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freebsd-skq/lib/libc/sys
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dillon 7a2987cf94 Fix null-pointer dereference crash when the system is intentionally 
run out of KVM through a mmap()/fork() bomb that allocates hundreds
    of thousands of vm_map_entry structures.

    Add panic to make null-pointer dereference crash a little more verbose.

    Add a new sysctl, vm.max_proc_mmap, which specifies the maximum number
    of mmap()'d spaces (discrete vm_map_entry's in the process).  The value
    defaults to around 9000 for a 128MB machine.  The test is scaled for the
    number of processes sharing a vmspace (aka linux threads).  Setting
    the value to 0 disables the feature.

PR: kern/16573
Approved by: jkh
2000-02-16 21:11:33 +00:00
..
__error.c
Function to return a pointer to the non-threaded errno. This is declared
1998-03-09 07:09:55 +00:00
_exit.2
mdoc(7) style fixes
1999-09-05 06:37:01 +00:00
accept.2
General clean-up of socket.h and associated sources to synchronise up
1999-11-24 20:49:04 +00:00
access.2
$Id$ -> $FreeBSD$
1999-08-28 00:22:10 +00:00
acct.2
$Id$ -> $FreeBSD$
1999-08-28 00:22:10 +00:00
adjtime.2
$Id$ -> $FreeBSD$
1999-08-28 00:22:10 +00:00
aio_cancel.2
$Id$ -> $FreeBSD$
1999-08-28 00:22:10 +00:00
aio_error.2
Fixed missing `const' in synopsis.
1999-12-23 16:46:34 +00:00
aio_read.2
$Id$ -> $FreeBSD$
1999-08-28 00:22:10 +00:00
aio_return.2
$Id$ -> $FreeBSD$
1999-08-28 00:22:10 +00:00
aio_suspend.2
Correct the description of the timeout argument. I've examined
1999-10-09 01:35:58 +00:00
aio_write.2
$Id$ -> $FreeBSD$
1999-08-28 00:22:10 +00:00
bind.2
General clean-up of socket.h and associated sources to synchronise up
1999-11-24 20:49:04 +00:00
brk.2
$Id$ -> $FreeBSD$
1999-08-28 00:22:10 +00:00
chdir.2
$Id$ -> $FreeBSD$
1999-08-28 00:22:10 +00:00
chflags.2
mdoc style fix.
1999-09-05 06:39:22 +00:00
chmod.2
$Id$ -> $FreeBSD$
1999-08-28 00:22:10 +00:00
chown.2
$Id$ -> $FreeBSD$
1999-08-28 00:22:10 +00:00
chroot.2
$Id$ -> $FreeBSD$
1999-08-28 00:22:10 +00:00
clock_gettime.2
$Id$ -> $FreeBSD$
1999-08-28 00:22:10 +00:00
close.2
$Id$ -> $FreeBSD$
1999-08-28 00:22:10 +00:00
connect.2
General clean-up of socket.h and associated sources to synchronise up
1999-11-24 20:49:04 +00:00
dup.2
$Id$ -> $FreeBSD$
1999-08-28 00:22:10 +00:00
execve.2
$Id$ -> $FreeBSD$
1999-08-28 00:22:10 +00:00
fcntl.2
$Id$ -> $FreeBSD$
1999-08-28 00:22:10 +00:00
fhopen.2
Fixed wrong #include in synopsis.
1999-12-23 16:48:57 +00:00
flock.2
$Id$ -> $FreeBSD$
1999-08-28 00:22:10 +00:00
fork.2
Remove useless .Fn macro suffix
1999-09-05 06:41:49 +00:00
fsync.2
$Id$ -> $FreeBSD$
1999-08-28 00:22:10 +00:00
ftruncate.c
Implement compile time thread lock debug.
