Merge commit 2f57ecae4b
This is a new major release with a number of changes and extensions:
- Limited the number of temporary numbers and made the space for them
static so that allocating more space for them cannot fail.
- Allowed integers with non-zero scale to be used with power, places,
and shift operators.
- Added greatest common divisor and least common multiple to lib2.bc.
- Made bc and dc UTF-8 capable.
- Added the ability for users to have bc and dc quit on SIGINT.
- Added the ability for users to disable prompt and TTY mode by
environment variables.
- Added the ability for users to redefine keywords.
- Added dc's modular exponentiation and divmod to bc.
- Added the ability to assign strings to variables and array elements
and pass them to functions in bc.
- Added dc's asciify command and stream printing to bc.
- Added bitwise and, or, xor, left shift, right shift, reverse,
left rotate, right rotate, and mod functions to lib2.bc.
- Added the functions s2u(x) and s2un(x,n), to lib2.bc.
MFC after: 1 week
If we matched SP to a packet, but no associated SA was found
ipsec4_allocsa will return NULL while setting error=0.
This resulted in use after free and potential kernel panic.
Return EINPROGRESS if the case described above instead.
Obtained from: Semihalf
Sponsored by: Stormshield
Differential revision: https://reviews.freebsd.org/D30994
If an encapsulated frame is going to have DF bit set check its desitnitions'
PMTU and if it won't fit drop it and:
Generate ICMP 3/4 message if the packet was to be forwarded.
Return EMSGSIZE error otherwise.
Obtained from: Semihalf
Sponsored by: Stormshield
Differential revision: https://reviews.freebsd.org/D30993
The NFSv4.2 Allocate operation sanity checks the aa_offset
and aa_length arguments. Since they are assigned to variables
of type off_t (signed) it was possible for them to be negative.
It was also possible for aa_offset+aa_length to exceed OFF_MAX
when stored in lo_end, which is uint64_t.
This patch adds checks for these cases to the sanity check.
Reviewed by: kib
MFC after: 2 weeks
Differential Revision: https://reviews.freebsd.org/D31511
There is a __used member in glibc's posix_spawn_file_actions_t in
spawn.h, so we must temporarily undefine __used when including it,
otherwise Support/Unix/Program.inc fails to build. This is based on
similar handling for __unused in other headers.
Fixes: 31ba4ce889 ("Allow bootstrapping llvm-tblgen on macOS and Linux")
MFC after: 1 week
On non-FreeBSD, the various MACHINE variables for the host when
bootstrapping can be missing or not match FreeBSD's naming, causing
bsd.endian.mk to be unable to infer the endianness. Work around this by
assuming it's unsupported.
Note that we can't check BOOTSTRAPPING here as Makefile.inc1 includes
bsd.compiler.mk before that is set, and so we are unable to catch errors
during buildworld itself when cross-building and bsd.endian.mk failed,
but such errors should also show up when building on FreeBSD.
Fixes: 47363e99d3 ("Enable compressed debug on little-endian targets")
A socket in the FIN_WAIT_1 state is marked disconnected by
do_close_con_rpl() even though there might still receive data pending.
This is because the socket at that point has set SBS_CANTRCVMORE which
causes the protocol layer to discard any data received before the FIN.
However, icl_cxgbei_conn_close needs to wait until all the data has
been discarded. Replace the wait for SS_ISDISCONNECTED with instead
waiting for final_cpl_received() to be called.
Reported by: Jithesh Arakkan @ Chelsio
Sponsored by: Chelsio Communications
Commit a638dc4ebc expands VOP_DEALLOCATE(9)'s parameters list. File
system modules and modules calling VOP_DEALLOCATE(9) need to be rebuilt.
Commit 454bc887f2 introduces fspacectl(2) SPACECTL_DEALLOC support for
POSIX shared memory.
Sponsored by: The FreeBSD Foundation
This implements fspacectl(2) support on shared memory objects. The
semantic of SPACECTL_DEALLOC is equivalent to clearing the backing
store and free the pages within the affected range. If the call
succeeds, subsequent reads on the affected range return all zero.
tests/sys/posixshm/posixshm_tests.c is expanded to include a
fspacectl(2) functional test.
Sponsored by: The FreeBSD Foundation
Reviewed by: kevans, kib
Differential Revision: https://reviews.freebsd.org/D31490
The addition of ioflag allows callers passing
IO_SYNC/IO_DATASYNC/IO_DIRECT down to the file system implementation.
The vop_stddeallocate fallback implementation is updated to pass the
ioflag to the file system implementation. vn_deallocate(9) internally is
also changed to pass ioflag to the VOP_DEALLOCATE call.
