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freebsd-nq/sys/kern
History
Robert Watson 6cbea71c82 Cause pfind() not to return processes in the PRS_NEW state. As a result, 
threads consuming the result of pfind() will not need to check for a NULL
credential pointer or other signs of an incompletely created process.
However, this also means that pfind() cannot be used to test for the
existence or find such a process.  Annotate pfind() to indicate that this
is the case.  A review of curent consumers seems to indicate that this is
not a problem for any of them.  This closes a number of race conditions
that could result in NULL pointer dereferences and related failure modes.
Other related races continue to exist, especially during iteration of the
allproc list without due caution.

Discussed with:	tjr, green
2004-08-14 17:15:16 +00:00
..
bus_if.m Minor formatting fixes for lines > 80 characters 2004-08-12 17:26:22 +00:00
clock_if.m
device_if.m Minor formatting fixes for lines > 80 characters 2004-08-12 17:26:22 +00:00
genassym.sh
imgact_aout.c Change the types of vn_rdwr_inchunks()'s len and aresid arguments to 2004-06-05 02:18:28 +00:00
imgact_elf32.c
imgact_elf64.c
imgact_elf.c Add __elfN(dump_thread). This function is called from __elfN(coredump) 2004-08-11 02:35:06 +00:00
imgact_gzip.c Locking for the per-process resource limits structure. 2004-02-04 21:52:57 +00:00
imgact_shell.c
inflate.c
init_main.c Remove global variable rootdevs and rootvp, they are unused as such. 2004-07-28 20:21:04 +00:00
init_sysent.c Give kldunload a -f(orce) argument. 2004-07-13 19:36:59 +00:00
kern_acct.c Second half of the dev_t cleanup. 2004-06-17 17:16:53 +00:00
kern_acl.c Rename suser_cred()'s PRISON_ROOT flag to SUSER_ALLOWJAIL. This is 2004-07-26 07:24:04 +00:00
kern_alq.c Allow MAC policies to block/revoke kern_alq write access to a file. 2003-10-25 16:10:41 +00:00
kern_clock.c Update for the KDB framework: 2004-07-10 21:36:01 +00:00
kern_condvar.c Synchronize the extra SA threading checks and return value handling of 2004-08-10 17:42:59 +00:00
kern_conf.c Better descriptions of the cdev malloc class and mutex. 2004-07-11 19:26:43 +00:00
kern_context.c Change the clear_ret argument of get_mcontext() to be a flags argument. 2003-11-09 20:31:04 +00:00
kern_descrip.c We're not yet ready to assert !Giant in kern_fcntl(), as it's called 2004-08-07 14:09:02 +00:00
kern_environment.c If the buffer supplied to kenv(KENV_DUMP, ...) isn't big enough, 2004-04-28 01:27:33 +00:00
kern_event.c looks like rwatson forgot tabs... :) 2004-08-13 07:38:58 +00:00
kern_exec.c Rename suser_cred()'s PRISON_ROOT flag to SUSER_ALLOWJAIL. This is 2004-07-26 07:24:04 +00:00
kern_exit.c Giant is no longer required by vm_waitproc() and vmspace_exitfree(). 2004-07-30 20:31:02 +00:00
kern_fork.c Increase the amount of data exported by KTR in the KTR_RUNQ setting. 2004-08-09 18:21:12 +00:00
kern_idle.c Expand the generic, but bogusly formed, copyright notice to include 2004-07-25 19:49:01 +00:00
kern_intr.c In ithread_schedule(), when we plan to go harvest some entropy as 2004-08-06 03:39:28 +00:00
kern_jail.c Add two missing includes and remove two uneeded. 2004-06-27 09:03:22 +00:00
kern_kse.c Slight changes to comments and some whitespace changes. 2004-08-09 21:57:30 +00:00
kern_kthread.c
kern_ktr.c Export KTR_COMPILE as a sysctl so you can easily check from user space 2004-07-23 17:41:44 +00:00
kern_ktrace.c Rename suser_cred()'s PRISON_ROOT flag to SUSER_ALLOWJAIL. This is 2004-07-26 07:24:04 +00:00
kern_linker.c Give kldunload a -f(orce) argument. 2004-07-13 19:36:59 +00:00
kern_lock.c Don't include a "\n" in KTR output, it confuses automatic parsing. 2004-07-23 20:12:56 +00:00
kern_lockf.c Remove advertising clause from University of California Regent's license, 2004-04-05 21:03:37 +00:00
