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c7fb7ce53a
freebsd-skq/sys/kern
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Attilio Rao c7fb7ce53a subr_sleepqueue.c presents a thread lock missing which leads to dangerous 
races for some struct thread members.
More specifically, this bug seems responsible for some memory dumping
problems people were experiencing.

Fix this adding correct thread locking.

Tested by: rwatson
Submitted by: tegge
Approved by: jeff
Approved by: re
2007-09-13 09:12:36 +00:00
..
bus_if.m o break newbus api: add a new argument of type driver_filter_t to 2007-02-23 12:19:07 +00:00
clock_if.m
cpufreq_if.m
device_if.m
genassym.sh
imgact_aout.c Correct two vm object reference leaks in error cases. 2006-03-16 08:51:59 +00:00
imgact_elf32.c
imgact_elf64.c
imgact_elf.c Rework the support for ABIs to override resource limits (used by 32-bit 2007-05-14 22:40:04 +00:00
imgact_gzip.c
imgact_shell.c
inflate.c
init_main.c Fix a bug caming from the committing a pre-merge version of the patch 2007-06-10 00:28:41 +00:00
init_sysent.c Regenerate. 2007-08-16 05:32:26 +00:00
kern_acct.c Add missing newline in the log message of the previous commit. 2007-08-31 13:56:26 +00:00
kern_alq.c Change the VOP_OPEN(), vn_open() vnode operation and d_fdopen() cdev operation 2007-06-01 14:33:11 +00:00
kern_clock.c Since locking in kern/subr_prof.c is changed a bit, we need nomore of 2007-06-09 19:41:14 +00:00
kern_condvar.c Commit 2/14 of sched_lock decomposition. 2007-06-04 23:50:56 +00:00
kern_conf.c Revert destroy_dev() to the state before destroy_dev_sched() was introduced. 2007-07-05 13:04:59 +00:00
kern_context.c Further system call comment cleanup: 2007-03-05 13:10:58 +00:00
kern_cpu.c Always call sched_bind(), even if on the CPU in question. It is wrong to 2007-08-20 06:28:26 +00:00
kern_descrip.c Remove the now-unused NET_{LOCK,UNLOCK,ASSERT}_GIANT() macros, which 2007-08-06 14:26:03 +00:00
kern_environment.c Further system call comment cleanup: 2007-03-05 13:10:58 +00:00
kern_event.c Revert previous commits which I committed by mistake. 2007-07-14 21:23:31 +00:00
kern_exec.c Fix a couple of issues with the stack limit for 32-bit processes on 64-bit 2007-07-12 18:01:31 +00:00
kern_exit.c Improve the ktrace locking somewhat to reduce overhead: 2007-06-13 20:01:42 +00:00
kern_fork.c Rather than passing SUSER_RUID into priv_check_cred() to specify when 2007-06-16 23:41:43 +00:00
kern_idle.c Commit 14/14 of sched_lock decomposition. 2007-06-05 00:00:57 +00:00
kern_intr.c Commit 14/14 of sched_lock decomposition. 2007-06-05 00:00:57 +00:00
kern_jail.c Fix jails and jail-friendly file systems handling: 2007-04-13 23:54:22 +00:00
kern_kse.c Actually, upcalls cannot be freed while destroying the thread because we 2007-07-27 09:21:18 +00:00
kern_kthread.c Commit 14/14 of sched_lock decomposition. 2007-06-05 00:00:57 +00:00
kern_ktr.c Remove slightly oddly placed suser() call from the KTR/ALQ setup sysctl: 2006-09-09 16:09:01 +00:00
kern_ktrace.c Partially revert the previous change. I failed to notice that where 2007-08-29 21:17:11 +00:00
kern_linker.c Revert UF_OPENING workaround for CURRENT. 2007-05-31 11:51:53 +00:00
kern_lock.c Move lock_profile_object_{init,destroy}() into lock_{init,destroy}(). 2007-05-18 15:04:59 +00:00
kern_lockf.c Do not call free() while holding vnode interlock. 2007-08-07 09:04:50 +00:00
kern_malloc.c Use vm_offset_t for kmembase and kmemlimit rather than char *, avoiding 2007-06-27 13:39:38 +00:00
kern_mbuf.c Despite several examples in the kernel, the third argument of 2007-06-04 18:25:08 +00:00
