d/freebsd-skq
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity
f371322983
freebsd-skq/sys
History
kib f371322983 On exec, single-threading must be enforced before arguments space is 
allocated from exec_map.  If many threads try to perform execve(2) in
parallel, the exec map is exhausted and some threads sleep
uninterruptible waiting for the map space.  Then, the thread which won
the race for the space allocation, cannot single-thread the process,
causing deadlock.

Reported and tested by:	pho (previous version)
Sponsored by:	The FreeBSD Foundation
MFC after:	2 weeks
2015-05-10 09:00:40 +00:00
..
amd64 On exec, single-threading must be enforced before arguments space is 2015-05-10 09:00:40 +00:00
arm Clean up the style to use "options<space><tab>". 2015-05-10 08:48:00 +00:00
arm64 Port x86 busdma to ARM64 2015-05-08 18:47:19 +00:00
boot Move the text section to the start of the output file, so that when you 2015-05-08 19:43:53 +00:00
bsm
cam Handle EDQUOT backend storage errors same as ENOSPC. 2015-05-06 19:47:31 +00:00
cddl Fix a couple bugs in 64-bit powerpc fasttrap argument retrieval. 2015-05-10 04:33:01 +00:00
compat On exec, single-threading must be enforced before arguments space is 2015-05-10 09:00:40 +00:00
conf Port x86 busdma to ARM64 2015-05-08 18:47:19 +00:00
contrib Move ALTQ from contrib to net/altq. The ALTQ code is for many years 2015-04-16 20:22:40 +00:00
crypto In the version of gcc in the FreeBSD tree, this modification was made to 2015-04-16 17:42:52 +00:00
ddb ddb: ANSI-fy function declarations. 2014-10-12 18:01:52 +00:00
dev Remove unnecessary code and make use of generic implementations for 2015-05-10 02:19:27 +00:00
fs Fix the NFS server's handling of a bogus NFSv2 ROOT RPC. 2015-04-25 00:58:24 +00:00
gdb Add support for gdb's memory searching capabilities to our in-kernel gdb 2014-09-05 16:40:47 +00:00
geom Add apple-boot, apple-hfs and apple-ufs aliases to MBR scheme. 2015-05-05 09:33:02 +00:00
gnu The GNU Amlogic DTS files have some errors (e.g. bad register 2015-04-11 08:17:39 +00:00
i386 On exec, single-threading must be enforced before arguments space is 2015-05-10 09:00:40 +00:00
isa
kern On exec, single-threading must be enforced before arguments space is 2015-05-10 09:00:40 +00:00
kgssapi Avoid dynamic syscall overhead for statically compiled modules. 2014-10-26 19:42:44 +00:00
libkern Move zlib.c from net to libkern. 2015-04-22 14:38:58 +00:00
mips The add_bounce_page() function can be called when loading physical 2015-04-28 06:12:37 +00:00
modules Include makefiles necessary to make ixgbe build with the new code. 2015-04-30 22:56:43 +00:00
net Pass mtag argument into m_tag_locate() to continue the search from 2015-05-06 14:02:57 +00:00
net80211 Turn ieee80211_start_scan_locked() into a swscan module private method. 2015-05-10 06:59:34 +00:00
netgraph Move zlib.c from net to libkern. 2015-04-22 14:38:58 +00:00
netinet MFH: r281855-r282312 2015-05-01 18:07:18 +00:00
netinet6 Mark data checksum as valid for multicast packets, that we send back 2015-05-07 14:17:43 +00:00
netipsec Fix the comment. We will not do SPD lookup again, because 2015-04-28 11:03:47 +00:00
netnatm
netpfil Fix panic when prepare_batch_buffer() returns error. 2015-05-06 07:53:43 +00:00
netsmb
nfs Avoid closing unallocated socket in case socreate fails. 2015-02-28 20:30:29 +00:00
nfsclient Remove some oldnfs remnants. 2015-04-18 16:08:06 +00:00
nfsserver Use M_SIZE() instead of hand-crafted (and mostly correct) NFSMSIZ() macro 2015-01-07 17:22:56 +00:00
nlm Avoid dynamic syscall overhead for statically compiled modules. 2014-10-26 19:42:44 +00:00
ofed Don't drop the idr lock before verifying that the newly-inserted element 2015-05-02 00:26:38 +00:00
opencrypto Move zlib.c from net to libkern. 2015-04-22 14:38:58 +00:00
pc98 Fix kernel build ${MACHINE} path 2015-04-16 22:34:10 +00:00
powerpc Missed ofw_machdep.c in r282264. 2015-04-30 03:15:07 +00:00
rpc Remove hard limits on number of accepting NFS connections. 2015-04-07 10:25:27 +00:00
security cred: add proc_set_cred helper 2015-03-16 00:10:03 +00:00
sparc64 Update this driver to not save copies of registers that are no longer used 2015-04-24 13:12:04 +00:00
sys On exec, single-threading must be enforced before arguments space is 2015-05-10 09:00:40 +00:00
teken mdoc: improvements to SEE ALSO. 2014-12-27 07:07:37 +00:00
tools Allow the make_dtb script to work outside of a "make buildkernel" context 2014-08-30 22:39:15 +00:00
ufs Limit the number of cylinder groups that will be searched when 2015-04-24 23:27:50 +00:00
vm Satisfy vm_object uma zone destructor requirements after r282660 when 2015-05-10 08:21:03 +00:00
x86 Rewrite amd64 PCID implementation to follow an algorithm described in 2015-05-09 19:11:01 +00:00
xdr
xen xen: introduce a newbus function to allocate unused memory 2015-05-08 14:48:40 +00:00
Makefile Remove "pci" from CSCOPEDIRS. 2014-09-23 06:32:19 +00:00