This change makes required modifications in runtests to also only require the
aesni module on Intel (i386/amd64) platforms, as it is an Intel specific
module.
MFC after: 1 month
MFC to: ^/stable/12 (support not present on ^/stable/11)
Submitted by: Greg V <greg@unrelenting.technology>
Differential Revision: https://reviews.freebsd.org/D21018
This is a gcc 8.0+ warning which needed to be silenced on for the riscv
build. amd64-xtoolchain-gcc still uses gcc 6.4.0 and does not understand
this flag.
Reviewed by: asomers
Feedback from: imp
Differential Revision: https://reviews.freebsd.org/D21195
As per r177853, we need to avoid using errno inside user mutex code, since
signal handlers can interfere with it and mess up libthr internal state.
So, implement _umtx_op_err() instead, which makes a raw syscall and
returns the error value directly instead of using errno.
Approved by: jhibbits (mentor)
Differential Revision: https://reviews.freebsd.org/D20946
ensure that the subsequent mbuf contains the remainder of the bytes
the caller sought. If this is not the case, fall through to the code
which gathers the bytes in a new mbuf.
This fixes a bug where m_pulldown() could fail to gather all the desired
bytes into consecutive memory.
PR: 238787
Reported by: A reddit user
Discussed with: emaste
Obtained from: NetBSD
MFC after: 3 days
Our in-tree gcc doesn't have a no-tree-vectorize optimization knob, so we get a
warning that it's unused. This causes the build to fail on all our gcc platforms.
Add a quick version check as a stop-gap measure to get CI building again.
An earlier version of the patch had code that set "error" between
line#s 2797-2799. When that code was moved, the second check for "error != 0"
could never be true and the check became harmless cruft.
This patch removes the cruft, mainly to make Coverity happy.
Reported by: asomers, cem
Since the VOP_IOCTL(FIOSEEKDATA/FIOSEEKHOLE) calls are done with the
vnode unlocked, it is possible for another thread to do:
- truncate(), lseek(), write()
between the two calls and create a hole where FIOSEEKDATA returned the
start of data.
For this case, VOP_IOCTL(FIOSEEKHOLE) will return the same offset for
the hole location. This could result in an infinite loop in the copy
code, since copylen is set to 0 and the copy doesn't advance.
Usually, this race is avoided because of the use of rangelocks, but the
NFS server does not do range locking and could do a sequence like the
above to create the hole.
This patch checks for this case and makes the hole search fail, to avoid
the infinite loop.
At this time, it is an open question as to whether or not the NFS server
should do range locking to avoid this race.
We should support removing vdev from boot pool. Update loader zfs reader
to support com.delphix:removing.
Reviewed by: allanjude
MFC after: 2 weeks
Differential Revision: https://reviews.freebsd.org/D18901
Create a rough and ready NOTES file from GENERIC, remove the duplication from
sys/conf/NOTES and add relevant no* directives to make this compile.
Reviewed by: jhb, manu (earlier versions that differed only in comments)
Differential Revision: https://reviews.freebsd.org/D21184
The COMPAT_43 option isn't quite like the other compat options, and arm64 makes
attempts to support it in 64-bit mode. In 32-bit compat mode, however, two
syscall implementations that COMPAT_FREEBSD32 assumes will be there are
missing. Provide implementations for these: ofreebsd32_sigreturn (which we'll
never encounter, so implement it as nosys as is done in kern_sig.c) and
ofreebsd32_getpagesize, where we'll always return 4096 since that's the only
PAGE_SIZE we support, similar to how the ia32 implementation does things.
Reviewed by: manu@
Differential Revision: https://reviews.freebsd.org/D21192
The chain command can be used to chain load another binary.
If veriexec is enabled we should verify it first.
Note that on EFI systems the verification was already done
through firmware, assuming that Secure Boot was enabled there.
Submitted by: Kornel Duleba <mindal@semihalf.com>
Reviewed by: sjg
MFC after: 1 week
Obtained from: Semihalf
Differential Revision: https://reviews.freebsd.org/D20952
During early stages of kern_exec(), including strings copyout,
p_textvp for init is NULL. This prevented stack grow from working for
init execution.
Without stack gap enabled, initial stack segment size is enough for
strings passed by kernel to init. With the gap enabled, the used
address might fall out of the initial segment, which kills init.
Exclude initproc from the check for contexts which should not cause
stack grow in the target map.
Sponsored by: The FreeBSD Foundation
MFC after: 1 week
Attempts to use cryptodev (e.g. tests at /usr/src/tests/sys/opencrypto
with armv8crypto added to the module lists) were causing a panic.