kern_mib.c Revert VMCNT_* operations introduction. 2007-05-31 22:52:15 +00:00
kern_module.c Remove 'MPSAFE' annotations from the comments above most system calls: all 2007-03-04 22:36:48 +00:00
kern_mtxpool.c Universally adopt most conventional spelling of acquire. 2007-05-27 20:50:23 +00:00
kern_mutex.c - Remove the global definition of sched_lock in mutex.h to break 2007-07-18 20:46:06 +00:00
kern_ntptime.c Only require privilege to set the current time adjustment, not in order to 2007-06-14 18:37:58 +00:00
kern_physio.c
kern_pmc.c
kern_poll.c Remove the now-unused NET_{LOCK,UNLOCK,ASSERT}_GIANT() macros, which 2007-08-06 14:26:03 +00:00
kern_priv.c Continue kernel privilege cleanup for 7.0: unstaticize suser_enabled and 2007-07-02 14:03:29 +00:00
kern_proc.c rufetch and calcru sometimes should be called atomically together. 2007-06-09 21:48:44 +00:00
kern_prot.c Eliminate now-unused SUSER_ALLOWJAIL arguments to priv_check_cred(); in 2007-06-12 00:12:01 +00:00
kern_resource.c - Use ruxagg() in calcru() to make sure we have current tick information 2007-07-17 01:08:09 +00:00
kern_rwlock.c Fix some problems with lock profiling in rw locks: 2007-07-20 08:43:42 +00:00
kern_sema.c
kern_shutdown.c Commit 14/14 of sched_lock decomposition. 2007-06-05 00:00:57 +00:00
kern_sig.c - Calling sched_nice() in tdsigwakeup() is no longer required by ULE and 2007-07-19 08:49:16 +00:00
kern_subr.c Commit 14/14 of sched_lock decomposition. 2007-06-05 00:00:57 +00:00
kern_switch.c - Improve runq_findbit_from() which is used by ULE's circular queue. Mask 2007-08-20 06:36:12 +00:00
kern_sx.c Fix some problems with lock_profiling in sx locks: 2007-07-06 13:20:44 +00:00
kern_synch.c Commit 2/14 of sched_lock decomposition. 2007-06-04 23:50:56 +00:00
kern_syscalls.c Make system call modules a bit more robust: 2006-08-01 16:32:20 +00:00
kern_sysctl.c In userland_sysctl(), call useracc() with the actual newlen value to be 2007-09-02 09:59:33 +00:00
kern_tc.c Despite several examples in the kernel, the third argument of 2007-06-04 18:25:08 +00:00
kern_thr.c Add thr_kill2 syscall which sends a signal to a thread in another process. 2007-08-16 05:26:42 +00:00
kern_thread.c Actually, upcalls cannot be freed while destroying the thread because we 2007-07-27 09:21:18 +00:00
kern_time.c rufetch and calcru sometimes should be called atomically together. 2007-06-09 21:48:44 +00:00
kern_timeout.c Close a race that snuck in with the recent changes to fix a LOR between 2007-08-31 19:01:30 +00:00
kern_umtx.c Backout experimental adaptive-spin umtx code. 2007-06-06 07:35:08 +00:00
kern_uuid.c Correct typo. 2007-04-23 12:53:00 +00:00
kern_xxx.c Further system call comment cleanup: 2007-03-05 13:10:58 +00:00
ksched.c Commit 14/14 of sched_lock decomposition. 2007-06-05 00:00:57 +00:00
link_elf_obj.c Revert UF_OPENING workaround for CURRENT. 2007-05-31 11:51:53 +00:00
link_elf.c Revert UF_OPENING workaround for CURRENT. 2007-05-31 11:51:53 +00:00
linker_if.m
Make.tags.inc Remove netkey directory from cscope/TAGs generation and replace 2007-07-05 08:55:14 +00:00
Makefile - Remove UMAP filesystem. It was disconnected from build three years ago, 2007-06-25 05:06:57 +00:00
makesyscalls.sh Add support for COMPAT6 syscalls. 2007-07-04 22:38:28 +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 Further system call comment cleanup: 2007-03-05 13:10:58 +00:00
posix4_mib.c Fix mispatch of includes list; allows my kernel to build successfully. 2006-11-12 03:34:03 +00:00
