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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull objtool updates from Ingo Molnar:
"Misc fixes and cleanups:
- Fix potential MAX_NAME_LEN limit related build failures
- Fix scripts/faddr2line symbol filtering bug
- Fix scripts/faddr2line on LLVM=1
- Fix scripts/faddr2line to accept readelf output with mapping
symbols
- Minor cleanups"
* tag 'objtool-core-2023-10-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
scripts/faddr2line: Skip over mapping symbols in output from readelf
scripts/faddr2line: Use LLVM addr2line and readelf if LLVM=1
scripts/faddr2line: Don't filter out non-function symbols from readelf
objtool: Remove max symbol name length limitation
objtool: Propagate early errors
objtool: Use 'the fallthrough' pseudo-keyword
x86/speculation, objtool: Use absolute relocations for annotations
x86/unwind/orc: Remove redundant initialization of 'mid' pointer in __orc_find()
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 hw mitigation updates from Borislav Petkov:
- A bunch of improvements, cleanups and fixlets to the SRSO mitigation
machinery and other, general cleanups to the hw mitigations code, by
Josh Poimboeuf
- Improve the return thunk detection by objtool as it is absolutely
important that the default return thunk is not used after returns
have been patched. Future work to detect and report this better is
pending
- Other misc cleanups and fixes
* tag 'x86_bugs_for_6.7_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (21 commits)
x86/retpoline: Document some thunk handling aspects
x86/retpoline: Make sure there are no unconverted return thunks due to KCSAN
x86/callthunks: Delete unused "struct thunk_desc"
x86/vdso: Run objtool on vdso32-setup.o
objtool: Fix return thunk patching in retpolines
x86/srso: Remove unnecessary semicolon
x86/pti: Fix kernel warnings for pti= and nopti cmdline options
x86/calldepth: Rename __x86_return_skl() to call_depth_return_thunk()
x86/nospec: Refactor UNTRAIN_RET[_*]
x86/rethunk: Use SYM_CODE_START[_LOCAL]_NOALIGN macros
x86/srso: Disentangle rethunk-dependent options
x86/srso: Move retbleed IBPB check into existing 'has_microcode' code block
x86/bugs: Remove default case for fully switched enums
x86/srso: Remove 'pred_cmd' label
x86/srso: Unexport untraining functions
x86/srso: Improve i-cache locality for alias mitigation
x86/srso: Fix unret validation dependencies
x86/srso: Fix vulnerability reporting for missing microcode
x86/srso: Print mitigation for retbleed IBPB case
x86/srso: Print actual mitigation if requested mitigation isn't possible
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Pull initial bcachefs updates from Kent Overstreet:
"Here's the bcachefs filesystem pull request.
One new patch since last week: the exportfs constants ended up
conflicting with other filesystems that are also getting added to the
global enum, so switched to new constants picked by Amir.
The only new non fs/bcachefs/ patch is the objtool patch that adds
bcachefs functions to the list of noreturns. The patch that exports
osq_lock() has been dropped for now, per Ingo"
* tag 'bcachefs-2023-10-30' of https://evilpiepirate.org/git/bcachefs: (2781 commits)
exportfs: Change bcachefs fid_type enum to avoid conflicts
bcachefs: Refactor memcpy into direct assignment
bcachefs: Fix drop_alloc_keys()
bcachefs: snapshot_create_lock
bcachefs: Fix snapshot skiplists during snapshot deletion
bcachefs: bch2_sb_field_get() refactoring
bcachefs: KEY_TYPE_error now counts towards i_sectors
bcachefs: Fix handling of unknown bkey types
bcachefs: Switch to unsafe_memcpy() in a few places
bcachefs: Use struct_size()
bcachefs: Correctly initialize new buckets on device resize
bcachefs: Fix another smatch complaint
bcachefs: Use strsep() in split_devs()
bcachefs: Add iops fields to bch_member
bcachefs: Rename bch_sb_field_members -> bch_sb_field_members_v1
bcachefs: New superblock section members_v2
bcachefs: Add new helper to retrieve bch_member from sb
bcachefs: bucket_lock() is now a sleepable lock
bcachefs: fix crc32c checksum merge byte order problem
bcachefs: Fix bch2_inode_delete_keys()
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Pull nfsd updates from Chuck Lever:
"This release completes the SunRPC thread scheduler work that was begun
in v6.6. The scheduler can now find an svc thread to wake in constant
time and without a list walk. Thanks again to Neil Brown for this
overhaul.
Lorenzo Bianconi contributed infrastructure for a netlink-based NFSD
control plane. The long-term plan is to provide the same functionality
as found in /proc/fs/nfsd, plus some interesting additions, and then
migrate the NFSD user space utilities to netlink.
A long series to overhaul NFSD's NFSv4 operation encoding was applied
in this release. The goals are to bring this family of encoding
functions in line with the matching NFSv4 decoding functions and with
the NFSv2 and NFSv3 XDR functions, preparing the way for better memory
safety and maintainability.
A further improvement to NFSD's write delegation support was
contributed by Dai Ngo. This adds a CB_GETATTR callback, enabling the
server to retrieve cached size and mtime data from clients holding
write delegations. If the server can retrieve this information, it
does not have to recall the delegation in some cases.