kern_mac.c Do a pass over all modules in the kernel and make them return EOPNOTSUPP 2004-07-15 08:26:07 +00:00
kern_malloc.c Reimplement contigmalloc(9) with an algorithm which stands a greatly- 2004-07-19 06:21:27 +00:00
kern_mbuf.c * Add a "how" argument to uma_zone constructors and initialization functions 2004-08-02 00:18:36 +00:00
kern_mib.c Remove advertising clause from University of California Regent's license, 2004-04-05 21:03:37 +00:00
kern_module.c Do a pass over all modules in the kernel and make them return EOPNOTSUPP 2004-07-15 08:26:07 +00:00
kern_mtxpool.c
kern_mutex.c Cache the value of curthread in the _get_sleep_lock() and _get_spin_lock() 2004-08-04 20:18:45 +00:00
kern_ntptime.c Annual NTP kernel code spring-cleaning: 2004-03-14 15:23:05 +00:00
kern_physio.c Eliminate the acquisition and release of Giant within physio(). Remove 2004-08-10 21:47:11 +00:00
kern_poll.c Add a NULL param to an mi_switch() that I missed. 2004-07-03 02:38:03 +00:00
kern_proc.c Cause pfind() not to return processes in the PRS_NEW state. As a result, 2004-08-14 17:15:16 +00:00
kern_prot.c Rename suser_cred()'s PRISON_ROOT flag to SUSER_ALLOWJAIL. This is 2004-07-26 07:24:04 +00:00
kern_resource.c Push UIDINFO_UNLOCK() slightly earlier in chgsbize(), as it's not 2004-08-06 22:04:33 +00:00
kern_sema.c Change the return value of sema_timedwait() so it returns 0 on 2004-06-14 18:19:05 +00:00
kern_shutdown.c Skip the syncing disks loop if there are no dirty buffers. Remove a 2004-08-10 01:32:05 +00:00
kern_sig.c add option to automaticly mark core dumps with the nodump flag 2004-08-09 05:46:46 +00:00
kern_subr.c Clean up and wash struct iovec and struct uio handling. 2004-07-10 15:42:16 +00:00
kern_switch.c Add a temporary debugging hack to detect a deadlock in setrunqueue(). This 2004-08-10 00:26:25 +00:00
kern_sx.c Fix _sx_assert() to panic() rather than printf() when an assertion fails 2004-02-27 16:13:44 +00:00
kern_synch.c Increase the amount of data exported by KTR in the KTR_RUNQ setting. 2004-08-09 18:21:12 +00:00
kern_syscalls.c Do a pass over all modules in the kernel and make them return EOPNOTSUPP 2004-07-15 08:26:07 +00:00
kern_sysctl.c Avoid casts as lvalues. 2004-07-28 06:42:41 +00:00
kern_tc.c Add some KASSERTS. 2004-08-14 08:33:49 +00:00
kern_thr.c When calling scheduler entrypoints for creating new threads and processes, 2004-07-18 23:36:13 +00:00
kern_thread.c Whitespace nit. 2004-08-14 07:21:20 +00:00
kern_time.c Update previous commit to: 2004-06-21 22:34:57 +00:00
kern_timeout.c Cut a KTR record whenever a callout is invoked. Mark whether it runs 2004-08-06 21:49:00 +00:00
kern_umtx.c writers must hold both sched_lock and the process lock; therefore, readers 2004-07-12 15:28:31 +00:00
kern_uuid.c Fix generation of random multicast MAC address. 2004-01-22 13:34:11 +00:00
kern_xxx.c Rename suser_cred()'s PRISON_ROOT flag to SUSER_ALLOWJAIL. This is 2004-07-26 07:24:04 +00:00
ksched.c sched_setscheduler: Return EINVAL when a invalid policy is specified, 2003-09-13 18:46:24 +00:00
link_elf_obj.c Give kldunload a -f(orce) argument. 2004-07-13 19:36:59 +00:00
link_elf.c Normalize the VM wiring done with SPARSE_MAPPING: check for errors, and 2004-08-09 18:46:13 +00:00
linker_if.m The method link_preload_finish is not static. 2003-09-20 17:39:32 +00:00
Make.tags.inc
Makefile
makesyscalls.sh Remove the namespace column from the syscalls tables. We don't actually 2003-12-23 03:50:43 +00:00
md4c.c
md5c.c Revert stuff which accidentally ended up in the previous commit. 2003-07-22 10:36:36 +00:00
p1003_1b.c
posix4_mib.c
sched_4bsd.c Properly keep track of how many kses are on the system run queue(s). 2004-08-11 20:54:48 +00:00
