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57a9eeb4ed
freebsd-dev/sys/kern
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Attilio Rao 57a9eeb4ed Avoid memory accesses reordering which can result in fget_unlocked() 
seeing a stale fd_ofiles table once fd_nfiles is already updated,
resulting in OOB accesses.

Approved by:	re (kib)
Sponsored by:	EMC / Isilon storage division
Reported and tested by:	pho
Reviewed by:	benno
2013-09-25 13:37:52 +00:00
..
bus_if.m Add a BUS_CHILD_DELETED() method that a bus can hook to allow it to cleanup 2012-08-21 18:13:09 +00:00
capabilities.conf Sort properly. 2013-09-07 19:16:02 +00:00
clock_if.m /* -> /*- for copyright notices, minor format tweaks as necessary 2005-01-06 23:35:40 +00:00
cpufreq_if.m
device_if.m
dtio_kdtrace.c Change the module name for the I/O provider to "kernel" from 2012-09-25 19:16:28 +00:00
genassym.sh
imgact_aout.c
imgact_elf32.c
imgact_elf64.c
imgact_elf.c Add a mmap flag (MAP_32BIT) on 64-bit platforms to request that a mapping use 2013-09-09 18:11:59 +00:00
imgact_gzip.c Add a mmap flag (MAP_32BIT) on 64-bit platforms to request that a mapping use 2013-09-09 18:11:59 +00:00
imgact_shell.c The execution of the shebang script requires putting interpreter path, 2011-03-06 22:59:30 +00:00
inflate.c Normalize a significant number of kernel malloc type names: 2005-10-31 15:41:29 +00:00
init_main.c Extend the support for exempting processes from being killed when swap is 2013-09-19 18:53:42 +00:00
init_sysent.c Regen. 2013-09-19 18:56:00 +00:00
kern_acct.c acct: create a special plimit object and set it for exiting processes 2013-06-30 19:08:06 +00:00
kern_alq.c The fix committed in r250951 replaced the reported panic with a deadlock... gold 2013-06-17 09:49:07 +00:00
kern_clock.c Correct a bug that prevented deadlkres from (almost) ever firing. 2013-06-28 15:55:30 +00:00
kern_clocksource.c - Make callout(9) tickless, relying on eventtimers(4) as backend for 2013-03-04 11:09:56 +00:00
kern_condvar.c Fix lc_lock/lc_unlock() support for rmlocks held in shared mode. With 2013-09-20 23:06:21 +00:00
kern_conf.c Reject spaces and double quotation marks in device names. devctl(4) 2012-12-22 13:33:28 +00:00
kern_cons.c cngetc: use cpu_spinwait to ease the cncheckc loop a tiny bit 2012-10-06 19:50:23 +00:00
kern_context.c In order to maximize the re-usability of kernel code in user space this 2011-09-16 13:58:51 +00:00
kern_cpu.c
kern_cpuset.c Several improvements to rmlock(9). Many of these are based on patches 2013-06-25 18:44:15 +00:00
kern_ctf.c Remove the support for using non-mpsafe filesystem modules. 2012-10-22 17:50:54 +00:00
kern_descrip.c Avoid memory accesses reordering which can result in fget_unlocked() 2013-09-25 13:37:52 +00:00
kern_dtrace.c
kern_environment.c r249408 and r249436 cause a NULL pointer dereference on the CUBIEBOARD 2013-04-16 22:09:08 +00:00
kern_et.c Fix incorrect assertion that caused panic when periodic-only timers used. 2013-03-13 06:42:01 +00:00
kern_event.c Pre-acquire the filedesc sx when a possibility exists that the later 2013-09-22 19:54:47 +00:00
kern_exec.c Change the cap_rights_t type from uint64_t to a structure that we can extend 2013-09-05 00:09:56 +00:00
kern_exit.c Specify SDT probe argument types in the probe definition itself rather than 2013-08-15 04:08:55 +00:00
kern_fail.c Mark MALLOC_DEFINEs static that have no corresponding MALLOC_DECLAREs. 2011-11-07 06:44:47 +00:00
kern_ffclock.c Revise the sysctl handling code and restructure the hierarchy of sysctls 2011-12-01 07:19:13 +00:00