The usual panoply of bug fixes and minor improvements round out this
release. As always I am grateful to all contributors, reviewers, and
testers"
* tag 'nfsd-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux: (127 commits)
svcrdma: Fix tracepoint printk format
svcrdma: Drop connection after an RDMA Read error
NFSD: clean up alloc_init_deleg()
NFSD: Fix frame size warning in svc_export_parse()
NFSD: Rewrite synopsis of nfsd_percpu_counters_init()
nfsd: Clean up errors in nfs3proc.c
nfsd: Clean up errors in nfs4state.c
NFSD: Clean up errors in stats.c
NFSD: simplify error paths in nfsd_svc()
NFSD: Clean up nfsd4_encode_seek()
NFSD: Clean up nfsd4_encode_offset_status()
NFSD: Clean up nfsd4_encode_copy_notify()
NFSD: Clean up nfsd4_encode_copy()
NFSD: Clean up nfsd4_encode_test_stateid()
NFSD: Clean up nfsd4_encode_exchange_id()
NFSD: Clean up nfsd4_do_encode_secinfo()
NFSD: Clean up nfsd4_encode_access()
NFSD: Clean up nfsd4_encode_readdir()
NFSD: Clean up nfsd4_encode_entry4()
NFSD: Add an nfsd4_encode_nfs_cookie4() helper
...
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git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull misc fixes from Andrew Morton:
"20 hotfixes. 12 are cc:stable and the remainder address post-6.5
issues or aren't considered necessary for earlier kernel versions"
* tag 'mm-hotfixes-stable-2023-10-24-09-40' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
maple_tree: add GFP_KERNEL to allocations in mas_expected_entries()
selftests/mm: include mman header to access MREMAP_DONTUNMAP identifier
mailmap: correct email aliasing for Oleksij Rempel
mailmap: map Bartosz's old address to the current one
mm/damon/sysfs: check DAMOS regions update progress from before_terminate()
MAINTAINERS: Ondrej has moved
kasan: disable kasan_non_canonical_hook() for HW tags
kasan: print the original fault addr when access invalid shadow
hugetlbfs: close race between MADV_DONTNEED and page fault
hugetlbfs: extend hugetlb_vma_lock to private VMAs
hugetlbfs: clear resv_map pointer if mmap fails
mm: zswap: fix pool refcount bug around shrink_worker()
mm/migrate: fix do_pages_move for compat pointers
riscv: fix set_huge_pte_at() for NAPOT mappings when a swap entry is set
riscv: handle VM_FAULT_[HWPOISON|HWPOISON_LARGE] faults instead of panicking
mmap: fix error paths with dup_anon_vma()
mmap: fix vma_iterator in error path of vma_merge()
mm: fix vm_brk_flags() to not bail out while holding lock
mm/mempolicy: fix set_mempolicy_home_node() previous VMA pointer
mm/page_alloc: correct start page when guard page debug is enabled
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git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu
Pull nolibc fixes from Paul McKenney:
- tools/nolibc: i386: Fix a stack misalign bug on _start
- MAINTAINERS: nolibc: update tree location
- tools/nolibc: mark start_c as weak to avoid linker errors
* tag 'urgent/nolibc.2023.10.16a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu:
tools/nolibc: mark start_c as weak
MAINTAINERS: nolibc: update tree location
tools/nolibc: i386: Fix a stack misalign bug on _start
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Pull virtio fixes from Michael Tsirkin:
"A collection of small fixes that look like worth having in this
release"
* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost:
virtio_pci: fix the common cfg map size
virtio-crypto: handle config changed by work queue
vhost: Allow null msg.size on VHOST_IOTLB_INVALIDATE
vdpa/mlx5: Fix firmware error on creation of 1k VQs
virtio_balloon: Fix endless deflation and inflation on arm64
vdpa/mlx5: Fix double release of debugfs entry
virtio-mmio: fix memory leak of vm_dev
vdpa_sim_blk: Fix the potential leak of mgmt_dev
tools/virtio: Add dma sync api for virtio test
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git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull probes fixes from Masami Hiramatsu:
- kprobe-events: Fix kprobe events to reject if the attached symbol is
not unique name because it may not the function which the user want
to attach to. (User can attach a probe to such symbol using the
nearest unique symbol + offset.)
- selftest: Add a testcase to ensure the kprobe event rejects non
unique symbol correctly.
* tag 'probes-fixes-v6.6-rc6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
selftests/ftrace: Add new test case which checks non unique symbol
tracing/kprobes: Return EADDRNOTAVAIL when func matches several symbols
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git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools
Pull perf tools fixes from Arnaldo Carvalho de Melo:
- Fix regression in reading scale and unit files from sysfs for PMU
events, so that we can use that info to pretty print instead of
printing raw numbers:
# perf stat -e power/energy-ram/,power/energy-gpu/ sleep 2
Performance counter stats for 'system wide':
1.64 Joules power/energy-ram/
0.20 Joules power/energy-gpu/
2.001228914 seconds time elapsed
#
# grep -m1 "model name" /proc/cpuinfo
model name : Intel(R) Core(TM) i7-8650U CPU @ 1.90GHz
#
- The small llvm.cpp file used to check if the llvm devel files are
present was incorrectly deleted when removing the BPF event in 'perf
trace', put it back as it is also used by tools/bpf/bpftool, that
uses llvm routines to do disassembly of BPF object files.
- Fix use of addr_location__exit() in dlfilter__object_code(), making
sure that it is only used to pair a previous addr_location__init()
call.
* tag 'perf-tools-fixes-for-v6.6-2-2023-10-20' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools:
tools build: Fix llvm feature detection, still used by bpftool
perf dlfilter: Add a test for object_code()
perf dlfilter: Fix use of addr_location__exit() in dlfilter__object_code()
perf pmu: Fix perf stat output with correct scale and unit
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git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull Kselftest fix from Shuah Khan:
"One single fix to assert check in user_events abi_test to properly
check bit value on Big Endian architectures. The code treated the bit
values as Little Endian and the check failed on Big Endian"
* tag 'linux_kselftest_active-fixes-6.6-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
selftests/user_events: Fix abi_test for BE archs
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If name_show() is non unique, this test will try to install a kprobe on this
function which should fail returning EADDRNOTAVAIL.
On kernel where name_show() is not unique, this test is skipped.