Sponsored by: The FreeBSD Foundation
Reviewed by: kib, markj
Differential Revision: https://reviews.freebsd.org/D31500
Yan Zhong at FreeBSD Foundation is working on a wireless network
configuratior for an experimental FreeBSD installer. The new installer
requires an event to detect when connecting to a network fails due to a
bad password. When this happens a WPA-EVENT-TEMP-DISABLED event is
triggered. This patch passes the event to an action file provided by
the new experimental installer.
Submitted by: Yang Zhong <yzhong () freebsdfoundation.org>
Reviewed by: assumed to be reviewed by emaste (and cy)
MFC after: 1 week
Converted vn_write to use this helper.
Sponsored by: The FreeBSD Foundation
MFC after: 3 days
Reviewed by: kib
Differential Revision: https://reviews.freebsd.org/D31513
CLONE_CLEAR_SIGHAND is designed to reset all signal handlers of the child
not set to SIG_IGN to SIG_DFL.
Reviewed by: kib
Differential revision: https://reviews.freebsd.org/D31481
MFC after: 2 weeks
These are needed to signal to the kernel when a Reliability,
Availability, and Serviceability (RAS) exception has triggered.
Reviewed by: mhorne
Sponsored by: The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D31477
In preparation for clone3 system call add struct clone_args and use it in
clone implementation.
Move all of clone related bits to the newly created linux_fork.h header.
Differential revision: https://reviews.freebsd.org/D31474
MFC after: 2 weeks
At least Linux x86 ABI's does not use carry bit and expects that the dx register
is preserved. For this add a new sv_set_fork_retval hook and call it from cpu_fork().
Add a short comment about touching dx in x86_set_fork_retval(), for more details
see phab comments from kib@ and imp@.
Reviewed by: kib
Differential revision: https://reviews.freebsd.org/D31472
MFC after: 2 weeks
As no more NetBSD code in futexes exists replace NetBSD copyrights by
standard FreeBSD 2 clause license.
Add Roman Divacky's copyrights as an author of the robust futexes.
Differential revision: https://reviews.freebsd.org/D31347
MFC after: 2 weeks
The correct condition is to check the number of ivhd entries fit into
the array.
Reported by: bz
Sponsored by: The FreeBSD Foundation
MFC after: 3 days
Differential Revision: https://reviews.freebsd.org/D31514
The Xen kernel has no symbol tables, so calling lookup_symbol against
it triggers the following Divide by Zero fault:
Loading Xen kernel...
/boot/xen data=0x2809c8+0x149638 |
!!!! X64 Exception Type - 00(#DE - Divide Error) CPU Apic ID - 00000000 !!!!
Fix lookup_symbol to prevent the #DE fault from happening if the
symbol table is not loaded and also fix loadfile_raw to mark multiboot
kernels as relocatable, since the only multiboot kernel supported is
Xen and was already unconditionally booted as relocatable.
Fixes: f75caed644 ('amd64 UEFI loader: stop copying staging area to 2M physical')
Reviewed by: imp, kib
Differential Revision: https://reviews.freebsd.org/D31507
bus_activate_resource maps memory regions as uncacheable on x86, which
is more strict than required for regions allocated using xenmem_alloc,
so don't rely on bus_activate_resource and instead map the region
using pmap_mapdev_attr and VM_MEMATTR_XEN as the cache attribute.
Sponsored by: Citrix Systems R&D
This patch adds a Lookup+Open compound RPC to the NFSv4.1/4.2
NFS client, which can be used by nfs_lookup() so that a
subsequent Open RPC is not required.
It uses the cn_flags OPENREAD, OPENWRITE added by commit c18c74a87c.
This reduced the number of RPCs by about 15% for a kernel
build over NFS.
For now, use of Lookup+Open is only done when the "oneopenown"
mount option is used. It may be possible for Lookup+Open to
be used for non-oneopenown NFSv4.1/4.2 mounts, but that will
require extensive further testing to determine if it works.
While here, I've added the changes to the nfscommon module
that are needed to implement the Deallocate NFSv4.2 operation.
This avoids needing another cycle of changes to the internal
KAPI between the NFS modules.
This commit has changed the internal KAPI between the NFS
modules and, as such, all need to be rebuilt from sources.
I have not bumped __FreeBSD_version, since it was bumped a
few days ago.
ISA 3.0 allows for nested radix translations with minimal to no
involvement of the hypervisor. This should make pseries signficantly
faster on POWER9 pseries instances, as fewer hypercalls are needed to
manage pmap now.
MFC after: 2 weeks
Relnotes: yes
