5.10.131-rc2 review
Greg Kroah-Hartman
maintainercover 5.10.131-rc2 review
This is the start of the stable review cycle for the 5.10.131 release. There are 131 patches in this series, all will be posted as a response to this one. If anyone has any issues with these being applied, please let me know.
Responses should be made by Fri, 15 Jul 2022 09:47:55 +0000. Anything received after that time might be too late.
The whole patch series can be found in one patch at:
https://www.kernel.org/pub/linux/kernel/v5.x/stable-review/patch-5.10.131-rc2.gz
or in the git tree and branch at:
git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-5.10.y
and the diffstat can be found below.
thanks,
greg k-h
-------------
Pseudo-Shortlog of commits:
Greg Kroah-Hartman <[email protected]>
Linux 5.10.131-rc2
Borislav Petkov <[email protected]>
tools/insn: Restore the relative include paths for cross building
Thomas Gleixner <[email protected]>
x86/static_call: Serialize __static_call_fixup() properly
Pawan Gupta <[email protected]>
x86/speculation: Disable RRSBA behavior
Konrad Rzeszutek Wilk <[email protected]>
x86/kexec: Disable RET on kexec
Thadeu Lima de Souza Cascardo <[email protected]>
x86/bugs: Do not enable IBPB-on-entry when IBPB is not supported
Pawan Gupta <[email protected]>
x86/bugs: Add Cannon lake to RETBleed affected CPU list
Peter Zijlstra <[email protected]>
x86/retbleed: Add fine grained Kconfig knobs
Andrew Cooper <[email protected]>
x86/cpu/amd: Enumerate BTC_NO
Peter Zijlstra <[email protected]>
x86/common: Stamp out the stepping madness
Josh Poimboeuf <[email protected]>
x86/speculation: Fill RSB on vmexit for IBRS
Josh Poimboeuf <[email protected]>
KVM: VMX: Fix IBRS handling after vmexit
Josh Poimboeuf <[email protected]>
KVM: VMX: Prevent guest RSB poisoning attacks with eIBRS
Josh Poimboeuf <[email protected]>
KVM: VMX: Convert launched argument to flags
Josh Poimboeuf <[email protected]>
KVM: VMX: Flatten __vmx_vcpu_run()
Josh Poimboeuf <[email protected]>
objtool: Re-add UNWIND_HINT_{SAVE_RESTORE}Josh Poimboeuf <[email protected]>
x86/speculation: Remove x86_spec_ctrl_mask
Josh Poimboeuf <[email protected]>
x86/speculation: Use cached host SPEC_CTRL value for guest entry/exit
Josh Poimboeuf <[email protected]>
x86/speculation: Fix SPEC_CTRL write on SMT state change
Josh Poimboeuf <[email protected]>
x86/speculation: Fix firmware entry SPEC_CTRL handling
Josh Poimboeuf <[email protected]>
x86/speculation: Fix RSB filling with CONFIG_RETPOLINE=n
Peter Zijlstra <[email protected]>
x86/cpu/amd: Add Spectral Chicken
Peter Zijlstra <[email protected]>
objtool: Add entry UNRET validation
Josh Poimboeuf <[email protected]>
x86/bugs: Do IBPB fallback check only once
Peter Zijlstra <[email protected]>
x86/bugs: Add retbleed=ibpb
Peter Zijlstra <[email protected]>
x86/xen: Rename SYS* entry points
Peter Zijlstra <[email protected]>
objtool: Update Retpoline validation
Peter Zijlstra <[email protected]>
intel_idle: Disable IBRS during long idle
Peter Zijlstra <[email protected]>
x86/bugs: Report Intel retbleed vulnerability