Link: https://lore.kernel.org/all/20231020104250.9537-3-flaniel@linux.microsoft.com/
Cc: stable@vger.kernel.org
Signed-off-by: Francis Laniel <flaniel@linux.microsoft.com>
Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
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With CONFIG_RETHUNK enabled, the compiler replaces every RET with a tail
call to a return thunk ('JMP __x86_return_thunk'). Objtool annotates
all such return sites so they can be patched during boot by
apply_returns().
The implementation of __x86_return_thunk() is just a bare RET. It's
only meant to be used temporarily until apply_returns() patches all
return sites with either a JMP to another return thunk or an actual RET.
Removing the .text..__x86.return_thunk section would break objtool's
detection of return sites in retpolines. Since retpolines and return
thunks would land in the same section, the compiler no longer uses
relocations for the intra-section jumps between the retpolines and the
return thunk, causing objtool to overlook them.
As a result, none of the retpolines' return sites would get patched.
Each one stays at 'JMP __x86_return_thunk', effectively a bare RET.
Fix it by teaching objtool to detect when a non-relocated jump target is
a return thunk (or retpoline).
[ bp: Massage the commit message now that the offending commit
removing the .text..__x86.return_thunk section has been zapped.
Still keep the objtool change here as it makes objtool more robust
wrt handling such intra-TU jumps without relocations, should some
toolchain and/or config generate them in the future. ]
Reported-by: David Kaplan <david.kaplan@amd.com>
Signed-off-by: Josh Poimboeuf <jpoimboe@kernel.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lore.kernel.org/r/20231012024737.eg5phclogp67ik6x@treble
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When removing the BPF event for perf a feature test that checks if the
llvm devel files are availabe was removed but that is also used by
bpftool.
bpftool uses it to decide what kind of disassembly it will use: llvm or
binutils based.
Removing the tools/build/feature/test-llvm.cpp file made bpftool to
always fallback to binutils disassembly, even with the llvm devel files
installed, fix it by restoring just that small test-llvm.cpp test file.
Fixes: 56b11a2126bf2f42 ("perf bpf: Remove support for embedding clang for compiling BPF events (-e foo.c)")
Reported-by: Manu Bretelle <chantr4@gmail.com>
Reviewed-by: Ian Rogers <irogers@google.com>
Reviewed-by: Manu Bretelle <chantr4@gmail.com>
Acked-by: Quentin Monnet <quentin@isovalent.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Andrii Nakryiko <andrii@kernel.org>
Cc: Anshuman Khandual <anshuman.khandual@arm.com>
Cc: Carsten Haitzler <carsten.haitzler@arm.com>
Cc: Eduard Zingerman <eddyz87@gmail.com>
Cc: Fangrui Song <maskray@google.com>
Cc: He Kuang <hekuang@huawei.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: James Clark <james.clark@arm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Madhavan Srinivasan <maddy@linux.ibm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Nathan Chancellor <nathan@kernel.org>
Cc: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
Cc: Nick Desaulniers <ndesaulniers@google.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ravi Bangoria <ravi.bangoria@amd.com>
Cc: Rob Herring <robh@kernel.org>
Cc: Tiezhu Yang <yangtiezhu@loongson.cn>
Cc: Tom Rix <trix@redhat.com>
Cc: Wang Nan <wangnan0@huawei.com>
Cc: Wang ShaoBo <bobo.shaobowang@huawei.com>
Cc: Yang Jihong <yangjihong1@huawei.com>
Cc: Yonghong Song <yhs@fb.com>
Cc: YueHaibing <yuehaibing@huawei.com>
Link: https://lore.kernel.org/lkml/ZTGa0Ukt7QyxWcVy@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from bluetooth, netfilter, WiFi.
Feels like an up-tick in regression fixes, mostly for older releases.
The hfsc fix, tcp_disconnect() and Intel WWAN fixes stand out as
fairly clear-cut user reported regressions. The mlx5 DMA bug was
causing strife for 390x folks. The fixes themselves are not
particularly scary, tho. No open investigations / outstanding reports
at the time of writing.
Current release - regressions:
- eth: mlx5: perform DMA operations in the right locations, make
devices usable on s390x, again
- sched: sch_hfsc: upgrade 'rt' to 'sc' when it becomes a inner
curve, previous fix of rejecting invalid config broke some scripts
- rfkill: reduce data->mtx scope in rfkill_fop_open, avoid deadlock
- revert "ethtool: Fix mod state of verbose no_mask bitset", needs
more work
Current release - new code bugs:
- tcp: fix listen() warning with v4-mapped-v6 address
Previous releases - regressions:
- tcp: allow tcp_disconnect() again when threads are waiting, it was
denied to plug a constant source of bugs but turns out .NET depends
on it
- eth: mlx5: fix double-free if buffer refill fails under OOM
- revert "net: wwan: iosm: enable runtime pm support for 7560", it's
causing regressions and the WWAN team at Intel disappeared
- tcp: tsq: relax tcp_small_queue_check() when rtx queue contains a
single skb, fix single-stream perf regression on some devices
Previous releases - always broken:
- Bluetooth:
- fix issues in legacy BR/EDR PIN code pairing
- correctly bounds check and pad HCI_MON_NEW_INDEX name
- netfilter:
- more fixes / follow ups for the large "commit protocol" rework,
which went in as a fix to 6.5
- fix null-derefs on netlink attrs which user may not pass in
- tcp: fix excessive TLP and RACK timeouts from HZ rounding (bless
Debian for keeping HZ=250 alive)
- net: more strict VIRTIO_NET_HDR_GSO_UDP_L4 validation, prevent
letting frankenstein UDP super-frames from getting into the stack
- net: fix interface altnames when ifc moves to a new namespace
- eth: qed: fix the size of the RX buffers
- mptcp: avoid sending RST when closing the initial subflow"
* tag 'net-6.6-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (94 commits)
Revert "ethtool: Fix mod state of verbose no_mask bitset"
selftests: mptcp: join: no RST when rm subflow/addr
mptcp: avoid sending RST when closing the initial subflow
mptcp: more conservative check for zero probes
tcp: check mptcp-level constraints for backlog coalescing
selftests: mptcp: join: correctly check for no RST
net: ti: icssg-prueth: Fix r30 CMDs bitmasks
selftests: net: add very basic test for netdev names and namespaces
net: move altnames together with the netdevice
net: avoid UAF on deleted altname
net: check for altname conflicts when changing netdev's netns
net: fix ifname in netlink ntf during netns move
net: ethernet: ti: Fix mixed module-builtin object
net: phy: bcm7xxx: Add missing 16nm EPHY statistics
ipv4: fib: annotate races around nh->nh_saddr_genid and nh->nh_saddr
tcp_bpf: properly release resources on error paths
net/sched: sch_hfsc: upgrade 'rt' to 'sc' when it becomes a inner curve
net: mdio-mux: fix C45 access returning -EIO after API change
tcp: tsq: relax tcp_small_queue_check() when rtx queue contains a single skb
octeon_ep: update BQL sent bytes before ringing doorbell
...