Submitted by: Greg V <greg_unrelenting.technology>
Differential Revision: https://reviews.freebsd.org/D21012
IPPROTO 33 is DCCP in the IANA Registry:
https://www.iana.org/assignments/protocol-numbers/protocol-numbers.xhtml
IPPROTO_SEP was added about 20 years ago in r33804. The entries were added
straight from RFC1700, without regard to whether they were used.
The reference in RFC1700 for SEP is '[JC120] <mystery contact>', this is an
indication that the protocol number was probably in use in a private network.
As RFC1700 is no longer the authoritative list of internet numbers and that
IANA assinged 33 to DCCP in RFC4340, change the header to the actual
authoritative source.
Reviewed by: Richard Scheffenegger, bz
Approved by: bz (mentor)
MFC after: 1 week
Differential Revision: https://reviews.freebsd.org/D21178
Move ip6asfrag and the accompanying IP6_REASS_MBUF macro from
ip6_var.h into frag6.c as they are not used outside frag6.c.
Sadly struct ip6q is all over the mac framework so we have to
leave it public.
This reduces the public KPI space.
MFC after: 3 months
X-MFC: possibly MFC the #define only to stable branches
Sponsored by: Netflix
Consitently put () around return values.
Do not assign variables at the time of variable declaration.
Sort variables. Rename ia to ia6, remove/reuse some variables used only
once or twice for temporary calculations.
No functional changes intended.
MFC after: 3 months
Sponsored by: Netflix
Cleanup some comments (start with upper case, ends in punctuation,
use width and do not consume vertical space). Update comments to
RFC8200. Some whitespace changes.
No functional changes.
MFC after: 3 months
Sponsored by: Netflix
- Use new zlib headers;
- Removed z_alloc and z_free to use the common sys/dev/zlib version.
- Replace z_compressBound with compressBound from zlib.
While there, limit LZMA CFLAGS to apply only for g_uzip_lzma.c.
PR: 229763
Submitted by: Yoshihiro Ota <ota j email ne jp> (with changes,
bugs are mine)
Differential Revision: https://reviews.freebsd.org/D20271
pmap's lock ensures that other operations on the pmap don't observe the
old mapping being broken before the new mapping is established. However,
pmap_kextract() doesn't acquire the kernel pmap's lock, so it may observe
the broken mapping. And, if it does, it returns an incorrect result.
This revision implements a lock-free solution to this problem in
pmap_update_entry() and pmap_kextract() because pmap_kextract() can't
acquire the kernel pmap's lock.
Reported by: andrew, greg_unrelenting.technology
Reviewed by: andrew, markj
Tested by: greg_unrelenting.technology
X-MFC with: r350579
Differential Revision: https://reviews.freebsd.org/D21169
It is part of -Wformat, which is enabled by -Wall. Empty format strings are
well defined and it is perfectly reasonable to expect them in a formatting
interface.
Summary:
autounmountd(8) uses doubles to handle mount time durations. However,
it must convert to integer types, time_t in particular, to do anything
meaningful. Additionally, even though it's a floating-point value in
seconds, the sub-seconds component is never used, so it's unnecessary.
Switching type to time_t fixes an assertion on powerpc64, which checks
that a sleep value that's not -1.0 is greater than 0. On powerpc64, it
happens that the value of -1.0 gets loaded as a float (perhaps a bug in
gcc), but gets compared to a double. This compares as false, so follows
through the 'sleep != -1.0' path, and fails the assert. Since the
sub-second component isn't used in the double, just drop it and deal
with whole-integer seconds.
Reviewed by: trasz
Differential Revision: https://reviews.freebsd.org/D21109
KDB is standard and the kdb_active variable is always available. So,
de-conditionalize inclusion of sys/kdb.h in kern_sysctl.c.
Reported by: Michael Butler <imb AT protected-networks.net>
X-MFC-With: r350713
Sponsored by: Dell EMC Isilon
Implement `sysctl` in `ddb` by overriding `SYSCTL_OUT`. When handling the
req, we install custom ddb in/out handlers. The out handler prints straight
to the debugger, while the in handler ignores all input. This is intended
to allow us to print just about any sysctl.
There is a known issue when used from ddb(4) entered via 'sysctl
debug.kdb.enter=1'. The DDB mode does not quite prevent all lock
interactions, and it is possible for the recursive Giant lock to be unlocked
when the ddb(4) 'sysctl' command is used. This may result in a panic on
return from ddb(4) via 'c' (continue). Obviously, this is not a problem
when debugging already-paniced systems.
Submitted by: Travis Lane (formerly: <travis.lane AT isilon.com>)
Reviewed by: vangyzen (earlier version), Don Morris <dgmorris AT earthlink.net>
Sponsored by: Dell EMC Isilon
Differential Revision: https://reviews.freebsd.org/D20219