kern_fork.c Extend the support for exempting processes from being killed when swap is 2013-09-19 18:53:42 +00:00
kern_gzio.c Remove the support for using non-mpsafe filesystem modules. 2012-10-22 17:50:54 +00:00
kern_hhook.c Move hhook's per-vnet initialisation to an earlier SYSINIT SI_SUB stage to 2013-06-15 10:08:34 +00:00
kern_idle.c On multi-core, multi-threaded PPC systems, it is important that the threads 2011-05-31 15:11:43 +00:00
kern_intr.c Snapshot; Do some running repairs on entropy harvesting. More needs to follow. 2013-08-26 18:35:21 +00:00
kern_jail.c Keep PRIV_KMEM_READ permitted inside jails as it is on the outside. 2013-09-06 17:32:29 +00:00
kern_khelp.c Cleanup and simplification in khelp_{register|deregister}_helper(). No 2013-06-15 06:45:17 +00:00
kern_kthread.c Do not use potentially stale thread in kthread_add() 2013-08-17 17:02:43 +00:00
kern_ktr.c ktr: correctly handle possible wrap-around in the boot buffer 2013-02-08 07:29:07 +00:00
kern_ktrace.c Fix panic in ktrcapfail() when no capability rights are passed. 2013-09-18 19:26:08 +00:00
kern_linker.c Rename the kld_unload event handler to kld_unload_try, and add a new 2013-08-24 21:13:38 +00:00
kern_lock.c Fix lc_lock/lc_unlock() support for rmlocks held in shared mode. With 2013-09-20 23:06:21 +00:00
kern_lockf.c Mark MALLOC_DEFINEs static that have no corresponding MALLOC_DECLAREs. 2011-11-07 06:44:47 +00:00
kern_lockstat.c
kern_loginclass.c In order to maximize the re-usability of kernel code in user space this 2011-09-16 13:58:51 +00:00
kern_malloc.c - Disable quantum caches on the kmem_arena. This can make fragmentation 2013-08-13 22:41:24 +00:00
kern_mbuf.c Fixing a small typo. 2013-09-05 18:18:23 +00:00
kern_mib.c fix some fat-fingering in r246246 2013-02-02 14:19:50 +00:00
kern_module.c Fix a typo. 2012-08-22 20:01:57 +00:00
kern_mtxpool.c
kern_mutex.c Fix lc_lock/lc_unlock() support for rmlocks held in shared mode. With 2013-09-20 23:06:21 +00:00
kern_ntptime.c rename scheduler->swapper and SI_SUB_RUN_SCHEDULER->SI_SUB_LAST 2013-07-24 09:45:31 +00:00
kern_osd.c
kern_physio.c Fix some issues in change 254760 pointed out by Bruce Evans: 2013-08-29 16:41:40 +00:00
kern_pmc.c
kern_poll.c Remove unsigned comparison < 0 2013-08-07 07:22:56 +00:00
kern_priv.c Make the comments a little more clear about PRIV_KMEM_*, explicitly 2013-07-06 00:10:52 +00:00
kern_proc.c Extend the support for exempting processes from being killed when swap is 2013-09-19 18:53:42 +00:00
kern_prot.c Style fix 2012-11-14 10:33:12 +00:00
kern_racct.c Accessing td_state requires thread lock to be held. 2013-03-14 23:20:18 +00:00
kern_rangelock.c Change the queue of locks in kern_rangelock.c from holding lock requests in 2013-08-15 20:19:17 +00:00
kern_rctl.c Add CPU percentage limit enforcement to RCTL. The resouce name is "pcpu". 2012-10-26 16:01:08 +00:00
kern_resource.c Call sched_prio() to immediately change the priority of the thread in 2013-03-07 02:53:29 +00:00
kern_rmlock.c Fix lc_lock/lc_unlock() support for rmlocks held in shared mode. With 2013-09-20 23:06:21 +00:00
kern_rwlock.c Consistently use the same value to indicate exclusively-held and 2013-09-22 14:09:07 +00:00
kern_sdt.c FreeBSD's DTrace implementation has a few problems with respect to handling 2013-08-13 03:10:39 +00:00
kern_sema.c /* -> /*- for copyright notices, minor format tweaks as necessary 2005-01-06 23:35:40 +00:00
kern_sharedpage.c Remove the deprecated VM_ALLOC_RETRY flag for the vm_page_grab(9). 2013-08-22 07:39:53 +00:00
kern_shutdown.c Switch the vm_object mutex to be a rwlock. This will enable in the 2013-03-09 02:32:23 +00:00