1998-06-09 08:37:35 +00:00
getdirentries.2
$Id$ -> $FreeBSD$
1999-08-28 00:22:10 +00:00
getdtablesize.2
Some style and "look" fixes
1999-09-05 07:02:22 +00:00
getfh.2
$Id$ -> $FreeBSD$
1999-08-28 00:22:10 +00:00
getfsstat.2
$Id$ -> $FreeBSD$
1999-08-28 00:22:10 +00:00
getgid.2
$Id$ -> $FreeBSD$
1999-08-28 00:22:10 +00:00
getgroups.2
$Id$ -> $FreeBSD$
1999-08-28 00:22:10 +00:00
getitimer.2
$Id$ -> $FreeBSD$
1999-08-28 00:22:10 +00:00
getlogin.2
Document the getlogin_r function.
1999-11-28 22:41:50 +00:00
getpeername.2
General clean-up of socket.h and associated sources to synchronise up
1999-11-24 20:49:04 +00:00
getpgrp.2
$Id$ -> $FreeBSD$
1999-08-28 00:22:10 +00:00
getpid.2
$Id$ -> $FreeBSD$
1999-08-28 00:22:10 +00:00
getpriority.2
$Id$ -> $FreeBSD$
1999-08-28 00:22:10 +00:00
getrlimit.2
Add RLIMIT_SBSIZE here, too.
1999-12-03 23:25:14 +00:00
getrusage.2
$Id$ -> $FreeBSD$
1999-08-28 00:22:10 +00:00
getsid.2
$Id$ -> $FreeBSD$
1999-08-28 00:22:10 +00:00
getsockname.2
General clean-up of socket.h and associated sources to synchronise up
1999-11-24 20:49:04 +00:00
getsockopt.2
General clean-up of socket.h and associated sources to synchronise up
1999-11-24 20:49:04 +00:00
gettimeofday.2
Some style and "look" fixes
1999-09-05 07:02:22 +00:00
getuid.2
$Id$ -> $FreeBSD$
1999-08-28 00:22:10 +00:00
intro.2
$Id$ -> $FreeBSD$
1999-08-28 00:22:10 +00:00
ioctl.2
$Id$ -> $FreeBSD$
1999-08-28 00:22:10 +00:00
issetugid.2
Some style and "look" fixes
1999-09-05 07:02:22 +00:00
jail.2
Fix a typo which I cannot believe I missed after rereading this text
1999-12-21 11:55:44 +00:00
kill.2
$Id$ -> $FreeBSD$
1999-08-28 00:22:10 +00:00
kldfind.2
Properly document what ENOENT really means for kldfind(2).
1999-11-14 18:15:33 +00:00
kldfirstmod.2
mdoc(7) style fix: FreeBSD -> .Fx
1999-09-05 06:47:01 +00:00
kldload.2
mdoc(7) style fix: FreeBSD -> .Fx
1999-09-05 06:47:01 +00:00
kldnext.2
mdoc(7) style fix: FreeBSD -> .Fx
1999-09-05 06:47:01 +00:00
kldstat.2
mdoc(7) style fix: FreeBSD -> .Fx
1999-09-05 06:47:01 +00:00
kldunload.2
mdoc(7) style fix: FreeBSD -> .Fx
1999-09-05 06:47:01 +00:00
ktrace.2
Some style and "look" fixes
1999-09-05 07:02:22 +00:00
link.2
$Id$ -> $FreeBSD$
1999-08-28 00:22:10 +00:00
listen.2
$Id$ -> $FreeBSD$
1999-08-28 00:22:10 +00:00
lseek.2
$Id$ -> $FreeBSD$
1999-08-28 00:22:10 +00:00
lseek.c
Implement compile time thread lock debug.
