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Kirill A. Shutemov 140f05cbbf x86/insn: Fix CTEST instruction decoding 
commit 85fd85bc02 upstream.

insn_decoder_test found a problem with decoding APX CTEST instructions:

	Found an x86 instruction decoder bug, please report this.
	ffffffff810021df	62 54 94 05 85 ff    	ctestneq
	objdump says 6 bytes, but insn_get_length() says 5

It happens because x86-opcode-map.txt doesn't specify arguments for the
instruction and the decoder doesn't expect to see ModRM byte.

Fixes: 690ca3a306 ("x86/insn: Add support for APX EVEX instructions to the opcode map")
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: stable@vger.kernel.org # v6.10+
Link: https://lore.kernel.org/r/20250423065815.2003231-1-kirill.shutemov@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
History 2025-05-02 07:59:07 +02:00
..
accounting delayacct: track delays from IRQ/SOFTIRQ 2023-04-18 16:39:34 -07:00
arch x86/insn: Fix CTEST instruction decoding 2025-05-02 07:59:07 +02:00
bootconfig tools/bootconfig: Fix the wrong format specifier 2025-02-08 09:58:00 +01:00
bpf bpftool: fix potential NULL pointer dereferencing in prog_dump() 2024-12-14 20:03:14 +01:00
build perf build: Fix build feature-dwarf_getlocations fail for old libdw 2024-10-02 18:21:49 -03:00
certs tools/certs: Add print-cert-tbs-hash.sh 2022-05-23 18:47:49 +03:00
cgroup proc: rewrite stable_page_flags() 2024-04-25 20:56:15 -07:00
counter tools/counter: Remove unneeded semicolon 2023-12-20 11:43:31 -05:00
crypto crypto: tools/ccp - Remove unused variable 2024-08-30 18:22:30 +08:00
debugging tools: Add new "test" taint to kernel-chktaint 2022-09-07 14:51:12 -06:00
firewire treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
firmware Driver Core and debugfs changes for 5.3-rc1 2019-07-12 12:24:03 -07:00
gpio gpio: sloppy-logic-analyzer remove reference to rcu_momentary_dyntick_idle() 2024-12-05 14:01:28 +01:00
hv tools: hv: Fix a complier warning in the fcopy uio daemon 2024-12-27 14:02:15 +01:00
iio tools: iio: rm .*.cmd when make clean 2024-09-05 19:27:13 +01:00
include tools: Sync if_xdp.h uapi tooling header 2025-02-08 09:57:34 +01:00
kvm/kvm_stat tools/kvm_stat: use canonical ftrace path 2023-03-29 06:52:08 -04:00
laptop change email address for Pali Rohár 2020-04-10 15:36:22 -07:00
leds .gitignore: add SPDX License Identifier 2020-03-25 11:50:48 +01:00
lib libbpf: Prevent compiler warnings/errors 2025-04-20 10:16:01 +02:00
memory-model tools/memory-model: simple.txt: Fix stale reference to recipes-pairs.txt 2024-09-13 23:56:44 -07:00
mm tools/mm: fix compile error 2024-11-14 22:43:48 -08:00
net tools: ynl: c: correct reverse decode of empty attrs 2025-02-08 09:58:05 +01:00
objtool objtool/rust: add one more noreturn Rust function for Rust 1.86.0 2025-04-25 10:47:48 +02:00
pci tools: PCI: Remove unused BILLION macro 2024-09-13 22:37:06 +00:00
pcmcia .gitignore: add SPDX License Identifier 2020-03-25 11:50:48 +01:00
perf perf bpf-filter: Fix a parsing error with comma 2025-04-10 14:39:26 +02:00
power pm: cpupower: bench: Prevent NULL dereference on malloc failure 2025-04-20 10:15:10 +02:00
rcu tools/rcu: Remove RCU Tasks Rude asynchronous APIs from rcu-updaters.sh 2024-07-29 07:39:32 +05:30
sched_ext tools/sched_ext: Add helper to check task migration state 2025-03-22 12:54:28 -07:00
scripts tools: Override makefile ARCH variable if defined, but empty 2024-12-14 20:03:15 +01:00
sound ASoC: dapm-graph: set fill colour of turned on nodes 2025-03-22 12:54:20 -07:00
spi spi: spidev_fdx: Fix the wrong format specifier 2024-09-04 16:50:33 +01:00
testing selftests/bpf: extend changes_pkt_data with cases w/o subprograms 2025-04-25 10:48:08 +02:00
thermal tools/thermal/tmon: Fix compilation warning for wrong format 2024-01-02 09:33:19 +01:00
time treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 282 2019-06-05 17:36:37 +02:00
tracing rtla/timerlat_top: Abort event processing on second signal 2025-02-21 14:01:25 +01:00
usb usbip: tools: Fix detach_port() invalid port error path 2024-10-29 04:23:23 +01:00
verification verification/dot2: Improve dot parser robustness 2024-12-14 20:04:03 +01:00
virtio Fix typo in vringh_test.c 2024-11-06 04:40:07 -05:00
wmi treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
workqueue workqueue: remove unnecessary import and function in wq_monitor.py 2024-03-25 10:11:32 -10:00
writeback writeback: add wb_monitor.py script to monitor writeback info on bdi 2024-05-05 17:53:51 -07:00
Makefile sched_ext: Add scx_simple and scx_example_qmap example schedulers 2024-06-18 10:09:17 -10:00