kern_sig.c Change the cap_rights_t type from uint64_t to a structure that we can extend 2013-09-05 00:09:56 +00:00
kern_switch.c Add a comment on why inlining critical_enter() may not be a good idea 2012-12-09 04:54:22 +00:00
kern_sx.c Consistently use the same value to indicate exclusively-held and 2013-09-22 14:09:07 +00:00
kern_synch.c Make load average sampling asynchronous to hardclock ticks. This improves 2013-09-24 07:03:16 +00:00
kern_syscalls.c
kern_sysctl.c Add a helpful message that can help point to why a sysctl tree removal failed 2013-08-09 01:04:44 +00:00
kern_tc.c - Make callout(9) tickless, relying on eventtimers(4) as backend for 2013-03-04 11:09:56 +00:00
kern_thr.c
kern_thread.c Another NFS SIGSTOP related fix: Ignore thread suspend requests due to 2013-03-21 14:06:27 +00:00
kern_time.c Implement compat32 wrappers for the ktimer_* syscalls. 2013-07-21 19:43:52 +00:00
kern_timeout.c Fix callout_init_rm() in the shared case, allocating storage for 'struct 2013-09-20 23:16:15 +00:00
kern_umtx.c Fix two issues with the spin loops in the umtx(2) implementation. 2013-06-13 09:33:22 +00:00
kern_uuid.c Further restrict the MAC addresses that we use for UUID generation 2013-07-24 18:13:43 +00:00
kern_xxx.c
ksched.c sched_rr_interval() seems always returned period in hz ticks, but same 2012-08-10 18:19:57 +00:00
link_elf_obj.c Add a mmap flag (MAP_32BIT) on 64-bit platforms to request that a mapping use 2013-09-09 18:11:59 +00:00
link_elf.c Add a mmap flag (MAP_32BIT) on 64-bit platforms to request that a mapping use 2013-09-09 18:11:59 +00:00
linker_if.m
Make.tags.inc - Trim an unused and bogus Makefile for mount_smbfs. 2013-06-28 21:00:08 +00:00
Makefile
makesyscalls.sh Omit "__restrict" when generating syscall argument strings. DTrace doesn't 2013-09-21 23:05:44 +00:00
md4c.c
md5c.c Fix a panic on sparc64 related to inproper aligment - we cannot assume, 2006-03-30 18:45:50 +00:00
p1003_1b.c
posix4_mib.c
sched_4bsd.c rename scheduler->swapper and SI_SUB_RUN_SCHEDULER->SI_SUB_LAST 2013-07-24 09:45:31 +00:00
sched_ule.c Micro-optimize cpu_search(), allowing compiler to use more efficient inline 2013-09-07 15:16:30 +00:00
serdev_if.m MFp4: Add the ipend() method to the serdev I/F to allow umbrella 2006-04-23 22:12:39 +00:00
stack_protector.c
subr_acl_nfs4.c
subr_acl_posix1e.c
subr_autoconf.c Retire PCONFIG and leave the priority of thread0 alone when waiting for 2011-01-06 22:09:37 +00:00
subr_blist.c Remove reference to the rlist code from comments, and fix a typo visible 2013-02-05 20:08:33 +00:00
subr_bufring.c
subr_bus_dma.c Move an assertion to the right spot; only bus_dmamap_load_mbuf(9) 2013-06-01 11:42:47 +00:00
subr_bus.c Allow drivers to return BUS_PROBE_NOWILDCARD from their attach routine to 2013-08-08 19:30:49 +00:00
subr_busdma_bufalloc.c Replace kernel virtual address space allocation with vmem. This provides 2013-08-07 06:21:20 +00:00
subr_capability.c Fix panic in cap_rights_is_valid() when invalid rights are provided - 2013-09-07 19:03:16 +00:00
subr_clock.c Improve style and wording of comments and sysctl descriptions [1]. 2011-01-09 14:34:56 +00:00
subr_counter.c Revert r249590 and in case if mp_ncpus isn't initialized use MAXCPU. This 2013-07-23 11:16:40 +00:00
subr_devstat.c Fix build for kernels with dtrace hooks. 2012-07-11 18:50:50 +00:00
subr_disk.c
subr_dummy_vdso_tc.c
subr_eventhandler.c Split eventhandler_register() into an internal part and a wrapper function 2010-03-19 19:51:03 +00:00
subr_fattime.c
subr_firmware.c Correct sizeof usage 2012-06-25 05:41:16 +00:00
subr_hash.c
subr_hints.c