sched_ule.c - Introduce a new flag KEF_HOLD that prevents sched_add() from doing a 2004-08-12 07:56:33 +00:00
subr_acl_posix1e.c Rename suser_cred()'s PRISON_ROOT flag to SUSER_ALLOWJAIL. This is 2004-07-26 07:24:04 +00:00
subr_autoconf.c Remove advertising clause from University of California Regent's license, 2004-04-05 21:03:37 +00:00
subr_blist.c Move the definitions of SWAPBLK_NONE and SWAPBLK_MASK from vm_page.h to 2004-06-04 04:03:26 +00:00
subr_bus.c Add doxygen doc comments for most of newbus and the BUS interface. 2004-07-18 16:30:31 +00:00
subr_clist.c Preparation commit for the tty cleanups that will follow in the near 2004-07-15 20:47:41 +00:00
subr_clock.c Remove advertising clause from University of California Regent's license, 2004-04-05 21:03:37 +00:00
subr_devstat.c Do the dreaded s/dev_t/struct cdev */ 2004-06-16 09:47:26 +00:00
subr_disk.c Report bio_pblkbo instead of bio_blkno. 2003-10-18 17:27:10 +00:00
subr_eventhandler.c
subr_hints.c
subr_kdb.c Add kdb_thr_from_pid(), which given a PID returns the first thread 2004-07-21 04:49:48 +00:00
subr_kobj.c * Add multiple inheritance to kobj. Each class can have zero or more base 2003-10-16 09:16:28 +00:00
subr_log.c Do the dreaded s/dev_t/struct cdev */ 2004-06-16 09:47:26 +00:00
subr_mbpool.c Pass MTX_DEF as the last argument to mtx_init() instead of 0. This 2003-12-07 21:53:41 +00:00
subr_mchain.c Remove advertising clause from University of California Regent's license, 2004-04-05 21:03:37 +00:00
subr_module.c
subr_msgbuf.c Put the message about msgbuf cksum mismatch under bootverbose and tell 2003-09-05 11:12:00 +00:00
subr_param.c Remove advertising clause from University of California Regent's license, 2004-04-05 21:03:37 +00:00
subr_pcpu.c
subr_power.c Move the kernel power change printf under bootverbose since the 2004-01-02 18:24:13 +00:00
subr_prf.c Update for the KDB framework: 2004-07-10 21:43:23 +00:00
subr_prof.c - Move TDF_OWEPREEMPT, TDF_OWEUPC, and TDF_USTATCLOCK over to td_pflags 2004-07-16 21:04:55 +00:00
subr_rman.c Fix the code in rman that merges adjacent unallocated resources to use a 2004-08-05 15:48:18 +00:00
subr_rtc.c Remove advertising clause from University of California Regent's license, 2004-04-05 21:03:37 +00:00
subr_sbuf.c Cosmetic adjustment to previous commit: name the second argument to 2004-07-09 11:37:44 +00:00
subr_scanf.c Remove advertising clause from University of California Regent's license, 2004-04-05 21:03:37 +00:00
subr_sleepqueue.c - Change mi_switch() and sched_switch() to accept an optional thread to 2004-07-02 19:09:50 +00:00
subr_smp.c Don't keep evaluating our own cpu mask.. 2004-08-13 00:57:43 +00:00
subr_taskqueue.c rearange some code that handles the thread taskqueue so that it is more 2004-08-08 02:37:22 +00:00
subr_trap.c Call thread_user_enter for M:N thread, ast() should be treated as another 2004-08-08 22:28:33 +00:00
subr_turnstile.c Revert modification of subr_turnstile.c accidentally included in the 2004-07-25 23:32:32 +00:00
subr_witness.c Remove a potential deadlock on i386 SMP by changing the lazypmap ipi and 2004-08-04 20:31:19 +00:00
sys_generic.c Clean up and wash struct iovec and struct uio handling. 2004-07-10 15:42:16 +00:00
sys_pipe.c Standardize pipe locking, ensuring that everything is locked via 2004-08-03 02:59:15 +00:00
sys_process.c Add pl_flags to ptrace_lwpinfo, two flags PL_FLAG_SA and PL_FLAG_BOUND 2004-08-08 22:26:11 +00:00
sys_socket.c Push Giant acquisition down into fo_stat() from most callers. Acquire 2004-07-22 20:40:23 +00:00
syscalls.c Give kldunload a -f(orce) argument. 2004-07-13 19:36:59 +00:00
syscalls.master Add kldunloadf() system call. Stay tuned for follwing commit messages. 2004-07-13 19:35:11 +00:00
sysv_ipc.c
sysv_msg.c Add missing #include <sys/module.h> 2004-05-30 20:34:58 +00:00