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Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
Pull seccomp fix from Kees Cook:
- Fix seccomp_unotify perf benchmark for 32-bit (Jiri Slaby)
* tag 'seccomp-v6.6-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
perf/benchmark: fix seccomp_unotify benchmark for 32-bit
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Recently, we noticed that some RST were wrongly generated when removing
the initial subflow.
This patch makes sure RST are not sent when removing any subflows or any
addresses.
Fixes: c2b2ae3925b6 ("mptcp: handle correctly disconnect() failures")
Cc: stable@vger.kernel.org
Acked-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Matthieu Baerts <matttbe@kernel.org>
Signed-off-by: Mat Martineau <martineau@kernel.org>
Link: https://lore.kernel.org/r/20231018-send-net-20231018-v1-5-17ecb002e41d@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The commit mentioned below was more tolerant with the number of RST seen
during a test because in some uncontrollable situations, multiple RST
can be generated.
But it was not taking into account the case where no RST are expected:
this validation was then no longer reporting issues for the 0 RST case
because it is not possible to have less than 0 RST in the counter. This
patch fixes the issue by adding a specific condition.
Fixes: 6bf41020b72b ("selftests: mptcp: update and extend fastclose test-cases")
Cc: stable@vger.kernel.org
Reviewed-by: Mat Martineau <martineau@kernel.org>
Signed-off-by: Matthieu Baerts <matttbe@kernel.org>
Signed-off-by: Mat Martineau <martineau@kernel.org>
Link: https://lore.kernel.org/r/20231018-send-net-20231018-v1-1-17ecb002e41d@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Add selftest for fixes around naming netdevs and namespaces.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Commit 7d5cb68af638 (perf/benchmark: add a new benchmark for
seccom_unotify) added a reference to __NR_seccomp into perf. This is
fine as it added also a definition of __NR_seccomp for 64-bit. But it
failed to do so for 32-bit as instead of ifndef, ifdef was used.
Fix this typo (so fix the build of perf on 32-bit).
Fixes: 7d5cb68af638 (perf/benchmark: add a new benchmark for seccom_unotify)
Cc: Andrei Vagin <avagin@google.com>
Cc: "Peter Zijlstra (Intel)" <peterz@infradead.org>
Cc: Kees Cook <keescook@chromium.org>
Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Link: https://lore.kernel.org/r/20231017083019.31733-1-jirislaby@kernel.org
Signed-off-by: Kees Cook <keescook@chromium.org>
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Users complained about OOM errors during fork without triggering
compaction. This can be fixed by modifying the flags used in
mas_expected_entries() so that the compaction will be triggered in low
memory situations. Since mas_expected_entries() is only used during fork,
the extra argument does not need to be passed through.
Additionally, the two test_maple_tree test cases and one benchmark test
were altered to use the correct locking type so that allocations would not
trigger sleeping and thus fail. Testing was completed with lockdep atomic
sleep detection.
The additional locking change requires rwsem support additions to the
tools/ directory through the use of pthreads pthread_rwlock_t. With this
change test_maple_tree works in userspace, as a module, and in-kernel.
Users may notice that the system gave up early on attempting to start new
processes instead of attempting to reclaim memory.
Link: https://lkml.kernel.org/r/20230915093243epcms1p46fa00bbac1ab7b7dca94acb66c44c456@epcms1p4
Link: https://lkml.kernel.org/r/20231012155233.2272446-1-Liam.Howlett@oracle.com
Fixes: 54a611b60590 ("Maple Tree: add new data structure")
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
Reviewed-by: Peng Zhang <zhangpeng.00@bytedance.com>
Cc: <jason.sim@samsung.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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Definition for MREMAP_DONTUNMAP is not present in glibc older than 2.32
thus throwing an undeclared error when running make on mm. Including
linux/mman.h solves the build error for people having older glibc.
Link: https://lkml.kernel.org/r/20231012155257.891776-1-samasth.norway.ananda@oracle.com
Fixes: 0183d777c29a ("selftests: mm: remove duplicate unneeded defines")
Signed-off-by: Samasth Norway Ananda <samasth.norway.ananda@oracle.com>
Reported-by: Linux Kernel Functional Testing <lkft@linaro.org>
Closes: https://lore.kernel.org/linux-mm/CA+G9fYvV-71XqpCr_jhdDfEtN701fBdG3q+=bafaZiGwUXy_aA@mail.gmail.com/
Tested-by: Muhammad Usama Anjum <usama.anjum@collabora.com>
Cc: Shuah Khan <shuah@kernel.org>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
|
|
Don't mess with the host's firewall ruleset. Since audit logging is not
per-netns, add an initial delay of a second so other selftests' netns
cleanups have a chance to finish.
