Pawel Jakub Dawidek 619f284195 In realloc(9), determine size of the original block based on ...

UMA_SLAB_MALLOC flag.
In some circumstances (I observed it when I was doing a lot of reallocs)
UMA_SLAB_MALLOC can be set even if us_keg != NULL.

If this is the case we have wonderful, silent data corruption, because less
data is copied to the newly allocated region than should be.

I'm not sure when this bug was introduced, it could be there undetected
for years now, as we don't have a lot of realloc(9) consumers and it was
hard to reproduce it...
...but what I know for sure, is that I don't want to know who introduce
the bug:) It took me two/three days to track it down (of course most of
the time I was looking for the bug in my own code).

2005-12-28 01:53:13 +00:00

..

bus_if.m

/* -> /*- for copyright notices, minor format tweaks as necessary

2005-01-06 23:35:40 +00:00

clock_if.m

/* -> /*- for copyright notices, minor format tweaks as necessary

2005-01-06 23:35:40 +00:00

cpufreq_if.m

Introduce a new method, cpufreq_drv_type(), that returns the type of the

2005-02-18 00:23:36 +00:00

device_if.m

/* -> /*- for copyright notices, minor format tweaks as necessary

2005-01-06 23:35:40 +00:00

genassym.sh

…

imgact_aout.c

Maintain the lock on the vnode for most of exec_elfN_imgact().

2005-12-24 04:57:50 +00:00

imgact_elf32.c

…

imgact_elf64.c

…

imgact_elf.c

Fix breakage introduced in the previous commit.

2005-12-26 22:32:52 +00:00

imgact_gzip.c

Maintain the lock on the vnode for most of exec_elfN_imgact().

2005-12-24 04:57:50 +00:00

imgact_shell.c

Fix a panic which could occur parsing #!-lines in a shell-script. If the

2005-06-19 02:21:03 +00:00

inflate.c

Normalize a significant number of kernel malloc type names:

2005-10-31 15:41:29 +00:00

init_main.c

Moderate rewrite of kernel ktrace code to attempt to generally improve

2005-11-13 13:27:44 +00:00

init_sysent.c

Regenerate sysent with new abort2 system call.

2005-12-23 11:58:42 +00:00

kern_acct.c

Significant refactoring of the accounting code to improve locking and VFS

2005-11-12 10:45:13 +00:00

kern_acl.c

Implement new world order in VFS locking for ACLs. This will remove the

2005-09-17 22:01:14 +00:00

kern_alq.c

Modify the alq(9) alq_open() API to accept a file creation mode, rather

2005-04-16 12:12:27 +00:00

kern_clock.c

Tweak how the MD code calls the fooclock() methods some. Instead of

2005-12-22 22:16:09 +00:00

kern_condvar.c

Contributions from XFS for FreeBSD project:

2005-12-12 00:02:22 +00:00

kern_conf.c

Move the initialization of the devmtx into the mutex_init() function

2005-10-18 18:27:44 +00:00

kern_context.c

…

kern_cpu.c

make saved cpu level stackable.

2005-10-03 06:57:29 +00:00

kern_descrip.c

Last step to make mq_notify conform to POSIX standard, If the process

2005-11-30 05:12:03 +00:00

kern_environment.c

Reorder statements to avoid accessing unknown memory.

2005-09-26 14:14:55 +00:00

kern_event.c

Add in kqueue support to LIO event notification and fix how it handled

2005-10-12 17:51:31 +00:00

kern_exec.c

Remove unneeded calls to pmap_remove_all(). The given page is not mapped.

2005-12-11 22:06:57 +00:00

kern_exit.c

Regenerate sysent with new abort2 system call.