Peter Zijlstra <[email protected]>
x86/bugs: Split spectre_v2_select_mitigation() and spectre_v2_user_select_mitigation()
Pawan Gupta <[email protected]>
x86/speculation: Add spectre_v2=ibrs option to support Kernel IBRS
Peter Zijlstra <[email protected]>
x86/bugs: Optimize SPEC_CTRL MSR writes
Peter Zijlstra <[email protected]>
x86/entry: Add kernel IBRS implementation
Peter Zijlstra <[email protected]>
x86/bugs: Keep a per-CPU IA32_SPEC_CTRL value
Kim Phillips <[email protected]>
x86/bugs: Enable STIBP for JMP2RET
Alexandre Chartre <[email protected]>
x86/bugs: Add AMD retbleed= boot parameter
Alexandre Chartre <[email protected]>
x86/bugs: Report AMD retbleed vulnerability
Peter Zijlstra <[email protected]>
x86: Add magic AMD return-thunk
Peter Zijlstra <[email protected]>
objtool: Treat .text.__x86.* as noinstr
Peter Zijlstra <[email protected]>
x86: Use return-thunk in asm code
Kim Phillips <[email protected]>
x86/sev: Avoid using __x86_return_thunk
Peter Zijlstra <[email protected]>
x86/vsyscall_emu/64: Don't use RET in vsyscall emulation
Peter Zijlstra <[email protected]>
x86/kvm: Fix SETcc emulation for return thunks
Peter Zijlstra <[email protected]>
x86/bpf: Use alternative RET encoding
Peter Zijlstra <[email protected]>
x86/ftrace: Use alternative RET encoding
Peter Zijlstra <[email protected]>
x86,static_call: Use alternative RET encoding
Thadeu Lima de Souza Cascardo <[email protected]>
objtool: skip non-text sections when adding return-thunk sites
Peter Zijlstra <[email protected]>
x86,objtool: Create .return_sites
Peter Zijlstra <[email protected]>
x86: Undo return-thunk damage
Peter Zijlstra <[email protected]>
x86/retpoline: Use -mfunction-return
Ben Hutchings <[email protected]>
Makefile: Set retpoline cflags based on CONFIG_CC_IS_{CLANG,GCC}Peter Zijlstra <[email protected]>
x86/retpoline: Swizzle retpoline thunk
Peter Zijlstra <[email protected]>
x86/retpoline: Cleanup some #ifdefery
Peter Zijlstra <[email protected]>
x86/cpufeatures: Move RETPOLINE flags to word 11
Peter Zijlstra <[email protected]>
x86/kvm/vmx: Make noinstr clean
Thadeu Lima de Souza Cascardo <[email protected]>
x86/realmode: build with -D__DISABLE_EXPORTS
Mikulas Patocka <[email protected]>
objtool: Fix objtool regression on x32 systems
Peter Zijlstra <[email protected]>
x86/entry: Remove skip_r11rcx
Peter Zijlstra <[email protected]>
objtool: Fix symbol creation
Peter Zijlstra <[email protected]>
objtool: Fix type of reloc::addend
Peter Zijlstra <[email protected]>
objtool: Fix code relocs vs weak symbols
Peter Zijlstra <[email protected]>
objtool: Fix SLS validation for kcov tail-call replacement
Peter Zijlstra <[email protected]>
crypto: x86/poly1305 - Fixup SLS
Peter Zijlstra <[email protected]>
objtool: Default ignore INT3 for unreachable
Borislav Petkov <[email protected]>
kvm/emulate: Fix SETcc emulation function offsets with SLS
Arnaldo Carvalho de Melo <[email protected]>
tools arch: Update arch/x86/lib/mem{cpy,set}_64.S copies used in 'perf bench mem memcpy'
Peter Zijlstra <[email protected]>
x86: Add straight-line-speculation mitigation