Fixes: e8dbde59ca3f ("selftests: netfilter: Test nf_tables audit logging")
Signed-off-by: Phil Sutter <phil@nwl.cc>
Signed-off-by: Florian Westphal <fw@strlen.de>
|
|
When resetting multiple objects at once (via dump request), emit a log
message per table (or filled skb) and resurrect the 'entries' parameter
to contain the number of objects being logged for.
To test the skb exhaustion path, perform some bulk counter and quota
adds in the kselftest.
Signed-off-by: Phil Sutter <phil@nwl.cc>
Reviewed-by: Richard Guy Briggs <rgb@redhat.com>
Acked-by: Paul Moore <paul@paul-moore.com> (Audit)
Signed-off-by: Florian Westphal <fw@strlen.de>
|
|
The abi_test currently uses a long sized test value for enablement
checks. On LE this works fine, however, on BE this results in inaccurate
assert checks due to a bit being used and assuming it's value is the
same on both LE and BE.
Use int type for 32-bit values and long type for 64-bit values to ensure
appropriate behavior on both LE and BE.
Fixes: 60b1af8de8c1 ("tracing/user_events: Add ABI self-test")
Signed-off-by: Beau Belgrave <beaub@linux.microsoft.com>
Acked-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
|
|
Pull kvm fixes from Paolo Bonzini:
"ARM:
- Fix the handling of the phycal timer offset when FEAT_ECV and
CNTPOFF_EL2 are implemented
- Restore the functionnality of Permission Indirection that was
broken by the Fine Grained Trapping rework
- Cleanup some PMU event sharing code
MIPS:
- Fix W=1 build
s390:
- One small fix for gisa to avoid stalls
x86:
- Truncate writes to PMU counters to the counter's width to avoid
spurious overflows when emulating counter events in software
- Set the LVTPC entry mask bit when handling a PMI (to match
Intel-defined architectural behavior)
- Treat KVM_REQ_PMI as a wake event instead of queueing host IRQ work
to kick the guest out of emulated halt
- Fix for loading XSAVE state from an old kernel into a new one
- Fixes for AMD AVIC
selftests:
- Play nice with %llx when formatting guest printf and assert
statements
- Clean up stale test metadata
- Zero-initialize structures in memslot perf test to workaround a
suspected 'may be used uninitialized' false positives from GCC"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (21 commits)
KVM: arm64: timers: Correctly handle TGE flip with CNTPOFF_EL2
KVM: arm64: POR{E0}_EL1 do not need trap handlers
KVM: arm64: Add nPIR{E0}_EL1 to HFG traps
KVM: MIPS: fix -Wunused-but-set-variable warning
KVM: arm64: pmu: Drop redundant check for non-NULL kvm_pmu_events
KVM: SVM: Fix build error when using -Werror=unused-but-set-variable
x86: KVM: SVM: refresh AVIC inhibition in svm_leave_nested()
x86: KVM: SVM: add support for Invalid IPI Vector interception
x86: KVM: SVM: always update the x2avic msr interception
KVM: selftests: Force load all supported XSAVE state in state test
KVM: selftests: Load XSAVE state into untouched vCPU during state test
KVM: selftests: Touch relevant XSAVE state in guest for state test
KVM: x86: Constrain guest-supported xfeatures only at KVM_GET_XSAVE{2}
x86/fpu: Allow caller to constrain xfeatures when copying to uabi buffer
KVM: selftests: Zero-initialize entire test_result in memslot perf test
KVM: selftests: Remove obsolete and incorrect test case metadata
KVM: selftests: Treat %llx like %lx when formatting guest printf
KVM: x86/pmu: Synthesize at most one PMI per VM-exit
KVM: x86: Mask LVTPC when handling a PMI
KVM: x86/pmu: Truncate counter value to allowed width on write
...
|
|
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
|
|
Fixes: 8bd2f71054bd ("virtio_ring: introduce dma sync api for virtqueue")
also add dma sync api for virtio test.
Signed-off-by: Liming Wu <liming.wu@jaguarmicro.com>
Message-Id: <20231008031734.1095-1-liming.wu@jaguarmicro.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
|
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The ct_tuple v4 data structure decode / encode routines were using
the v6 IP address decode and relying on default encode. This could
cause exceptions during encode / decode depending on how a ct4
tuple would appear in a netlink message.
Caught during code review.
Fixes: e52b07aa1a54 ("selftests: openvswitch: add flow dump support")
Signed-off-by: Aaron Conole <aconole@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
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Kernels that don't have support for openvswitch drop reasons also
won't have the drop counter reasons, so we should skip the test
completely. It previously wasn't possible to build a test case
for this without polluting the datapath, so we introduce a mechanism
to clear all the flows from a datapath allowing us to test for
explicit drop actions, and then clear the flows to build the
original test case.
Fixes: 4242029164d6 ("selftests: openvswitch: add explicit drop testcase")
Signed-off-by: Aaron Conole <aconole@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
In case of fatal signal, or early abort at least cleanup the current
test case.
Fixes: 25f16c873fb1 ("selftests: add openvswitch selftest suite")
Signed-off-by: Aaron Conole <aconole@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
Paolo Abeni reports that on some systems the pyroute2 version isn't
new enough to run the test suite. Ensure that we support a minimum
version of 0.6 for all cases (which does include the existing ones).
The 0.6.1 version was released in May of 2021, so should be
propagated to most installations at this point.
The alternative that Paolo proposed was to only skip when the
add-flow is being run. This would be okay for most cases, except
if a future test case is added that needs to do flow dump without
an associated add (just guessing). In that case, it could also be
broken and we would need additional skip logic anyway. Just draw
a line in the sand now.