2005-12-23 11:58:42 +00:00

kern_fork.c

Moderate rewrite of kernel ktrace code to attempt to generally improve

2005-11-13 13:27:44 +00:00

kern_idle.c

Divorce critical sections from spinlocks. Critical sections as denoted by

2005-04-04 21:53:56 +00:00

kern_intr.c

Add a swi_remove() function to teardown software interrupt handlers. For

2005-10-26 15:51:05 +00:00

kern_jail.c

Push Giant down in jails. Pass the MPSAFE flag to NDINIT, and keep track

2005-09-28 00:30:56 +00:00

kern_kse.c

Cleanup some signal interfaces. Now the tdsignal function accepts

2005-11-03 04:49:16 +00:00

kern_kthread.c

/* -> /*- for copyright notices, minor format tweaks as necessary

2005-01-06 23:35:40 +00:00

kern_ktr.c

- Add curthread to the state that ktr is saving. The extra information is

2005-06-10 23:21:29 +00:00

kern_ktrace.c

In ktr_getrequest(), acquire ktrace_mtx earlier -- while the race

2005-11-14 19:30:09 +00:00

kern_linker.c

Fix a bug in the kernel module runtime linker that made it impossible

2005-10-19 20:40:30 +00:00

kern_lock.c

- Remove and unused include.

2005-12-23 21:32:40 +00:00

kern_lockf.c

Print name of device instead of useless major/minor numbers.

2005-03-29 08:13:01 +00:00

kern_mac.c

Standard Giant push down operations for the Mandatory Access Control (MAC)

2005-10-04 14:32:58 +00:00

kern_malloc.c

In realloc(9), determine size of the original block based on

2005-12-28 01:53:13 +00:00

kern_mbuf.c

Hide the 4k mbuf clusters if the normal clusters are defined to be

2005-12-10 15:21:04 +00:00

kern_mib.c

mp_ncpus is always (properly) initialized, even on UP kernels, so just use it.

2005-08-21 18:03:31 +00:00

kern_module.c

Swap the arguments for CP so we copy the correct source and

2005-02-18 22:14:40 +00:00

kern_mtxpool.c

Make a bunch of malloc types static.

2005-02-10 12:02:37 +00:00

kern_mutex.c

Add a new 'show lock' command to ddb. If the argument has a valid lock

2005-12-13 23:14:35 +00:00

kern_ntptime.c

Explicitly acquire Giant around the ntp_gettime() and assert it in the

2005-05-28 14:34:41 +00:00

kern_physio.c

/* -> /*- for copyright notices, minor format tweaks as necessary

2005-01-06 23:35:40 +00:00

kern_pmc.c

Fix -Wundef.

2005-12-04 02:12:43 +00:00

kern_poll.c

- Don't pollute opt_global.h with DEVICE_POLLING and introduce

2005-10-05 10:09:17 +00:00

kern_proc.c

Moderate rewrite of kernel ktrace code to attempt to generally improve

2005-11-13 13:27:44 +00:00

kern_prot.c

Use the refcount API to manage the reference count for user credentials

2005-09-27 18:09:42 +00:00

kern_resource.c

Calling setrlimit from 32bit apps could potentially increase certain

2005-11-02 21:18:07 +00:00

kern_sema.c

/* -> /*- for copyright notices, minor format tweaks as necessary

2005-01-06 23:35:40 +00:00

kern_shutdown.c

Don't pretend to be thread0 when calling sync().

2005-09-22 15:34:15 +00:00

kern_sig.c

Avoid kernel panic when attaching a process which may not be stopped

2005-12-24 02:59:29 +00:00

kern_subr.c

/* -> /*- for copyright notices, minor format tweaks as necessary

2005-01-06 23:35:40 +00:00

kern_switch.c

Restore KTR_CRITICAL but conditionally compile it in as KTR_SCHED.

2005-12-18 18:10:57 +00:00

kern_sx.c

Add a new 'show lock' command to ddb. If the argument has a valid lock

2005-12-13 23:14:35 +00:00

kern_synch.c

When checking to see if a process has exceeded its time limit, flag the

2005-11-28 19:09:08 +00:00

kern_syscalls.c

…

kern_sysctl.c

Drop in a WITNESS_WARN into SYSCTL_IN to make sure that we are

2005-08-08 21:06:42 +00:00

kern_tc.c

Start time_uptime with 1 instead of 0.

