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17b9edd35a
freebsd-skq/sys
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Konstantin Belousov 17b9edd35a The code in linux_proc_exit() contains a race when multiple linux based 
processes exits at the same time.  The linux_emuldata structure is freed
but p->p_emuldata is left as a dangling pointer to the just freed memory.

The check for W_EXIT in the loop scanning the child processes isn't safe
since the state of the child process can change right afterwards. Lock
the process and check the W_EXIT before delivering signal.

Submitted by:	tegge
Reviewed by:	davidxu
MFC after:	1 week
2008-10-31 10:38:30 +00:00
..
amd64 Revert r184136. Instead, push the check for crashdumpmap overflow into the 2008-10-31 10:11:35 +00:00
arm Allow card reader bridge driver to report maximum supported transfer size. 2008-10-29 20:01:26 +00:00
boot Modify our boot block to pick an output device, without which boot1 will fail 2008-10-31 00:52:31 +00:00
bsm When MPSAFE ttys were merged, a new BSM audit event identifier was 2008-08-24 21:20:35 +00:00
cam Retire the MALLOC and FREE macros. They are an abomination unto style(9). 2008-10-23 15:53:51 +00:00
cddl Introduce accmode_t. This is required for NFSv4 ACLs - it will be neccessary 2008-10-28 13:44:11 +00:00
compat The code in linux_proc_exit() contains a race when multiple linux based 2008-10-31 10:38:30 +00:00
conf Make it possible to compile kernel with KTR but without DDB. 2008-10-30 21:48:28 +00:00
contrib Fix a number of style issues in the MALLOC / FREE commit. I've tried to 2008-10-23 20:26:15 +00:00
crypto Simplify session selection/allocation. 2008-08-09 20:01:01 +00:00
ddb Collect N identical (or near identical) mkdumpheader() implementations into 2008-10-01 22:08:53 +00:00
dev Add quirk to set GPIO2 to enable internal speaker on Dell Vostro 1400. 2008-10-30 17:54:20 +00:00
fs Introduce accmode_t. This is required for NFSv4 ACLs - it will be neccessary 2008-10-28 13:44:11 +00:00
gdb Commit SYSINIT() ;-adding patch missed in previous pass. 2008-03-16 13:02:04 +00:00
geom Revert r184136. Instead, push the check for crashdumpmap overflow into the 2008-10-31 10:11:35 +00:00
gnu Introduce accmode_t. This is required for NFSv4 ACLs - it will be neccessary 2008-10-28 13:44:11 +00:00
i386 The file was inadvertently excluded from r184499. 2008-10-31 10:14:28 +00:00
ia64 Retire the MALLOC and FREE macros. They are an abomination unto style(9). 2008-10-23 15:53:51 +00:00
isa MFp4 (my newcard tree): 2008-08-24 07:40:14 +00:00
kern Add three extra to the kinfo_proc_vmmap data. kve_offset - the offset 2008-10-31 05:43:19 +00:00
libkern Prefix the static shl function with '__' like its parent function __qdivrem to 2008-10-09 20:43:42 +00:00
mips Add mips/conf/DEFAULTS and populate it with: 2008-10-23 02:16:38 +00:00
modules Break mac_bsdextended.c out into multiple .c files, with the base access 2008-10-27 12:09:15 +00:00
net Fix a number of style issues in the MALLOC / FREE commit. I've tried to 2008-10-23 20:26:15 +00:00
net80211 Fix checks for fast frames negotiation. ni_ath_flags holds the 2008-10-30 16:22:04 +00:00
netatalk Retire the MALLOC and FREE macros. They are an abomination unto style(9). 2008-10-23 15:53:51 +00:00
netgraph Fix a number of style issues in the MALLOC / FREE commit. I've tried to 2008-10-23 20:26:15 +00:00
netinet Type of q_time (start of queue idle time) has changed: uint32_t -> uint64_t. 2008-10-28 14:14:57 +00:00
netinet6 Add a MAC label, MAC Framework, and MAC policy entry points for IPv6 2008-10-26 22:45:18 +00:00
netipsec Retire the MALLOC and FREE macros. They are an abomination unto style(9). 2008-10-23 15:53:51 +00:00
netipx Retire the MALLOC and FREE macros. They are an abomination unto style(9). 2008-10-23 15:53:51 +00:00
netnatm Retire the MALLOC and FREE macros. They are an abomination unto style(9). 2008-10-23 15:53:51 +00:00
netncp Retire the MALLOC and FREE macros. They are an abomination unto style(9). 2008-10-23 15:53:51 +00:00
netsmb Retire the MALLOC and FREE macros. They are an abomination unto style(9). 2008-10-23 15:53:51 +00:00
nfs Replaced the misleading uses of a historical artefact M_TRYWAIT with M_WAIT. 2008-03-25 09:39:02 +00:00
nfs4client Introduce accmode_t. This is required for NFSv4 ACLs - it will be neccessary 2008-10-28 13:44:11 +00:00
nfsclient Introduce accmode_t. This is required for NFSv4 ACLs - it will be neccessary 2008-10-28 13:44:11 +00:00
nfsserver Introduce accmode_t. This is required for NFSv4 ACLs - it will be neccessary 2008-10-28 13:44:11 +00:00
nlm Rename RPC's 'struct pmap' to 'struct portmap' to avoid confusing it with 2008-08-25 09:36:17 +00:00
opencrypto Don't hang if encrypting/decrypting using struct iovecs where one of the 2008-10-30 16:11:07 +00:00
pc98 Improved IDE HDD geometry adjustment. Previous code didn't work with 2008-10-27 08:40:13 +00:00
pccard
pci Implement miibus_statchg handler. It detects whether rl(4) 2008-10-25 03:41:36 +00:00
powerpc Fix compilation in the case when kernel doesn't have KDB ebabled. 2008-10-30 21:02:00 +00:00
rpc Retire the MALLOC and FREE macros. They are an abomination unto style(9). 2008-10-23 15:53:51 +00:00
security When we drop an audit record going to and audit pipe because the audit 2008-10-30 23:09:19 +00:00
sparc64 - Turn off interrupts instead of only entering a critical section 2008-10-28 22:05:20 +00:00
sun4v - In GCC 4.2 __builtin_frame_address() was fixed to include the 2008-10-27 21:31:14 +00:00
sys Add three extra to the kinfo_proc_vmmap data. kve_offset - the offset 2008-10-31 05:43:19 +00:00
tools Introduce a standalone shell script for embedding MFS image. 2008-02-05 10:46:30 +00:00
ufs Introduce accmode_t. This is required for NFSv4 ACLs - it will be neccessary 2008-10-28 13:44:11 +00:00
vm Update mmap() comment: no more block devices, so no more block device 2008-10-22 16:50:12 +00:00
xdr Add the new kernel-mode NFS Lock Manager. To use it instead of the 2008-03-26 15:23:12 +00:00
xen Fix evtchn initialization on SMP 2008-10-24 07:57:48 +00:00
Makefile Improve the glimpse target: don't index .svn and compile directories. 2008-08-15 14:11:30 +00:00