Fixes: 25f16c873fb1 ("selftests: add openvswitch selftest suite")
Reported-by: Paolo Abeni <pabeni@redhat.com>
Closes: https://lore.kernel.org/lkml/8470c431e0930d2ea204a9363a60937289b7fdbe.camel@redhat.com/
Signed-off-by: Aaron Conole <aconole@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
into HEAD
KVM selftests fixes for 6.6:
- Play nice with %llx when formatting guest printf and assert statements.
- Clean up stale test metadata.
- Zero-initialize structures in memslot perf test to workaround a suspected
"may be used uninitialized" false positives from GCC.
|
|
Make sure that the command values used for replies are correct. This is
only affecting generated userspace helpers, no change on kernel code.
Fixes: 7199c86247e9 ("netlink: specs: devlink: add commands that do per-instance dump")
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Link: https://lore.kernel.org/r/20231012115811.298129-1-jiri@resnulli.us
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
|
The tests rely on the IPv{4,6} FIB trace points being triggered once for
each forwarded packet. If receive processing is deferred to the
ksoftirqd task these invocations will not be counted and the tests will
fail. Fix by specifying the '-a' flag to avoid perf from filtering on
the mausezahn task.
Before:
# ./fib_tests.sh -t ipv4_mpath_list
IPv4 multipath list receive tests
TEST: Multipath route hit ratio (.68) [FAIL]
# ./fib_tests.sh -t ipv6_mpath_list
IPv6 multipath list receive tests
TEST: Multipath route hit ratio (.27) [FAIL]
After:
# ./fib_tests.sh -t ipv4_mpath_list
IPv4 multipath list receive tests
TEST: Multipath route hit ratio (1.00) [ OK ]
# ./fib_tests.sh -t ipv6_mpath_list
IPv6 multipath list receive tests
TEST: Multipath route hit ratio (.99) [ OK ]
Fixes: 8ae9efb859c0 ("selftests: fib_tests: Add multipath list receive tests")
Reported-by: kernel test robot <oliver.sang@intel.com>
Closes: https://lore.kernel.org/netdev/202309191658.c00d8b8-oliver.sang@intel.com/
Tested-by: kernel test robot <oliver.sang@intel.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Tested-by: Sriram Yagnaraman <sriram.yagnaraman@est.tech>
Link: https://lore.kernel.org/r/20231010132113.3014691-3-idosch@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
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The test relies on the fib:fib_table_lookup trace point being triggered
once for each forwarded packet. If RP filter is not disabled, the trace
point will be triggered twice for each packet (for source validation and
forwarding), potentially masking actual bugs. Fix by explicitly
disabling RP filter.
Before:
# ./fib_tests.sh -t ipv4_mpath_list
IPv4 multipath list receive tests
TEST: Multipath route hit ratio (1.99) [ OK ]
After:
# ./fib_tests.sh -t ipv4_mpath_list
IPv4 multipath list receive tests
TEST: Multipath route hit ratio (.99) [ OK ]
Fixes: 8ae9efb859c0 ("selftests: fib_tests: Add multipath list receive tests")
Reported-by: kernel test robot <oliver.sang@intel.com>
Closes: https://lore.kernel.org/netdev/202309191658.c00d8b8-oliver.sang@intel.com/
Tested-by: kernel test robot <oliver.sang@intel.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Tested-by: Sriram Yagnaraman <sriram.yagnaraman@est.tech>
Link: https://lore.kernel.org/r/20231010132113.3014691-2-idosch@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
|
git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V fixes from Palmer Dabbelt:
- A handful of build fixes
- A fix to avoid mixing up user/kernel-mode breakpoints, which can
manifest as a hang when mixing k/uprobes with other breakpoint
sources
- A fix to avoid double-allocting crash kernel memory
- A fix for tracefs syscall name mangling, which was causing syscalls
not to show up in tracefs
- A fix to the perf driver to enable the hw events when selected, which
can trigger a BUG on some userspace access patterns
* tag 'riscv-for-linus-6.6-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
drivers: perf: Fix panic in riscv SBI mmap support
riscv: Fix ftrace syscall handling which are now prefixed with __riscv_
RISC-V: Fix wrong use of CONFIG_HAVE_SOFTIRQ_ON_OWN_STACK
riscv: kdump: fix crashkernel reserving problem on RISC-V
riscv: Remove duplicate objcopy flag
riscv: signal: fix sigaltstack frame size checking
riscv: errata: andes: Makefile: Fix randconfig build issue
riscv: Only consider swbp/ss handlers for correct privileged mode
riscv: kselftests: Fix mm build by removing testcases subdirectory
|
|
git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Paolo Abeni:
"Including fixes from CAN and BPF.
We have a regression in TC currently under investigation, otherwise
the things that stand off most are probably the TCP and AF_PACKET
fixes, with both issues coming from 6.5.
Previous releases - regressions:
- af_packet: fix fortified memcpy() without flex array.
- tcp: fix crashes trying to free half-baked MTU probes
- xdp: fix zero-size allocation warning in xskq_create()
- can: sja1000: always restart the tx queue after an overrun
- eth: mlx5e: again mutually exclude RX-FCS and RX-port-timestamp
- eth: nfp: avoid rmmod nfp crash issues
- eth: octeontx2-pf: fix page pool frag allocation warning
Previous releases - always broken:
- mctp: perform route lookups under a RCU read-side lock
- bpf: s390: fix clobbering the caller's backchain in the trampoline
- phy: lynx-28g: cancel the CDR check work item on the remove path
- dsa: qca8k: fix qca8k driver for Turris 1.x
- eth: ravb: fix use-after-free issue in ravb_tx_timeout_work()
- eth: ixgbe: fix crash with empty VF macvlan list"
* tag 'net-6.6-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (54 commits)
rswitch: Fix imbalance phy_power_off() calling
rswitch: Fix renesas_eth_sw_remove() implementation
octeontx2-pf: Fix page pool frag allocation warning
nfc: nci: assert requested protocol is valid
af_packet: Fix fortified memcpy() without flex array.