sched_4bsd.c - Remove the global definition of sched_lock in mutex.h to break 2007-07-18 20:46:06 +00:00
sched_ule.c - Set steal_thresh to log2(ncpus). This improves idle-time load balancing 2007-08-20 06:34:20 +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
subr_acl_posix1e.c Eliminate now-unused SUSER_ALLOWJAIL arguments to priv_check_cred(); in 2007-06-12 00:12:01 +00:00
subr_autoconf.c Add a mutex to protect the list of interrupt config hooks. We do assume 2006-07-19 18:53:56 +00:00
subr_blist.c
subr_bus.c First in a series of changes to remove the now-unused Giant compatibility 2007-07-27 11:59:57 +00:00
subr_clist.c
subr_clock.c If clock_ct_to_ts fails to convert time time from the real time clock, 2007-07-23 09:42:32 +00:00
subr_devstat.c
subr_disk.c Add a new I/O request - BIO_FLUSH, which basically tells providers below to 2006-10-31 21:11:21 +00:00
subr_eventhandler.c
subr_fattime.c Better naming of fattime conversion functions, they do convert to timespec 2006-10-24 10:27:23 +00:00
subr_firmware.c Cleanup and document the implementation of firmware(9) based on 2007-02-15 17:21:31 +00:00
subr_hints.c Use a sleep mutex instead of an sx lock for the kernel environment. This 2006-07-09 21:42:58 +00:00
subr_kdb.c Add a funny sysctl: debug.kdb.trap_code . 2006-06-18 12:27:59 +00:00
subr_kobj.c
subr_lock.c Revert some debugging KTRs that were added during development. 2007-06-03 18:24:31 +00:00
subr_log.c
subr_mbpool.c Add parens around *free in *free++ in mbp_count() so that mbp_count() 2007-05-27 17:38:36 +00:00
subr_mchain.c
subr_module.c
subr_msgbuf.c
subr_param.c
subr_pcpu.c
subr_power.c
subr_prf.c Instead of doing comparisons using the pcpu area to see if 2007-03-08 06:44:34 +00:00
subr_prof.c Commit 14/14 of sched_lock decomposition. 2007-06-05 00:00:57 +00:00
subr_rman.c Complete removal of restriction about overlaps to rman_manage_region: 2007-04-28 07:37:49 +00:00
subr_rtc.c Use utc_offset() where applicable, and hide the internals of it 2006-10-02 18:23:37 +00:00
subr_sbuf.c
subr_scanf.c
subr_sleepqueue.c subr_sleepqueue.c presents a thread lock missing which leads to dangerous 2007-09-13 09:12:36 +00:00
subr_smp.c This is a follow-up, cleaning-up commit about recent changes involving 2007-09-11 22:54:09 +00:00
subr_stack.c Correct typos 2006-05-28 22:15:28 +00:00
subr_taskqueue.c Commit 14/14 of sched_lock decomposition. 2007-06-05 00:00:57 +00:00
subr_trap.c - Include opt_sched.h for SCHED_STATS. 2007-06-12 23:27:31 +00:00
subr_turnstile.c - Include opt_sched.h for SCHED_STATS. 2007-06-12 23:27:31 +00:00
subr_unit.c Since cdev mutex is after system map mutex in global lock order, free() 2007-07-04 06:56:58 +00:00
subr_witness.c - Remove zstty spin lock for no longer existing zs(4). 2007-06-16 23:30:57 +00:00
sys_generic.c Add freebsd6_ wrappers for mmap/lseek/pread/pwrite/truncate/ftruncate 2007-07-04 22:57:21 +00:00
sys_pipe.c Remove amountpipes counter for pipes -- this replicates the function of 2007-05-27 17:33:10 +00:00
sys_process.c Commit 14/14 of sched_lock decomposition. 2007-06-05 00:00:57 +00:00
sys_socket.c Remove the now-unused NET_{LOCK,UNLOCK,ASSERT}_GIANT() macros, which 2007-08-06 14:26:03 +00:00
syscalls.c Regenerate. 2007-08-16 05:32:26 +00:00
syscalls.master Add thr_kill2 syscall which sends a signal to a thread in another process. 2007-08-16 05:26:42 +00:00
systrace_args.c Regenerate. 2007-08-16 05:32:26 +00:00
sysv_ipc.c Eliminate now-unused SUSER_ALLOWJAIL arguments to priv_check_cred(); in 2007-06-12 00:12:01 +00:00
sysv_msg.c Eliminate now-unused SUSER_ALLOWJAIL arguments to priv_check_cred(); in 2007-06-12 00:12:01 +00:00