1998-06-09 08:37:35 +00:00
madvise.2
Add MAP_NOSYNC feature to mmap(), and MADV_NOSYNC and MADV_AUTOSYNC to
1999-12-12 03:19:33 +00:00
Makefile.inc
Fixed missing backslash in previous commit. Adding setresuid.2 has taken
2000-01-18 05:38:05 +00:00
mincore.2
$Id$ -> $FreeBSD$
1999-08-28 00:22:10 +00:00
minherit.2
$Id$ -> $FreeBSD$
1999-08-28 00:22:10 +00:00
mkdir.2
$Id$ -> $FreeBSD$
1999-08-28 00:22:10 +00:00
mkfifo.2
$Id$ -> $FreeBSD$
1999-08-28 00:22:10 +00:00
mknod.2
$Id$ -> $FreeBSD$
1999-08-28 00:22:10 +00:00
mlock.2
$Id$ -> $FreeBSD$
1999-08-28 00:22:10 +00:00
mmap.2
Fix null-pointer dereference crash when the system is intentionally
2000-02-16 21:11:33 +00:00
mmap.c
Add #include <unistd.h> to get the prototype for __syscall().
1998-03-09 07:27:58 +00:00
mount.2
$Id$ -> $FreeBSD$
1999-08-28 00:22:10 +00:00
mprotect.2
$Id$ -> $FreeBSD$
1999-08-28 00:22:10 +00:00
msync.2
We _do_ support MS_ASYNC
2000-01-24 18:35:16 +00:00
munmap.2
$Id$ -> $FreeBSD$
1999-08-28 00:22:10 +00:00
nanosleep.2
Name Description (.Nd macro) added.
1999-09-05 06:59:34 +00:00
nfssvc.2
Sync contents of struct nfsd_svrargs
2000-01-09 01:54:35 +00:00
open.2
$Id$ -> $FreeBSD$
1999-08-28 00:22:10 +00:00
pathconf.2
$Id$ -> $FreeBSD$
1999-08-28 00:22:10 +00:00
pipe.2
$Id$ -> $FreeBSD$
1999-08-28 00:22:10 +00:00
poll.2
$Id$ -> $FreeBSD$
1999-08-28 00:22:10 +00:00
pread.c
Add wrappers for pread and pwrite syscalls.
1999-04-04 21:46:24 +00:00
profil.2
$Id$ -> $FreeBSD$
1999-08-28 00:22:10 +00:00
ptrace.2
Document the support in the kernel for hardware debug registers on the
2000-02-12 18:33:54 +00:00
pwrite.c
Add wrappers for pread and pwrite syscalls.
1999-04-04 21:46:24 +00:00
quotactl.2
Some style and "look" fixes
1999-09-05 07:02:22 +00:00
read.2
$Id$ -> $FreeBSD$
1999-08-28 00:22:10 +00:00
readlink.2
$Id$ -> $FreeBSD$
1999-08-28 00:22:10 +00:00
reboot.2
mdoc(7) style fix.
1999-09-05 06:50:49 +00:00
recv.2
General clean-up of socket.h and associated sources to synchronise up
1999-11-24 20:49:04 +00:00
rename.2
$Id$ -> $FreeBSD$
1999-08-28 00:22:10 +00:00
revoke.2
$Id$ -> $FreeBSD$
1999-08-28 00:22:10 +00:00
rfork.2
$Id$ -> $FreeBSD$
1999-08-28 00:22:10 +00:00
rmdir.2
$Id$ -> $FreeBSD$
1999-08-28 00:22:10 +00:00
rtprio.2
Some style and "look" fixes
1999-09-05 07:02:22 +00:00
sched_get_priority_max.2
$Id$ -> $FreeBSD$
1999-08-28 00:22:10 +00:00
sched_setparam.2
$Id$ -> $FreeBSD$
1999-08-28 00:22:10 +00:00
sched_setscheduler.2
$Id$ -> $FreeBSD$
1999-08-28 00:22:10 +00:00
sched_yield.2
$Id$ -> $FreeBSD$
1999-08-28 00:22:10 +00:00
select.2
Clarify that we don't offer hard realtime.