2005-09-19 22:16:31 +00:00

kern_thr.c

Cleanup some signal interfaces. Now the tdsignal function accepts

2005-11-03 04:49:16 +00:00

kern_thread.c

Now SIGCHLD is always queued.

2005-12-09 02:27:55 +00:00

kern_time.c

Fix compiling warning on 64 bits system.

2005-12-09 13:16:48 +00:00

kern_timeout.c

Oops, missed adding the required include.

2005-09-15 20:20:36 +00:00

kern_umtx.c

do umtx_wake at userland thread exit address, so that others userland

2005-10-26 06:55:46 +00:00

kern_uuid.c

Add parse_uuid() that creates a binary representation of an UUID from

2005-10-07 13:37:10 +00:00

kern_xxx.c

/* -> /*- for copyright notices, minor format tweaks as necessary

2005-01-06 23:35:40 +00:00

ksched.c

/* -> /*- for license, minor formatting changes

2005-01-07 02:29:27 +00:00

link_elf_obj.c

Make our ELF64 type definitions match standards. In particular this

2005-12-18 04:52:37 +00:00

link_elf.c

Make our ELF64 type definitions match standards. In particular this

2005-12-18 04:52:37 +00:00

linker_if.m

/* -> /*- for copyright notices, minor format tweaks as necessary

2005-01-06 23:35:40 +00:00

Make.tags.inc

…

Makefile

Add a 'sysent' target that depends on the various files built from

2005-07-13 20:50:17 +00:00

makesyscalls.sh

Introduce a new field in the syscalls.master file format to hold the

2005-05-30 15:09:18 +00:00

md4c.c

/* -> /*- for copyright notices, minor format tweaks as necessary

2005-01-06 23:35:40 +00:00

md5c.c

MD5Pad() should never have been exposed.

2005-02-10 12:20:42 +00:00

p1003_1b.c

Actually commit the code for kern_sched_get_rr_interval().

2005-03-31 22:54:48 +00:00

posix4_mib.c

Back when VOP_* was introduced, we did not have new-style struct

2004-12-01 23:16:38 +00:00

sched_4bsd.c

Move HWPMC_HOOKS into its own opt_hwpmc_hooks.h file. It doesn't merit

2005-06-24 00:16:57 +00:00

sched_ule.c

Use variable i instead of variable cpus as an index to get correct kseq.

2005-12-27 12:02:03 +00:00

subr_acl_posix1e.c

Implement new world order in VFS locking for ACLs. This will remove the

2005-09-17 22:01:14 +00:00

subr_autoconf.c

/* -> /*- for copyright notices, minor format tweaks as necessary

2005-01-06 23:35:40 +00:00

subr_blist.c

…

subr_bus.c

When data passed into devctl_notify is NULL, don't print (null). Instead

2005-10-04 22:25:14 +00:00

subr_clist.c

/* -> /*- for copyright notices, minor format tweaks as necessary

2005-01-06 23:35:40 +00:00

subr_clock.c

/* -> /*- for copyright notices, minor format tweaks as necessary

2005-01-06 23:35:40 +00:00

subr_devstat.c

- Remove two mtx_asserts that can incorrectly trigger if

2005-05-03 10:58:05 +00:00

subr_disk.c

- Fix insertions of bios which represent data earlier than anything else

2005-06-15 23:32:07 +00:00

subr_eventhandler.c

eliminate potential null deref

2005-02-23 19:32:29 +00:00

subr_hints.c

The resource_xxx routines in subr_hints.c are called before and after the

2005-07-31 10:46:55 +00:00

subr_kdb.c

Add stoppcbs[] arrays on Alpha and sparc64 and have each CPU save its

2005-11-03 21:08:20 +00:00

subr_kobj.c

Export a routine, kobj_machdep_init(), that allows platforms

2005-08-07 02:20:35 +00:00

subr_log.c

Use dynamic major number allocation.