Peter Zijlstra <[email protected]>
objtool: Add straight-line-speculation validation
Peter Zijlstra <[email protected]>
x86/alternative: Relax text_poke_bp() constraint
Peter Zijlstra <[email protected]>
x86: Prepare inline-asm for straight-line-speculation
Peter Zijlstra <[email protected]>
x86: Prepare asm files for straight-line-speculation
Peter Zijlstra <[email protected]>
x86/lib/atomic64_386_32: Rename things
Peter Zijlstra <[email protected]>
bpf,x86: Respect X86_FEATURE_RETPOLINE*
Peter Zijlstra <[email protected]>
bpf,x86: Simplify computing label offsets
Peter Zijlstra <[email protected]>
x86/alternative: Add debug prints to apply_retpolines()
Peter Zijlstra <[email protected]>
x86/alternative: Try inline spectre_v2=retpoline,amd
Peter Zijlstra <[email protected]>
x86/alternative: Handle Jcc __x86_indirect_thunk_\reg
Peter Zijlstra <[email protected]>
x86/alternative: Implement .retpoline_sites support
Peter Zijlstra <[email protected]>
x86/retpoline: Create a retpoline thunk array
Peter Zijlstra <[email protected]>
x86/retpoline: Move the retpoline thunk declarations to nospec-branch.h
Peter Zijlstra <[email protected]>
x86/asm: Fixup odd GEN-for-each-reg.h usage
Peter Zijlstra <[email protected]>
x86/asm: Fix register order
Peter Zijlstra <[email protected]>
x86/retpoline: Remove unused replacement symbols
Peter Zijlstra <[email protected]>
objtool,x86: Replace alternatives with .retpoline_sites
Peter Zijlstra <[email protected]>
objtool: Explicitly avoid self modifying code in .altinstr_replacement
Peter Zijlstra <[email protected]>
objtool: Classify symbols
Peter Zijlstra <[email protected]>
objtool: Handle __sanitize_cov*() tail calls
Peter Zijlstra <[email protected]>
objtool: Introduce CFI hash
Joe Lawrence <[email protected]>
objtool: Make .altinstructions section entry size consistent
Josh Poimboeuf <[email protected]>
objtool: Remove reloc symbol type checks in get_alt_entry()
Linus Torvalds <[email protected]>
objtool: print out the symbol type when complaining about it
Peter Zijlstra <[email protected]>
objtool: Teach get_alt_entry() about more relocation types
Josh Poimboeuf <[email protected]>
objtool: Don't make .altinstructions writable
Peter Zijlstra <[email protected]>
objtool/x86: Ignore __x86_indirect_alt_* symbols
Peter Zijlstra <[email protected]>
objtool: Only rewrite unconditional retpoline thunk calls
Peter Zijlstra <[email protected]>
objtool: Fix .symtab_shndx handling for elf_create_undef_symbol()
Borislav Petkov <[email protected]>
x86/alternative: Optimize single-byte NOPs at an arbitrary position
Josh Poimboeuf <[email protected]>
objtool: Support asm jump tables
Peter Zijlstra <[email protected]>
objtool/x86: Rewrite retpoline thunk calls
Peter Zijlstra <[email protected]>
objtool: Skip magical retpoline .altinstr_replacement
Peter Zijlstra <[email protected]>
objtool: Cache instruction relocs
Peter Zijlstra <[email protected]>
objtool: Keep track of retpoline call sites
Peter Zijlstra <[email protected]>
objtool: Add elf_create_undef_symbol()