sysv_sem.c Relock the sema_mtxp unconditionally after copyin() for SETALL case in 2007-07-03 15:58:47 +00:00
sysv_shm.c Further system call comment cleanup: 2007-03-05 13:10:58 +00:00
tty_compat.c
tty_conf.c
tty_cons.c Revert UF_OPENING workaround for CURRENT. 2007-05-31 11:51:53 +00:00
tty_pts.c Fix bad function type passed to destroy_dev_sched_cb(). 2007-07-05 05:54:47 +00:00
tty_pty.c Use make_dev_credf(MAKEDEV_REF) instead of make_dev() from pty clone handler. 2007-07-03 17:45:52 +00:00
tty_subr.c
tty_tty.c Lock Giant and proctree lock around dereferencing p_session->s_ttyvp->v_rdev. 2007-07-03 17:46:37 +00:00
tty.c ttyfree() frees the cdev(). But if there are pending kevents, 2007-07-20 09:41:54 +00:00
uipc_accf.c
uipc_cow.c
uipc_debug.c sblock() implements a sleep lock by interlocking SB_WANT and SB_LOCK flags 2007-05-03 14:42:42 +00:00
uipc_domain.c Remove the now-unused NET_{LOCK,UNLOCK,ASSERT}_GIANT() macros, which 2007-08-06 14:26:03 +00:00
uipc_mbuf2.c Complete break-out of sys/sys/mac.h into sys/security/mac/mac_framework.h 2006-10-22 11:52:19 +00:00
uipc_mbuf.c Generally migrate to ANSI function headers, and remove 'register' use. 2007-05-16 20:41:08 +00:00
uipc_mqueue.c Eliminate now-unused SUSER_ALLOWJAIL arguments to priv_check_cred(); in 2007-06-12 00:12:01 +00:00
uipc_sem.c Further system call comment cleanup: 2007-03-05 13:10:58 +00:00
uipc_sockbuf.c Now that sx(9) locks support an interruptible lock acquire primitive, 2007-05-31 11:51:22 +00:00
uipc_socket.c Despite several examples in the kernel, the third argument of 2007-06-04 18:25:08 +00:00
uipc_syscalls.c - During shutdown pending, when the last sack came in and 2007-08-27 05:19:48 +00:00
uipc_usrreq.c When we do open, we should lock the vnode exclusively. This fixes few races: 2007-07-26 16:58:09 +00:00
vfs_acl.c Replay minor system call comment cleanup applied to kern_acl.c in a race 2007-03-05 13:26:07 +00:00
vfs_aio.c Destroy the kaio_mtx on the freeing the struct kaioinfo in the 2007-08-20 11:53:26 +00:00
vfs_bio.c Work around an integer overflow in expression `3 * maxbufspace / 4', 2007-06-09 23:41:14 +00:00
vfs_cache.c We only flush entries related to the given file system. Currently there are 2007-06-18 09:28:24 +00:00
vfs_cluster.c - Move rusage from being per-process in struct pstats to per-thread in 2007-06-01 01:12:45 +00:00
vfs_default.c Since renaming of vop_lock to _vop_lock, pre- and post-condition 2007-05-18 13:02:13 +00:00
vfs_export.c Move vnode-to-file-handle translation from vfs_vptofh to vop_vptofh method. 2007-02-15 22:08:35 +00:00
vfs_extattr.c Update comments to reflect changes in the extattrctl() code. 2006-12-23 00:30:03 +00:00
vfs_hash.c Make insmntque() externally visibile and allow it to fail (e.g. during 2007-03-13 01:50:27 +00:00
vfs_init.c Remove VFS_VPTOFH entirely. API is already broken and it is good time to 2007-02-16 17:32:41 +00:00
vfs_lookup.c Universally adopt most conventional spelling of acquire. 2007-05-27 20:50:23 +00:00
vfs_mount.c When restoring the mount after umount failed, the MNTK_UNMOUNT flag 2007-09-12 16:31:32 +00:00
vfs_subr.c When restoring the mount after umount failed, the MNTK_UNMOUNT flag 2007-09-12 16:31:32 +00:00
vfs_syscalls.c Rename mac_check_vnode_delete() MAC Framework and MAC Policy entry 2007-09-10 00:00:18 +00:00
vfs_vnops.c When we do open, we should lock the vnode exclusively. This fixes few races: 2007-07-26 16:58:09 +00:00
vnode_if.src Revert UF_OPENING workaround for CURRENT. 2007-05-31 11:51:53 +00:00