption and truncation, even if names change, at the cost of up to PATH_MAX bytes per mapped object. The new sysctl is documented in core.5.
- Fix note_procstat_vmmap to self-limit in the second pass. This addresses corruption, at the cost of sometimes producing a truncated result.
- Fix PROCSTAT_VMMAP consumers libutil (and libprocstat, via copy-paste) to grok the new zero padding.
Reported by: pho (https://people.freebsd.org/~pho/stress/log/datamove4-2.txt) Relnotes: yes Sponsored by: EMC / Isilon Storage Division Differential Revision: https://reviews.freebsd.org/D3824
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287537 |
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07-Sep-2015 |
cem |
Follow-up to r287442: Move sysctl to compiled-once file
Avoid duplicate sysctl nodes.
Found by: tijl Approved by: markj (mentor) Sponsored by: EMC / Isilon Storage Division Differential Revision: https://reviews.freebsd.org/D3586
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269743 |
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08-Aug-2014 |
wblock |
Update the comments in exec.h with help from jilles.
PR: 180970 Submitted by: Carlos Jacobo Puga Medina <cjpugmed@gmail.com> Reviewed by: jilles MFC after: 1 week
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213716 |
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12-Oct-2010 |
kib |
Add macro DECLARE_MODULE_TIED to denote a module as requiring the kernel of exactly the same __FreeBSD_version as the headers module was compiled against.
Mark our in-tree ABI emulators with DECLARE_MODULE_TIED. The modules use kernel interfaces that the Release Engineering Team feel are not stable enough to guarantee they will not change during the life cycle of a STABLE branch. In particular, the layout of struct sysentvec is declared to be not part of the STABLE KBI.
Discussed with: bz, rwatson Approved by: re (bz, kensmith) MFC after: 2 weeks
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144011 |
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23-Mar-2005 |
das |
Make ps_nargvstr and ps_nenvstr unsigned. This fixes an input validation error in procfs/linprocfs that can be exploited by local users to cause a kernel panic. All versions of FreeBSD with the patch referenced in SA-04:17.procfs have this bug, but versions without that patch have a more serious bug instead. This problem only affects systems on which procfs or linprocfs is mounted.
Found by: Coverity Prevent analysis tool Security: Local DOS
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132199 |
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15-Jul-2004 |
phk |
Do a pass over all modules in the kernel and make them return EOPNOTSUPP for unknown events.
A number of modules return EINVAL in this instance, and I have left those alone for now and instead taught MOD_QUIESCE to accept this as "didn't do anything".
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127976 |
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07-Apr-2004 |
imp |
Remove advertising clause from University of California Regent's license, per letter dated July 22, 1999.
Approved by: core
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122252 |
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07-Nov-2003 |
peter |
Increase the size of SPARE_USRSPACE. It is way too small by default for things like execve.
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108647 |
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04-Jan-2003 |
jake |
Use __CONCAT and __XSTRING when concatenating or stringifying arguments to the EXEC_SET macro, so that the arguments themselves can be macros. (Actually __STRING would suffice, instead of __XSTRING, but oh well).
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92719 |
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19-Mar-2002 |
alfred |
Remove __P
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55205 |
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29-Dec-1999 |
peter |
Change #ifdef KERNEL to #ifdef _KERNEL in the public headers. "KERNEL" is an application space macro and the applications are supposed to be free to use it as they please (but cannot). This is consistant with the other BSD's who made this change quite some time ago. More commits to come.
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50477 |
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27-Aug-1999 |
peter |
$Id$ -> $FreeBSD$
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45739 |
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17-Apr-1999 |
peter |
Well folks, this is it - The second stage of the removal for build support for LKM's..
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43387 |
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29-Jan-1999 |
dillon |
More -Wall / -Wcast-qual cleanup. Also, EXEC_SET can't use C_DECLARE_MODULE due to the linker_file_sysinit() function making modifications to the data.
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43381 |
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29-Jan-1999 |
dillon |
Have EXEC_SET use C_DECLARE_MODULE instead of DECLARE_MODULE.
Add C_DECLARE_MODULE - same as DECLARE_MODULE but uses C_SYSINIT instead of SYSINIT.
The C_ items are going to be used for items passing const data to sysinit.
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41871 |
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16-Dec-1998 |
bde |
Removed the cast to a pointer in the definition of PS_STRINGS and adjusted related casts to match (only in the kernel in this commit). The pointer was only wanted in one place in kern_exec.c. Applications should use the kern.ps_strings sysctl instead of PS_STRINGS, so they shouldn't notice this change.
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41173 |
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15-Nov-1998 |
bde |
Finished updating module event handlers to be compatible with modeventhand_t.
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40435 |
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16-Oct-1998 |
peter |
*gulp*. Jordan specifically OK'ed this..
This is the bulk of the support for doing kld modules. Two linker_sets were replaced by SYSINIT()'s. VFS's and exec handlers are self registered. kld is now a superset of lkm. I have converted most of them, they will follow as a seperate commit as samples. This all still works as a static a.out kernel using LKM's.
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33983 |
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02-Mar-1998 |
peter |
Update the ELF image activator to use some of the exec resources rather than rolling it's own. This means that it now uses the "safe" exec_map_first_page() to get the ld.so headers rather than risking a panic on a page fault failure (eg: NFS server goes down). Since all the ELF tools go to a lot of trouble to make sure everything lives in the first page for executables, this is a win. I have not seen any ELF executable on any system where all the headers didn't fit in the first page with lots of room to spare. I have been running variations of this code for some time on my pure ELF systems.