net: tcp: fix crashes trying to free half-baked MTU probes
net/smc: Fix pos miscalculation in statistics
nfp: flower: avoid rmmod nfp crash issues
net: usb: dm9601: fix uninitialized variable use in dm9601_mdio_read
ethtool: Fix mod state of verbose no_mask bitset
net: nfc: fix races in nfc_llcp_sock_get() and nfc_llcp_sock_get_sn()
mctp: perform route lookups under a RCU read-side lock
net: skbuff: fix kernel-doc typos
s390/bpf: Fix unwinding past the trampoline
s390/bpf: Fix clobbering the caller's backchain in the trampoline
net/mlx5e: Again mutually exclude RX-FCS and RX-port-timestamp
net/smc: Fix dependency of SMC on ISM
ixgbe: fix crash with empty VF macvlan list
net/mlx5e: macsec: use update_pn flag instead of PN comparation
net: phy: mscc: macsec: reject PN update requests
...
|
|
Otherwise the different instances of _start_c from each compilation unit
will lead to linker errors:
/usr/bin/ld: /tmp/ccSNvRqs.o: in function `_start_c':
nolibc-test-foo.c:(.text.nolibc_memset+0x9): multiple definition of `_start_c'; /tmp/ccG25101.o:nolibc-test.c:(.text+0x1ea3): first defined here
Fixes: 17336755150b ("tools/nolibc: add new crt.h with _start_c")
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Link: https://lore.kernel.org/lkml/20231012-nolibc-start_c-multiple-v1-1-fbfc73e0283f@weissschuh.net/
Link: https://lore.kernel.org/lkml/20231012-nolibc-linkage-test-v1-1-315e682768b4@weissschuh.net/
Acked-by: Willy Tarreau <w@1wt.eu>
|
|
The ABI mandates that the %esp register must be a multiple of 16 when
executing a 'call' instruction.
Commit 2ab446336b17 ("tools/nolibc: i386: shrink _start with _start_c")
simplified the _start function, but it didn't take care of the %esp
alignment, causing SIGSEGV on SSE and AVX programs that use aligned move
instruction (e.g., movdqa, movaps, and vmovdqa).
The 'and $-16, %esp' aligns the %esp at a multiple of 16. Then 'push
%eax' will subtract the %esp by 4; thus, it breaks the 16-byte
alignment. Make sure the %esp is correctly aligned after the push by
subtracting 12 before the push.
Extra:
Add 'add $12, %esp' before the 'and $-16, %esp' to avoid over-estimating
for particular cases as suggested by Willy.
A test program to validate the %esp alignment on _start can be found at:
https://lore.kernel.org/lkml/ZOoindMFj1UKqo+s@biznet-home.integral.gnuweeb.org
[ Thomas: trim Fixes tag commit id ]
Cc: Zhangjin Wu <falcon@tinylab.org>
Fixes: 2ab446336b17 ("tools/nolibc: i386: shrink _start with _start_c")
Reported-by: Nicholas Rosenberg <inori@vnlx.org>
Acked-by: Thomas Weißschuh <linux@weissschuh.net>
Signed-off-by: Ammar Faizi <ammarfaizi2@gnuweeb.org>
Reviewed-by: Alviro Iskandar Setiawan <alviro.iskandar@gnuweeb.org>
Signed-off-by: Willy Tarreau <w@1wt.eu>
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
|
|
Extend x86's state to forcefully load *all* host-supported xfeatures by
modifying xstate_bv in the saved state. Stuffing xstate_bv ensures that
the selftest is verifying KVM's full ABI regardless of whether or not the
guest code is successful in getting various xfeatures out of their INIT
state, e.g. see the disaster that is/was MPX.
Signed-off-by: Sean Christopherson <seanjc@google.com>
Message-Id: <20230928001956.924301-6-seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
|
|
Expand x86's state test to load XSAVE state into a "dummy" vCPU prior to
KVM_SET_CPUID2, and again with an empty guest CPUID model. Except for
off-by-default features, i.e. AMX, KVM's ABI for KVM_SET_XSAVE is that
userspace is allowed to load xfeatures so long as they are supported by
the host. This is a regression test for a combination of KVM bugs where
the state saved by KVM_GET_XSAVE{2} could not be loaded via KVM_SET_XSAVE
if the saved xstate_bv would load guest-unsupported xfeatures.
Signed-off-by: Sean Christopherson <seanjc@google.com>
Message-Id: <20230928001956.924301-5-seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
|
|
Modify support XSAVE state in the "state test's" guest code so that saving
and loading state via KVM_{G,S}ET_XSAVE actually does something useful,
i.e. so that xstate_bv in XSAVE state isn't empty.
Punt on BNDCSR for now, it's easier to just stuff that xfeature from the
host side.
Signed-off-by: Sean Christopherson <seanjc@google.com>
Message-Id: <20230928001956.924301-4-seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
|
|
git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux
Pull hyperv fixes from Wei Liu:
- fixes for Hyper-V VTL code (Saurabh Sengar and Olaf Hering)
- fix hv_kvp_daemon to support keyfile based connection profile
(Shradha Gupta)
* tag 'hyperv-fixes-signed-20231009' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux:
hv/hv_kvp_daemon:Support for keyfile based connection profile
hyperv: reduce size of ms_hyperv_info
x86/hyperv: Add common print prefix "Hyper-V" in hv_init
x86/hyperv: Remove hv_vtl_early_init initcall
x86/hyperv: Restrict get_vtl to only VTL platforms
|
|
Ifcfg config file support in NetworkManger is deprecated. This patch
provides support for the new keyfile config format for connection
profiles in NetworkManager. The patch modifies the hv_kvp_daemon code
to generate the new network configuration in keyfile
format(.ini-style format) along with a ifcfg format configuration.