2005-02-27 22:02:03 +00:00

subr_mbpool.c

/* -> /*- for copyright notices, minor format tweaks as necessary

2005-01-06 23:35:40 +00:00

subr_mchain.c

Change API of mb_copy_t in libmchain so that netsmb can handle

2005-07-29 13:22:37 +00:00

subr_module.c

…

subr_msgbuf.c

/* -> /*- for copyright notices, minor format tweaks as necessary

2005-01-06 23:35:40 +00:00

subr_param.c

Partially revert revision 1.66, which contained a change that did not

2005-10-14 19:15:10 +00:00

subr_pcpu.c

Fix 'show allpcpu' ddb command on non-x86. CPU IDs are in the range 0 ..

2005-11-03 21:06:29 +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

Acquire Giant in uprintf() and tprintf() rather than asserting it. In

2005-09-26 08:02:24 +00:00

subr_prof.c

Change the addupc_*() functions to use the uintfptr_t type for pc rather

2005-12-16 22:08:32 +00:00

subr_rman.c

Prefer NULL to 0.

2005-11-17 08:56:21 +00:00

subr_rtc.c

/* -> /*- for copyright notices, minor format tweaks as necessary

2005-01-06 23:35:40 +00:00

subr_sbuf.c

Make sbuf_copyin() return the number of bytes copied on success.

2005-12-23 11:49:53 +00:00

subr_scanf.c

…

subr_sleepqueue.c

Clarify panic message, I parsed the old one 'trying to sleep while sleeping'

2005-11-09 07:28:52 +00:00

subr_smp.c

Rename the KDB_STOP_NMI kernel option to STOP_NMI and make it apply to all

2005-10-24 21:04:19 +00:00

subr_stack.c

Add 'depth' argument to CTRSTACK() macro, which allows to reduce number

2005-08-29 11:34:08 +00:00

subr_taskqueue.c

Create the taskqueue_fast handler with INTR_MPSAFE so that it doesn't run

2005-12-23 06:18:33 +00:00

subr_trap.c

Moderate rewrite of kernel ktrace code to attempt to generally improve

2005-11-13 13:27:44 +00:00

subr_turnstile.c

Trim a couple of unneeded includes.

2005-09-29 19:13:52 +00:00

subr_unit.c

Remove debugging printfs.

2005-03-14 06:51:29 +00:00

subr_witness.c

Tweak witness handling of lock object to shave 2 pointers off of each

2005-12-05 20:45:24 +00:00

sys_generic.c

- Add two new system calls: preadv() and pwritev() which are like readv()

2005-07-07 18:17:55 +00:00

sys_pipe.c

In pipe_write(): when uiomove() fails, do not spin on it forever.

2005-12-16 18:32:39 +00:00

sys_process.c

Avoid kernel panic when attaching a process which may not be stopped

2005-12-24 02:59:29 +00:00

sys_socket.c

Introduce three additional MAC Framework and MAC Policy entry points to

2005-04-16 18:46:29 +00:00

syscalls.c

Regenerate sysent with new abort2 system call.

2005-12-23 11:58:42 +00:00

syscalls.master

Add abort2() systemcall.

2005-12-23 11:54:11 +00:00

sysv_ipc.c

/* -> /*- for copyright notices, minor format tweaks as necessary

2005-01-06 23:35:40 +00:00

sysv_msg.c

Add much needed descriptions for a number of the IPC related sysctl OIDs.

2005-02-12 01:22:39 +00:00

sysv_sem.c

Gratuitous renaming of four System V Semaphore MAC Framework entry

2005-06-07 05:03:28 +00:00

sysv_shm.c

Re-order MAC and DAC checks in shmget() in order to give precedence to

2005-10-04 16:40:20 +00:00

tty_compat.c

Make ttsetcompat() static

2005-10-16 20:40:40 +00:00

tty_conf.c

…

tty_cons.c

Use dynamic major number allocation for /dev/console, there is no

2005-02-27 21:52:42 +00:00

tty_pty.c

Merge the dev_clone and dev_clone_cred event handlers into a single

2005-08-08 19:55:32 +00:00

tty_subr.c

/* -> /*- for copyright notices, minor format tweaks as necessary

2005-01-06 23:35:40 +00:00

tty_tty.c

Merge the dev_clone and dev_clone_cred event handlers into a single

2005-08-08 19:55:32 +00:00

tty.c

Revert most of revision 1.235 and fix the problem a different way. We

2005-10-27 16:47:28 +00:00

uipc_accf.c

o setsockopt(2) cannot remove accept filter. [1]