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29506 |
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16-Sep-1997 |
bde |
Fixed gratuitous ANSIisms.
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29179 |
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07-Sep-1997 |
bde |
Some staticized variables were still declared to be extern.
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22975 |
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22-Feb-1997 |
peter |
Back out part 1 of the MCFH that changed $Id$ to $FreeBSD$. We are not ready for it yet.
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21673 |
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14-Jan-1997 |
jkh |
Make the long-awaited change from $Id$ to $FreeBSD$
This will make a number of things easier in the future, as well as (finally!) avoiding the Id-smashing problem which has plagued developers for so long.
Boy, I'm glad we're not using sup anymore. This update would have been insane otherwise.
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14331 |
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02-Mar-1996 |
peter |
Mega-commit for Linux emulator update.. This has been stress tested under netscape-2.0 for Linux running all the Java stuff. The scrollbars are now working, at least on my machine. (whew! :-)
I'm uncomfortable with the size of this commit, but it's too inter-dependant to easily seperate out.
The main changes:
COMPAT_LINUX is *GONE*. Most of the code has been moved out of the i386 machine dependent section into the linux emulator itself. The int 0x80 syscall code was almost identical to the lcall 7,0 code and a minor tweak allows them to both be used with the same C code. All kernels can now just modload the lkm and it'll DTRT without having to rebuild the kernel first. Like IBCS2, you can statically compile it in with "options LINUX".
A pile of new syscalls implemented, including getdents(), llseek(), readv(), writev(), msync(), personality(). The Linux-ELF libraries want to use some of these.
linux_select() now obeys Linux semantics, ie: returns the time remaining of the timeout value rather than leaving it the original value.
Quite a few bugs removed, including incorrect arguments being used in syscalls.. eg: mixups between passing the sigset as an int, vs passing it as a pointer and doing a copyin(), missing return values, unhandled cases, SIOC* ioctls, etc.
The build for the code has changed. i386/conf/files now knows how to build linux_genassym and generate linux_assym.h on the fly.
Supporting changes elsewhere in the kernel:
The user-mode signal trampoline has moved from the U area to immediately below the top of the stack (below PS_STRINGS). This allows the different binary emulations to have their own signal trampoline code (which gets rid of the hardwired syscall 103 (sigreturn on BSD, syslog on Linux)) and so that the emulator can provide the exact "struct sigcontext *" argument to the program's signal handlers.
The sigstack's "ss_flags" now uses SS_DISABLE and SS_ONSTACK flags, which have the same values as the re-used SA_DISABLE and SA_ONSTACK which are intended for sigaction only. This enables the support of a SA_RESETHAND flag to sigaction to implement the gross SYSV and Linux SA_ONESHOT signal semantics where the signal handler is reset when it's triggered.
makesyscalls.sh no longer appends the struct sysentvec on the end of the generated init_sysent.c code. It's a lot saner to have it in a seperate file rather than trying to update the structure inside the awk script. :-)
At exec time, the dozen bytes or so of signal trampoline code are copied to the top of the user's stack, rather than obtaining the trampoline code the old way by getting a clone of the parent's user area. This allows Linux and native binaries to freely exec each other without getting trampolines mixed up.
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12679 |
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09-Dec-1995 |
peter |
Reorganise ps_strings in order to gain BSD/OS 2.0 binary compatability. This is now in line with NetBSD as well..
Note that once this series of commits is finished, you must recompile libkvm, then ps and maybe 'w'. If you are running the recently imported sendmail-8.7, you should recompile that too (src/conf.c at least).
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12251 |
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13-Nov-1995 |
bde |
Fixed the type of a function pointer in struct execsw.
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7090 |
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16-Mar-1995 |
bde |
Add and move declarations to fix all of the warnings from `gcc -Wimplicit' (except in netccitt, netiso and netns) and most of the warnings from `gcc -Wnested-externs'. Fix all the bugs found. There were no serious ones.
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3471 |
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09-Oct-1994 |
sos |
Latest ibcs2 changes, add errno conversion table. Also add 256 byte spare space on the usr stack.
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3304 |
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02-Oct-1994 |
phk |
Prototypes, prototypes and even more prototypes. Not quite done yet, but getting closer all the time.
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3058 |
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24-Sep-1994 |
dg |
Shuffled macros and definitions around to facilitate architecture independance.
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2165 |
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21-Aug-1994 |
paul |
Made them all idempotent. Reviewed by: Submitted by:
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2133 |
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19-Aug-1994 |
dg |
Hmmm...my workaround for Garrett's new exec prototypes wasn't sufficient. I guess we'll have to not specify what the args to the exec functions are.
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2124 |
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19-Aug-1994 |
dg |
Terry Lambert's loadable kernel module support w/improvements from the NetBSD group.
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1817 |
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02-Aug-1994 |
dg |
Added $Id$
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1549 |
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25-May-1994 |
rgrimes |
The big 4.4BSD Lite to FreeBSD 2.0.0 (Development) patch.
Reviewed by: Rodney W. Grimes Submitted by: John Dyson and David Greenman
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1542 |
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24-May-1994 |
rgrimes |
This commit was generated by cvs2svn to compensate for changes in r1541, which included commits to RCS files with non-trunk default branches.
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1541 |
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24-May-1994 |
rgrimes |
BSD 4.4 Lite Kernel Sources
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