subr_kdb.c - Extend the KDB interface to add a per-debugger callback to print a 2012-04-12 17:43:59 +00:00
subr_kobj.c As it turns out, r186347 actually is insufficient to avoid the use of the 2011-11-15 20:11:03 +00:00
subr_lock.c Several improvements to rmlock(9). Many of these are based on patches 2013-06-25 18:44:15 +00:00
subr_log.c MFcalloutng (r244255 by mav, with minor changes): 2013-03-04 16:07:55 +00:00
subr_mbpool.c Give (*ext_free) an int return value allowing for very sophisticated 2013-08-25 10:57:09 +00:00
subr_mchain.c Mechanically substitute flags from historic mbuf allocator with 2012-12-05 08:04:20 +00:00
subr_module.c
subr_msgbuf.c
subr_param.c Implement the concept of the unmapped VMIO buffers, i.e. buffers which 2013-03-19 14:13:12 +00:00
subr_pcpu.c
subr_pctrie.c - Add a new general purpose path-compressed radix trie which can be used 2013-05-12 04:05:01 +00:00
subr_power.c General consensus is that it would be even better to run this in a 2005-11-09 16:22:56 +00:00
subr_prf.c Reduce the scope of the proctree_lock. If several processes cause 2013-09-13 06:39:10 +00:00
subr_prof.c
subr_rman.c Unlock in the error path to prevent a lock leak. 2012-05-31 17:27:05 +00:00
subr_rtc.c
subr_sbuf.c Always request zeroed memory, in case we're dumb enough to leak it later. 2013-09-22 23:47:56 +00:00
subr_scanf.c Xen netback driver rewrite. 2012-01-26 16:35:09 +00:00
subr_sglist.c
subr_sleepqueue.c Partially revert r195702. Deferring stops is now implemented via a set of 2013-03-18 17:23:58 +00:00
subr_smp.c Fix ia64 and mips kernel builds due to XENHVM=>GENERIC integration in 2013-09-22 02:46:13 +00:00
subr_stack.c
subr_syscall.c Fix build on ARM (and probably other platforms) 2012-12-28 06:52:53 +00:00
subr_taskqueue.c MFprojects/camlock r254460: 2013-08-24 14:41:49 +00:00
subr_trap.c Partially revert r195702. Deferring stops is now implemented via a set of 2013-03-18 17:23:58 +00:00
subr_turnstile.c Update the comment: we do show the backtrace of misbehaving thread. 2013-02-17 21:37:32 +00:00
subr_uio.c Remove zero-copy sockets code. It only worked for anonymous memory, 2013-09-16 06:25:54 +00:00
subr_unit.c Move the definition of the struct unrhdr into a separate header file, 2013-08-30 07:37:45 +00:00
subr_vmem.c Added sysctl to turn off calls to vmem_check(). 2013-08-20 11:06:56 +00:00
subr_witness.c Trim a couple of panic messages. 2013-09-04 11:52:28 +00:00
sys_capability.c This looks like a typo that breaks the build. Yell at me if this isn't the 2013-09-05 03:36:57 +00:00
sys_generic.c Restore builds on architectures that don't support CAPABILITIES (mips). 2013-09-05 03:46:44 +00:00
sys_pipe.c Add a mmap flag (MAP_32BIT) on 64-bit platforms to request that a mapping use 2013-09-09 18:11:59 +00:00
sys_procdesc.c Change the cap_rights_t type from uint64_t to a structure that we can extend 2013-09-05 00:09:56 +00:00
sys_process.c Extend the support for exempting processes from being killed when swap is 2013-09-19 18:53:42 +00:00
sys_socket.c Make sendfile() a method in the struct fileops. Currently only 2013-08-15 07:54:31 +00:00
syscalls.c Regen. 2013-09-19 18:56:00 +00:00
syscalls.master Extend the support for exempting processes from being killed when swap is 2013-09-19 18:53:42 +00:00
systrace_args.c Regenerate syscall argument strings after r255777. 2013-09-21 23:06:36 +00:00
sysv_ipc.c Move SysV IPC freebsd32 compat shims helpers from freebsd32_misc.c to 2010-03-19 11:01:51 +00:00
sysv_msg.c
sysv_sem.c In order to maximize the re-usability of kernel code in user space this 2011-09-16 13:58:51 +00:00