2005-06-11 11:59:48 +00:00

uipc_cow.c

Previously, nothing prevented the page that was returned by pmap_extract()

2005-10-23 07:41:56 +00:00

uipc_domain.c

/* -> /*- for copyright notices, minor format tweaks as necessary

2005-01-06 23:35:40 +00:00

uipc_mbuf2.c

Define four constants, MBUF_{,MEM,CLUSTER,PACKET,TAG}_MEM_NAME, which

2005-07-17 14:04:03 +00:00

uipc_mbuf.c

When using m_dup(9) to copy more than MHLEN bytes of data, don't create an

2005-12-14 23:34:26 +00:00

uipc_mqueue.c

Replace selwakeuppri with selwakeup, let scheduler figure out

2005-12-16 15:01:16 +00:00

uipc_proto.c

Use sparse initializers for "struct domain" and "struct protosw",

2005-11-09 13:29:16 +00:00

uipc_sem.c

Const-qualify ksem_timedwait's parameter abstime as it's only passed in.

2005-10-18 11:46:24 +00:00

uipc_sockbuf.c

Fix a bug in the loop in sonewconn that makes room on the incomplete

2005-11-22 01:55:29 +00:00

uipc_socket2.c

Fix a bug in the loop in sonewconn that makes room on the incomplete

2005-11-22 01:55:29 +00:00

uipc_socket.c

Fix snderr() to not leak the socket buffer lock if an error occurs in

2005-11-29 23:07:14 +00:00

uipc_syscalls.c

Reformat socket control messages on input/output for 32bit compatibility

2005-10-31 21:09:56 +00:00

uipc_usrreq.c

Fix a bunch of SYSCTL_INT() that should have been SYSCTL_ULONG() to

2005-12-14 22:27:48 +00:00

vfs_acl.c

Implement new world order in VFS locking for ACLs. This will remove the

2005-09-17 22:01:14 +00:00

vfs_aio.c

In aio_waitcomplete, do not return EAGAIN if no other threads

2005-11-08 23:48:32 +00:00

vfs_bio.c

Changes imported from XFS for FreeBSD project:

2005-12-07 03:39:08 +00:00

vfs_cache.c

- Fix a leaked reference to a vnode via v_dd. We rely on cache_purge() and

2005-06-17 01:05:13 +00:00

vfs_cluster.c

Changes imported from XFS for FreeBSD project:

2005-12-07 03:39:08 +00:00

vfs_default.c

Eradicate caddr_t from the VFS API.

2005-12-14 00:49:52 +00:00

vfs_export.c

Normalize a significant number of kernel malloc type names:

2005-10-31 15:41:29 +00:00

vfs_extattr.c

Reduce Giant scope a bit, as fdrop() is believed to be MPSAFE.

2005-12-20 00:49:59 +00:00

vfs_hash.c

Normalize a significant number of kernel malloc type names:

2005-10-31 15:41:29 +00:00

vfs_init.c

Remove VFS_START(). Its original purpose involved the mfs filesystem,

2005-02-20 23:02:20 +00:00

vfs_lookup.c

Use correct VFS locking rather than unconditionally grabbing Giant around

2005-09-21 19:49:42 +00:00

vfs_mount.c

vfs_mount_alloc() always returns 0, but what we really want is newly

2005-12-20 00:43:51 +00:00

vfs_subr.c

This is a workaround for a complicated issue involving VFS cookies and devfs.

2005-11-09 22:03:50 +00:00

vfs_syscalls.c

Reduce Giant scope a bit, as fdrop() is believed to be MPSAFE.

2005-12-20 00:49:59 +00:00

vfs_vnops.c

Eradicate caddr_t from the VFS API.

2005-12-14 00:49:52 +00:00

vnode_if.src

Eradicate caddr_t from the VFS API.

2005-12-14 00:49:52 +00:00