sysv_sem.c Add missing #include <sys/module.h> 2004-05-30 20:34:58 +00:00
sysv_shm.c Avoid casts as lvalues. 2004-07-28 06:42:41 +00:00
tty_compat.c Put the pre FreeBSD-2.x tty compat code under BURN_BRIDGES. 2004-06-21 22:57:16 +00:00
tty_conf.c Preparation commit for the tty cleanups that will follow in the near 2004-07-15 20:47:41 +00:00
tty_cons.c Update for the KDB framework: 2004-07-10 21:43:23 +00:00
tty_pty.c Preparation commit for the tty cleanups that will follow in the near 2004-07-15 20:47:41 +00:00
tty_subr.c Preparation commit for the tty cleanups that will follow in the near 2004-07-15 20:47:41 +00:00
tty_tty.c Second half of the dev_t cleanup. 2004-06-17 17:16:53 +00:00
tty.c Preparation commit for the tty cleanups that will follow in the near 2004-07-15 20:47:41 +00:00
uipc_accf.c Add a global mutex, accept_filter_mtx, to protect the global list of 2004-06-01 04:08:48 +00:00
uipc_cow.c In some cases, sf_buf_alloc() should sleep with pri PCATCH; in others, it 2004-04-03 09:16:27 +00:00
uipc_domain.c Remove advertising clause from University of California Regent's license, 2004-04-05 21:03:37 +00:00
uipc_jumbo.c Use kmem_alloc_nofault() rather than kmem_alloc_pageable() for allocating 2004-07-23 19:36:18 +00:00
uipc_mbuf2.c Make sure we don't call mbuf allocation functions with mutexes held. 2004-07-21 07:12:24 +00:00
uipc_mbuf.c Back out just a portion of Alfred's last commit. Remove the MBUF_CHECK 2004-07-21 21:03:01 +00:00
uipc_proto.c Remove advertising clause from University of California Regent's license, 2004-04-05 21:03:37 +00:00
uipc_sem.c Add missing #include <sys/module.h> 2004-05-30 20:34:58 +00:00
uipc_sockbuf.c Reduce the number of unnecessary unlock-relocks on socket buffer mutexes 2004-06-26 19:10:39 +00:00
uipc_socket2.c Reduce the number of unnecessary unlock-relocks on socket buffer mutexes 2004-06-26 19:10:39 +00:00
uipc_socket.c Replace a reference to splnet() with a reference to locking in a comment. 2004-08-11 03:43:10 +00:00
uipc_syscalls.c Add a kern_setsockopt and kern_getsockopt which can read the option 2004-07-17 21:06:36 +00:00
uipc_usrreq.c After completing a name lookup for a target UNIX domain socket to 2004-08-14 03:43:49 +00:00
vfs_acl.c Rename suser_cred()'s PRISON_ROOT flag to SUSER_ALLOWJAIL. This is 2004-07-26 07:24:04 +00:00
vfs_aio.c clean up whitespace... 2004-08-13 17:43:53 +00:00
vfs_bio.c Eliminate unused second argument to reassignbuf() and simplify it 2004-07-25 21:24:23 +00:00
vfs_cache.c Remove advertising clause from University of California Regent's license, 2004-04-05 21:03:37 +00:00
vfs_cluster.c Eliminate unused second argument to reassignbuf() and simplify it 2004-07-25 21:24:23 +00:00
vfs_default.c Make VFS_ROOT() and vflush() take a thread argument. 2004-07-12 08:14:09 +00:00
vfs_export.c Make VFS_ROOT() and vflush() take a thread argument. 2004-07-12 08:14:09 +00:00
vfs_extattr.c Rename suser_cred()'s PRISON_ROOT flag to SUSER_ALLOWJAIL. This is 2004-07-26 07:24:04 +00:00
vfs_init.c Put a version element in the VFS filesystem configuration structure 2004-07-30 22:08:52 +00:00
vfs_lookup.c Assert Giant in namei(). Bugs have been reported in which, following 2004-08-04 18:39:07 +00:00
vfs_mount.c Put a version element in the VFS filesystem configuration structure 2004-07-30 22:08:52 +00:00
vfs_subr.c In v_addpollinfo(), we allocate storage to back vp->v_pollinfo. However, 2004-08-11 01:27:53 +00:00
vfs_syscalls.c Rename suser_cred()'s PRISON_ROOT flag to SUSER_ALLOWJAIL. This is 2004-07-26 07:24:04 +00:00
vfs_vnops.c Flag a broad range of VFS operations as GIANT_REQUIRED in order to 2004-08-06 22:25:35 +00:00
vnode_if.src Remove advertising clause from University of California Regent's license, 2004-04-05 21:03:37 +00:00