sysv_shm.c Add a mmap flag (MAP_32BIT) on 64-bit platforms to request that a mapping use 2013-09-09 18:11:59 +00:00
tty_compat.c
tty_info.c
tty_inq.c Use strchr() and strrchr(). 2012-01-02 12:12:10 +00:00
tty_outq.c Fix whitespace inconsistencies in the TTY layer and its drivers owned by me. 2011-06-26 18:26:20 +00:00
tty_pts.c Make sendfile() a method in the struct fileops. Currently only 2013-08-15 07:54:31 +00:00
tty_tty.c Finish r210923, 210926. Mark some devices as eternal. 2011-01-04 10:59:38 +00:00
tty_ttydisc.c Correct SIGTTIN handling. 2012-10-25 09:05:21 +00:00
tty.c Change the cap_rights_t type from uint64_t to a structure that we can extend 2013-09-05 00:09:56 +00:00
uipc_accf.c
uipc_cow.c Give (*ext_free) an int return value allowing for very sophisticated 2013-08-25 10:57:09 +00:00
uipc_debug.c Fix socket buffer timeouts precision using the new sbintime_t KPI instead 2013-09-01 23:34:53 +00:00
uipc_domain.c - Implement two new system calls: 2013-03-02 21:11:30 +00:00
uipc_mbuf2.c Mechanically substitute flags from historic mbuf allocator with 2012-12-05 08:04:20 +00:00
uipc_mbuf.c Pad m_hdr on 32bit architectures to to prevent alignment and padding 2013-08-27 20:52:02 +00:00
uipc_mqueue.c Fix !CAPABILITIES build. 2013-09-05 10:24:09 +00:00
uipc_sem.c Change the cap_rights_t type from uint64_t to a structure that we can extend 2013-09-05 00:09:56 +00:00
uipc_shm.c Implement sendfile(2) for the posix shared memory segment file descriptor, 2013-09-11 06:41:15 +00:00
uipc_sockbuf.c Fix socket buffer timeouts precision using the new sbintime_t KPI instead 2013-09-01 23:34:53 +00:00
uipc_socket.c Remove zero-copy sockets code. It only worked for anonymous memory, 2013-09-16 06:25:54 +00:00
uipc_syscalls.c - Create kern.ipc.sendfile namespace, and put the new "readhead" OID 2013-09-22 13:36:52 +00:00
uipc_usrreq.c Provide pr_ctloutput method for AF_LOCAL/SOCK_SEQPACKET sockets. 2013-09-11 18:22:30 +00:00
vfs_acl.c Change the cap_rights_t type from uint64_t to a structure that we can extend 2013-09-05 00:09:56 +00:00
vfs_aio.c The fget() function now takes pointer to cap_rights_t, so change 0 to NULL. 2013-09-05 11:59:23 +00:00
vfs_bio.c Revert r255797. The LK_UPGRADE | LK_NOWAIT drops the lock. 2013-09-22 20:29:03 +00:00
vfs_cache.c namecache sdt: freebsd doesn't support structured characters yet 2013-07-09 08:58:34 +00:00
vfs_cluster.c When allocating a pbuf for the cluster write, do not sleep waiting 2013-08-27 01:31:12 +00:00
vfs_default.c - Convert the bufobj lock to rwlock. 2013-05-31 00:43:41 +00:00
vfs_export.c Further refine the handling of stop signals in the NFS client. The 2013-02-21 19:02:50 +00:00
vfs_extattr.c Change the cap_rights_t type from uint64_t to a structure that we can extend 2013-09-05 00:09:56 +00:00
vfs_hash.c Add exported vfs_hash_index() function, which calculates the canonical 2013-01-14 05:41:40 +00:00
vfs_init.c Revert accidental commit. 2013-06-29 05:05:57 +00:00
vfs_lookup.c Fix panic in ktrcapfail() when no capability rights are passed. 2013-09-18 19:26:08 +00:00
vfs_mount.c Forced dismounts of NFS mounts can fail when thread(s) are stuck 2013-09-01 23:02:59 +00:00
vfs_mountroot.c In r243868, the error message buffer errmsg have been changed from 2013-09-09 05:01:18 +00:00
vfs_subr.c In r114945 the line 'nmp = TAILQ_NEXT(mp, mnt_list);' was duplicated. 2013-08-17 14:13:45 +00:00
vfs_syscalls.c Correct the logic broken in my last commit. 2013-09-05 09:36:19 +00:00
vfs_vnops.c When opening or closing fifo, ensure that the vnode is locked 2013-09-13 06:52:23 +00:00
vnode_if.src remove vop_lookup_pre and vop_lookup_post 2012-11-22 10:36:10 +00:00