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6d2e2df764
freebsd-dev/sys
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Mark Johnston 6d2e2df764 Ensure that directory entry padding bytes are zeroed. 
Directory entries must be padded to maintain alignment; in many
filesystems the padding was not initialized, resulting in stack
memory being copied out to userspace.  With the ino64 work there
are also some explicit pad fields in struct dirent.  Add a subroutine
to clear these bytes and use it in the in-tree filesystems.  The
NFS client is omitted for now as it was fixed separately in r340787.

Reported by:	Thomas Barabosch, Fraunhofer FKIE
Reviewed by:	kib
MFC after:	3 days
Sponsored by:	The FreeBSD Foundation
2018-11-23 22:24:59 +00:00
..
amd64 Clear unused bytes in ia32_osendsig(). 2018-11-22 17:51:19 +00:00
arm axp8xx: Rework the enable part and add the GPIOXLDO regulators 2018-11-23 19:45:57 +00:00
arm64 Handle kernel superpage mappings in pmap_remove_l2(). 2018-11-20 15:12:37 +00:00
bsm
cam Add cam_iosched_set_latfcn to set a latency callback for high latency. 2018-11-15 16:02:45 +00:00
cddl Ensure that directory entry padding bytes are zeroed. 2018-11-23 22:24:59 +00:00
compat linuxkpi: Use pageproc instead of vmproc 2018-11-21 04:34:18 +00:00
conf Derive PHY class to new one specialized for USB PHY functions. 2018-11-23 19:43:18 +00:00
contrib Ensure that libnv can be used when kern.trap_enotcap=1. 2018-11-13 20:07:55 +00:00
crypto rijndael (AES): Avoid leaking sensitive data on kernel stack 2018-10-26 20:53:01 +00:00
ddb ddb: Enable 'thread <address>' 2018-10-20 20:45:49 +00:00
dev Derive PHY class to new one specialized for USB PHY functions. 2018-11-23 19:43:18 +00:00
dts Fix test-dts{,o} targets 2018-11-12 22:18:11 +00:00
fs Ensure that directory entry padding bytes are zeroed. 2018-11-23 22:24:59 +00:00
gdb
geom Revert r340187, it breaks EOD (end-of-device) detection logic. Turns out, 2018-11-07 16:28:09 +00:00
gnu Update our devicetree to 4.19 for arm and arm64 2018-11-10 21:02:32 +00:00
i386 Add evdev support to amd64 and i386 kernels 2018-11-12 21:01:28 +00:00
isa Reapply, with minor tweaks, r338025, from the original commit: 2018-09-26 17:12:14 +00:00
kern Ensure that directory entry padding bytes are zeroed. 2018-11-23 22:24:59 +00:00
kgssapi OpenCrypto: Convert sessions to opaque handles instead of integers 2018-07-18 00:56:25 +00:00
libkern mcount: tidy up ANSIfication 2018-10-20 22:39:35 +00:00
mips Fix access to cpu_model[] in mtk_soc_set_cpu_model() 2018-11-19 06:48:48 +00:00
modules cxgbe(4): Update T4/5/6 firmwares to 1.22.0.3. 2018-11-19 21:59:07 +00:00
net Unbreak kernel build with VLAN_ARRAY defined. 2018-11-21 13:34:21 +00:00
net80211 Fix misspellings of transmitter/transmitted 2018-08-10 20:37:32 +00:00
netgraph Unbreak ng_source(4) for 64-bit platforms including amd64. 2018-11-19 07:27:50 +00:00
netinet Plug some networking sysctl leaks. 2018-11-22 20:49:41 +00:00
netinet6 Plug some networking sysctl leaks. 2018-11-22 20:49:41 +00:00
netipsec Add sadb_x_sa2 extension to SADB_ACQUIRE requests. 2018-10-21 14:19:16 +00:00
netpfil Add ability to use dynamic external prefix in ipfw_nptv6 module. 2018-11-12 11:20:59 +00:00
netsmb Make timespecadd(3) and friends public 2018-07-30 15:46:40 +00:00
nfs
nfsclient
nfsserver
nlm
ofed Plug some networking sysctl leaks. 2018-11-22 20:49:41 +00:00
opencrypto Add sha224 to the authctx union. 2018-10-23 18:07:37 +00:00
powerpc Enable evdev on ppc32 2018-11-20 19:31:02 +00:00
riscv RISC-V: Implement get_cyclecount(9). 2018-11-13 18:20:27 +00:00
rpc Set SO_SNDTIMEO in the client side krpc when CLSET_TIMEOUT is done. 2018-07-20 12:03:16 +00:00
security Add const to input-only char * arguments. 2018-11-02 20:50:22 +00:00
sparc64 Given that the idea of D15374 was to "make memmove a first class citizen", 2018-11-20 00:08:33 +00:00
sys Ensure that directory entry padding bytes are zeroed. 2018-11-23 22:24:59 +00:00
teken Implement ECMA-48 "REP", some Linuxen have started emitting them recently. 2018-10-21 08:29:36 +00:00
tests epoch_test: fix compile 2018-07-15 00:31:17 +00:00
tools Use ${ECHO} in dtb/dtbo build, pass in from dtb.mk for -s 2018-11-09 18:56:40 +00:00
ufs Ensure that directory entry padding bytes are zeroed. 2018-11-23 22:24:59 +00:00
vm linuxkpi: Use pageproc instead of vmproc 2018-11-21 04:34:18 +00:00
x86 Add definitions for Intel Speed Shift 2018-11-21 00:21:58 +00:00
xdr
xen xen: legacy PVH fixes for the new interrupt count 2018-09-13 07:14:11 +00:00
Makefile