The ifcfg format configuration is also retained to support easy
backward compatibility for distro vendors. These configurations are
stored in temp files which are further translated using the
hv_set_ifconfig.sh script. This script is implemented by individual
distros based on the network management commands supported.
For example, RHEL's implementation could be found here:
https://gitlab.com/redhat/centos-stream/src/hyperv-daemons/-/blob/c9s/hv_set_ifconfig.sh
Debian's implementation could be found here:
https://github.com/endlessm/linux/blob/master/debian/cloud-tools/hv_set_ifconfig
The next part of this support is to let the Distro vendors consume
these modified implementations to the new configuration format.
Tested-on: Rhel9(Hyper-V, Azure)(nm and ifcfg files verified)
Signed-off-by: Shradha Gupta <shradhagupta@linux.microsoft.com>
Reviewed-by: Saurabh Sengar <ssengar@linux.microsoft.com>
Reviewed-by: Ani Sinha <anisinha@redhat.com>
Signed-off-by: Wei Liu <wei.liu@kernel.org>
Link: https://lore.kernel.org/r/1696847920-31125-1-git-send-email-shradhagupta@linux.microsoft.com
|
|
A previous commit updated the verifier to print an accurate failure
message for when someone specifies a nonzero return value from an async
callback. This adds a testcase for validating that the verifier emits
the correct message in such a case.
Signed-off-by: David Vernet <void@manifault.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20231009161414.235829-2-void@manifault.com
|
|
Martin reported that on his local dev machine the test_tc_chain_mixed() fails as
"test_tc_chain_mixed:FAIL:seen_tc5 unexpected seen_tc5: actual 1 != expected 0"
and others occasionally, too.
However, when running in a more isolated setup (qemu in particular), it works fine
for him. The reason is that there is a small race-window where seen_tc* could turn
into true for various test cases when there is background traffic, e.g. after the
asserts they often get reset. In such case when subsequent detach takes place,
unrelated background traffic could have already flipped the bool to true beforehand.
Add a small helper tc_skel_reset_all_seen() to reset all bools before we do the ping
test. At this point, everything is set up as expected and therefore no race can occur.
All tc_{opts,links} tests continue to pass after this change.
Reported-by: Martin KaFai Lau <martin.lau@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/r/20231006220655.1653-7-daniel@iogearbox.net
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
|
|
Add a new test case to query on an empty bpf_mprog and pass the revision
directly into expected_revision for attachment to assert that this does
succeed.
./test_progs -t tc_opts
[ 1.406778] tsc: Refined TSC clocksource calibration: 3407.990 MHz
[ 1.408863] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x311fcaf6eb0, max_idle_ns: 440795321766 ns
[ 1.412419] clocksource: Switched to clocksource tsc
[ 1.428671] bpf_testmod: loading out-of-tree module taints kernel.
[ 1.430260] bpf_testmod: module verification failed: signature and/or required key missing - tainting kernel
#252 tc_opts_after:OK
#253 tc_opts_append:OK
#254 tc_opts_basic:OK
#255 tc_opts_before:OK
#256 tc_opts_chain_classic:OK
#257 tc_opts_chain_mixed:OK
#258 tc_opts_delete_empty:OK
#259 tc_opts_demixed:OK
#260 tc_opts_detach:OK
#261 tc_opts_detach_after:OK
#262 tc_opts_detach_before:OK
#263 tc_opts_dev_cleanup:OK
#264 tc_opts_invalid:OK
#265 tc_opts_max:OK
#266 tc_opts_mixed:OK
#267 tc_opts_prepend:OK
#268 tc_opts_query:OK
#269 tc_opts_query_attach:OK <--- (new test)
#270 tc_opts_replace:OK
#271 tc_opts_revision:OK
Summary: 20/0 PASSED, 0 SKIPPED, 0 FAILED
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/r/20231006220655.1653-6-daniel@iogearbox.net
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
|
|
Simplify __assert_mprog_count() to remove the -ENOENT corner case as the
bpf_prog_query() now returns 0 when no bpf_mprog is attached. This also
allows to convert a few test cases from using raw __assert_mprog_count()
over to plain assert_mprog_count() helper.
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/r/20231006220655.1653-5-daniel@iogearbox.net
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
|
|
Add a new test case which performs double query of the bpf_mprog through
libbpf API, but also via raw bpf(2) syscall. This is testing to gather
first the count and then in a subsequent probe the full information with
the program array without clearing passed structs in between.
# ./vmtest.sh -- ./test_progs -t tc_opts
[...]
./test_progs -t tc_opts
[ 1.398818] tsc: Refined TSC clocksource calibration: 3407.999 MHz
[ 1.400263] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x311fd336761, max_idle_ns: 440795243819 ns
[ 1.402734] clocksource: Switched to clocksource tsc
[ 1.426639] bpf_testmod: loading out-of-tree module taints kernel.
[ 1.428112] bpf_testmod: module verification failed: signature and/or required key missing - tainting kernel
#252 tc_opts_after:OK
#253 tc_opts_append:OK
#254 tc_opts_basic:OK
#255 tc_opts_before:OK
#256 tc_opts_chain_classic:OK
#257 tc_opts_chain_mixed:OK
#258 tc_opts_delete_empty:OK
#259 tc_opts_demixed:OK
#260 tc_opts_detach:OK
#261 tc_opts_detach_after:OK
#262 tc_opts_detach_before:OK
#263 tc_opts_dev_cleanup:OK
#264 tc_opts_invalid:OK
#265 tc_opts_max:OK
#266 tc_opts_mixed:OK
#267 tc_opts_prepend:OK
#268 tc_opts_query:OK <--- (new test)
#269 tc_opts_replace:OK
#270 tc_opts_revision:OK
Summary: 19/0 PASSED, 0 SKIPPED, 0 FAILED
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/r/20231006220655.1653-4-daniel@iogearbox.net
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
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