2000-01-24 02:13:21 +00:00
semctl.2
$Id$ -> $FreeBSD$
1999-08-28 00:22:10 +00:00
semget.2
$Id$ -> $FreeBSD$
1999-08-28 00:22:10 +00:00
semop.2
$Id$ -> $FreeBSD$
1999-08-28 00:22:10 +00:00
send.2
General clean-up of socket.h and associated sources to synchronise up
1999-11-24 20:49:04 +00:00
sendfile.2
$Id$ -> $FreeBSD$
1999-08-28 00:22:10 +00:00
setgroups.2
$Id$ -> $FreeBSD$
1999-08-28 00:22:10 +00:00
setpgid.2
$Id$ -> $FreeBSD$
1999-08-28 00:22:10 +00:00
setregid.2
$Id$ -> $FreeBSD$
1999-08-28 00:22:10 +00:00
setresuid.2
Add HISTORY.
2000-01-18 12:50:13 +00:00
setreuid.2
$Id$ -> $FreeBSD$
1999-08-28 00:22:10 +00:00
setsid.2
$Id$ -> $FreeBSD$
1999-08-28 00:22:10 +00:00
setuid.2
$Id$ -> $FreeBSD$
1999-08-28 00:22:10 +00:00
shmat.2
$Id$ -> $FreeBSD$
1999-08-28 00:22:10 +00:00
shmctl.2
$Id$ -> $FreeBSD$
1999-08-28 00:22:10 +00:00
shmget.2
$Id$ -> $FreeBSD$
1999-08-28 00:22:10 +00:00
shutdown.2
$Id$ -> $FreeBSD$
1999-08-28 00:22:10 +00:00
sigaction.2
Document SA_SIGINFO
1999-12-15 16:51:35 +00:00
sigaltstack.2
$Id$ -> $FreeBSD$
1999-08-28 00:22:10 +00:00
sigpending.2
$Id$ -> $FreeBSD$
1999-08-28 00:22:10 +00:00
sigprocmask.2
$Id$ -> $FreeBSD$
1999-08-28 00:22:10 +00:00
sigreturn.2
Some style and "look" fixes
1999-09-05 07:02:22 +00:00
sigstack.2
$Id$ -> $FreeBSD$
1999-08-28 00:22:10 +00:00
sigsuspend.2
$Id$ -> $FreeBSD$
1999-08-28 00:22:10 +00:00
socket.2
Add reference to netgraph(4) in the 'see also' section.
1999-12-06 23:35:40 +00:00
socketpair.2
$Id$ -> $FreeBSD$
1999-08-28 00:22:10 +00:00
stat.2
$Id$ -> $FreeBSD$
1999-08-28 00:22:10 +00:00
statfs.2
sync with src/sys/sys/mount.h
1999-09-10 09:12:24 +00:00
swapon.2
$Id$ -> $FreeBSD$
1999-08-28 00:22:10 +00:00
symlink.2
$Id$ -> $FreeBSD$
1999-08-28 00:22:10 +00:00
sync.2
$Id$ -> $FreeBSD$
1999-08-28 00:22:10 +00:00
sysarch.2
$Id$ -> $FreeBSD$
1999-08-28 00:22:10 +00:00
syscall.2
$Id$ -> $FreeBSD$
1999-08-28 00:22:10 +00:00
truncate.2
$Id$ -> $FreeBSD$
1999-08-28 00:22:10 +00:00
truncate.c
Fixed missing const. Include <unistd.h> so that the function type gets
1997-04-14 15:14:58 +00:00
umask.2
$Id$ -> $FreeBSD$
1999-08-28 00:22:10 +00:00
undelete.2
$Id$ -> $FreeBSD$
1999-08-28 00:22:10 +00:00
unlink.2
$Id$ -> $FreeBSD$
1999-08-28 00:22:10 +00:00
utimes.2
$Id$ -> $FreeBSD$
1999-08-28 00:22:10 +00:00
vfork.2
$Id$ -> $FreeBSD$
1999-08-28 00:22:10 +00:00
wait.2
$Id$ -> $FreeBSD$
1999-08-28 00:22:10 +00:00
write.2
$Id$ -> $FreeBSD$
1999-08-28 00:22:10 +00:00