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38f0d940ba
freebsd-skq/sys
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kib 38f0d940ba Do not call trapsignal() after handling usermode fault or interrupt, 
when a signal is not intended to be sent.

The variable holding the signal number to send is left uninitialized,
which sometimes triggers invalid signal checks.

For NMI, a return to usermode without ast processing is done.  On the
other hand, for spurious dtrace probe interrupt it is usermode which
triggered the interrupt, so handle it through userret() as any other
fault.

Reported by:	Nils Beyer <nbe@renzel.net>
PR:	221151
Sponsored by:	The FreeBSD Foundation
MFC after:	1 week
2017-08-02 10:12:10 +00:00
..
amd64 Do not call trapsignal() after handling usermode fault or interrupt, 2017-08-02 10:12:10 +00:00
arm Add the i2c RTC drivers found on various arm systems. 2017-07-30 00:25:29 +00:00
arm64 Pass the last exception trap frame to kdb_trap. This allows show registers 2017-07-26 17:39:10 +00:00
boot Alwinner: nanopi-neo: Remove r_i2c node from DTS as it isn't used on the board 2017-08-01 19:22:00 +00:00
bsm Commit the 64-bit inode project. 2017-05-23 09:29:05 +00:00
cam adaasync(): Set ADA_STATE_WCACHE based on ADA_FLAG_CAN_WCACHE 2017-07-27 07:28:29 +00:00
cddl spa_import_rootpool should be able to handle an imported root pool 2017-07-25 13:17:06 +00:00
compat Remove cycle_t type from the LinuxKPI similar to Linux upstream. 2017-07-31 09:17:54 +00:00
conf Add a driver for the Intersil ISL12xx family of i2c RTC chips. 2017-08-01 04:16:52 +00:00
contrib Merge ena-com 1.1.4.2 2017-08-01 11:00:04 +00:00
crypto Remove register keyword from sys/ and ANSIfy prototypes 2017-05-17 00:34:34 +00:00
ddb Include opt files in the kernel with "" instead of <>. 2017-07-10 05:08:01 +00:00
dev pci: fix write order when sizing BARs 2017-08-01 10:47:44 +00:00
fs Implement proper Linux /dev/fd and /proc/self/fd behavior by adding 2017-08-01 03:40:19 +00:00
gdb
geom Add GEOM::descr attribute for symmetry with GEOM::ident. 2017-07-06 08:36:14 +00:00
gnu Update DTS files from Linux 4.12 2017-07-09 13:53:32 +00:00
i386 Do not call trapsignal() after handling usermode fault or interrupt, 2017-08-02 10:12:10 +00:00
isa Protect access to the AT realtime clock with its own mutex. 2017-07-12 02:42:57 +00:00
kern Amend r321884 to check the refcount and update the class with w_mtx held. 2017-08-01 23:14:38 +00:00
kgssapi
libkern arm64: add ".arch armv8-a+crc" to allow use of crc instructions 2017-06-08 20:06:09 +00:00
mips [ar71xx] get rid of ath_pci - it's built as a module now. 2017-07-28 01:17:38 +00:00
modules Allwinner dtb: Add NanoPi M1 to the build 2017-08-01 20:28:11 +00:00
net Add inpcb pointer to struct ipsec_ctx_data and pass it to the pfil hook 2017-07-31 11:04:35 +00:00
net80211 sys/net8021: Add missing braces in setcurchan(). 2017-08-01 03:13:43 +00:00
netgraph Check return value from soaccept(). 2017-06-14 16:13:20 +00:00
netinet After inpcb route caching was put back in place there is no need for 2017-07-27 13:03:36 +00:00
netinet6 After inpcb route caching was put back in place there is no need for 2017-07-27 13:03:36 +00:00
netipsec Add inpcb pointer to struct ipsec_ctx_data and pass it to the pfil hook 2017-07-31 11:04:35 +00:00
netpfil Fix a couple of typos in a comment. 2017-07-21 03:04:55 +00:00
netsmb
nfs Improve FHA locality control for NFS read/write requests. 2017-07-31 15:23:19 +00:00
nfsclient Add an NFSv4.1 mount option for "use one openowner". 2017-04-13 21:54:19 +00:00
nfsserver
nlm Commit the 64-bit inode project. 2017-05-23 09:29:05 +00:00
ofed Avoid including list.h in LinuxKPI headers. 2017-06-18 16:43:57 +00:00
opencrypto Use const with some read-only buffers in opencrypto APIs. 2017-05-09 18:28:42 +00:00
powerpc Add cpufreq support for P1022 and MPC8536 2017-07-21 03:40:05 +00:00
riscv Clean up MD pollution of bus_dma.h: 2017-07-01 05:35:29 +00:00
rpc Listening sockets improvements. 2017-06-08 21:30:34 +00:00
security Correct bitwise test in mac_bsdextended ugidfw_rule_valid() 2017-06-13 01:17:58 +00:00
sparc64 Clean up MD pollution of bus_dma.h: 2017-07-01 05:35:29 +00:00
sys The blist_meta_* routines that process a subtree take arguments 'radix' and 2017-08-01 03:51:26 +00:00
teken Oops, my fix for bright colors broke bright black some more (in cases 2017-03-27 10:48:28 +00:00
tests style(9): sort headers 2017-05-09 05:08:47 +00:00
tools make.conf: Add the possibility to use another DTC 2017-06-17 23:34:53 +00:00
ufs Avoid reading a snapshot block when it is already in the cache. 2017-07-31 20:41:45 +00:00
vm Mark pages after EOF as clean after pageout. 2017-07-26 20:07:05 +00:00
x86 Don't trace running threads that have interrupts disabled. 2017-07-31 17:57:54 +00:00
xdr * limit size of buffers to RPC_MAXDATASIZE 2017-06-01 06:12:25 +00:00
xen
Makefile Remove glimpse make target added in r181432 2017-05-22 15:53:30 +00:00