Peter Zijlstra <[email protected]>
objtool: Extract elf_symbol_add()
Peter Zijlstra <[email protected]>
objtool: Extract elf_strtab_concat()
Peter Zijlstra <[email protected]>
objtool: Create reloc sections implicitly
Peter Zijlstra <[email protected]>
objtool: Add elf_create_reloc() helper
Peter Zijlstra <[email protected]>
objtool: Rework the elf_rebuild_reloc_section() logic
Peter Zijlstra <[email protected]>
objtool: Handle per arch retpoline naming
Peter Zijlstra <[email protected]>
objtool: Correctly handle retpoline thunk calls
Peter Zijlstra <[email protected]>
x86/retpoline: Simplify retpolines
Peter Zijlstra <[email protected]>
x86/alternatives: Optimize optimize_nops()
Ben Hutchings <[email protected]>
x86: Add insn_decode_kernel()
Borislav Petkov <[email protected]>
x86/alternative: Use insn_decode()
Borislav Petkov <[email protected]>
x86/insn-eval: Handle return values from the decoder
Borislav Petkov <[email protected]>
x86/insn: Add an insn_decode() API
Borislav Petkov <[email protected]>
x86/insn: Add a __ignore_sync_check__ marker
Borislav Petkov <[email protected]>
x86/insn: Rename insn_decode() to insn_decode_from_regs()
Juergen Gross <[email protected]>
x86/alternative: Use ALTERNATIVE_TERNARY() in _static_cpu_has()
Juergen Gross <[email protected]>
x86/alternative: Support ALTERNATIVE_TERNARY
Juergen Gross <[email protected]>
x86/alternative: Support not-feature
Juergen Gross <[email protected]>
x86/alternative: Merge include files
Josh Poimboeuf <[email protected]>
x86/xen: Support objtool vmlinux.o validation in xen-head.S
Josh Poimboeuf <[email protected]>
x86/xen: Support objtool validation in xen-asm.S
Josh Poimboeuf <[email protected]>
objtool: Combine UNWIND_HINT_RET_OFFSET and UNWIND_HINT_FUNC
Josh Poimboeuf <[email protected]>
objtool: Assume only ELF functions do sibling calls
Josh Poimboeuf <[email protected]>
objtool: Support retpoline jump detection for vmlinux.o
Josh Poimboeuf <[email protected]>
objtool: Support stack layout changes in alternatives
Josh Poimboeuf <[email protected]>
objtool: Add 'alt_group' struct
Josh Poimboeuf <[email protected]>
objtool: Refactor ORC section generation
Uros Bizjak <[email protected]>
KVM/nVMX: Use __vmx_vcpu_run in nested_vmx_check_vmentry_hw
Uros Bizjak <[email protected]>
KVM/VMX: Use TEST %REG,%REG instead of CMP $0,%REG in vmenter.S
-------------
Diffstat:
Documentation/admin-guide/kernel-parameters.txt | 25 + Makefile | 24 +- arch/um/kernel/um_arch.c | 4 + arch/x86/Kconfig | 91 +- arch/x86/Makefile | 8 +- arch/x86/boot/compressed/efi_thunk_64.S | 2 +- arch/x86/boot/compressed/head_64.S | 4 +- arch/x86/boot/compressed/mem_encrypt.S | 4 +- arch/x86/crypto/aegis128-aesni-asm.S | 48 +- arch/x86/crypto/aes_ctrby8_avx-x86_64.S | 2 +- arch/x86/crypto/aesni-intel_asm.S | 52 +- arch/x86/crypto/aesni-intel_avx-x86_64.S | 40 +- arch/x86/crypto/blake2s-core.S | 4 +- arch/x86/crypto/blowfish-x86_64-asm_64.S | 12 +- arch/x86/crypto/camellia-aesni-avx-asm_64.S | 18 +- arch/x86/crypto/camellia-aesni-avx2-asm_64.S | 18 +- arch/x86/crypto/camellia-x86_64-asm_64.S | 12 +- arch/x86/crypto/cast5-avx-x86_64-asm_64.S | 12 +- arch/x86/crypto/cast6-avx-x86_64-asm_64.S | 16 +- arch/x86/crypto/chacha-avx2-x86_64.S | 6 +- arch/x86/crypto/chacha-avx512vl-x86_64.S | 6 +- arch/x86/crypto/chacha-ssse3-x86_64.S | 8 +- arch/x86/crypto/crc32-pclmul_asm.S | 2 +- arch/x86/crypto/crc32c-pcl-intel-asm_64.S | 2 +- arch/x86/crypto/crct10dif-pcl-asm_64.S | 2 +- arch/x86/crypto/des3_ede-asm_64.S | 4 +- arch/x86/crypto/ghash-clmulni-intel_asm.S | 6 +- arch/x86/crypto/nh-avx2-x86_64.S | 2 +- arch/x86/crypto/nh-sse2-x86_64.S | 2 +- arch/x86/crypto/poly1305-x86_64-cryptogams.pl | 38 +- arch/x86/crypto/serpent-avx-x86_64-asm_64.S | 16 +- arch/x86/crypto/serpent-avx2-asm_64.S | 16 +- arch/x86/crypto/serpent-sse2-i586-asm_32.S | 6 +- arch/x86/crypto/serpent-sse2-x86_64-asm_64.S | 6 +- arch/x86/crypto/sha1_avx2_x86_64_asm.S | 2 +- arch/x86/crypto/sha1_ni_asm.S | 2 +- arch/x86/crypto/sha1_ssse3_asm.S | 2 +- arch/x86/crypto/sha256-avx-asm.S | 2 +- arch/x86/crypto/sha256-avx2-asm.S | 2 +- arch/x86/crypto/sha256-ssse3-asm.S | 2 +- arch/x86/crypto/sha256_ni_asm.S | 2 +- arch/x86/crypto/sha512-avx-asm.S | 2 +- arch/x86/crypto/sha512-avx2-asm.S | 2 +- arch/x86/crypto/sha512-ssse3-asm.S | 2 +- arch/x86/crypto/twofish-avx-x86_64-asm_64.S | 16 +- arch/x86/crypto/twofish-i586-asm_32.S | 4 +- arch/x86/crypto/twofish-x86_64-asm_64-3way.S | 6 +- arch/x86/crypto/twofish-x86_64-asm_64.S | 4 +- arch/x86/entry/Makefile | 2 +- arch/x86/entry/calling.h | 72 +- arch/x86/entry/entry.S | 22 + arch/x86/entry/entry_32.S | 6 +- arch/x86/entry/entry_64.S | 62 +- arch/x86/entry/entry_64_compat.S | 21 +- arch/x86/entry/thunk_32.S | 2 +- arch/x86/entry/thunk_64.S | 2 +- arch/x86/entry/vdso/Makefile | 1 + arch/x86/entry/vdso/vdso32/system_call.S | 4 +- arch/x86/entry/vsyscall/vsyscall_emu_64.S | 3 + arch/x86/include/asm/GEN-for-each-reg.h | 14 +- arch/x86/include/asm/alternative-asm.h | 114 --- arch/x86/include/asm/alternative.h | 137 ++- arch/x86/include/asm/asm-prototypes.h | 17 - arch/x86/include/asm/cpufeature.h | 41 +- arch/x86/include/asm/cpufeatures.h | 14 +- arch/x86/include/asm/disabled-features.h | 21 +- arch/x86/include/asm/inat.h | 2 +- arch/x86/include/asm/insn-eval.h | 4 +- arch/x86/include/asm/insn.h | 28 +- arch/x86/include/asm/linkage.h | 22 + arch/x86/include/asm/msr-index.h | 13 + arch/x86/include/asm/nospec-branch.h | 140 +-- arch/x86/include/asm/paravirt.h | 2 +- arch/x86/include/asm/qspinlock_paravirt.h | 4 +- arch/x86/include/asm/smap.h | 5 +- arch/x86/include/asm/static_call.h | 19 +- arch/x86/include/asm/unwind_hints.h | 23 +- arch/x86/kernel/acpi/wakeup_32.S | 6 +- arch/x86/kernel/alternative.c | 406 +++++++- arch/x86/kernel/cpu/amd.c | 46 +- arch/x86/kernel/cpu/bugs.c | 475 +++++++-- arch/x86/kernel/cpu/common.c | 61 +- arch/x86/kernel/cpu/cpu.h | 2 + arch/x86/kernel/cpu/hygon.c | 6 + arch/x86/kernel/cpu/scattered.c | 1 + arch/x86/kernel/ftrace.c | 7 +- arch/x86/kernel/ftrace_32.S | 6 +- arch/x86/kernel/ftrace_64.S | 12 +- arch/x86/kernel/head_32.S | 2 +- arch/x86/kernel/head_64.S | 5 + arch/x86/kernel/irqflags.S | 4 +- arch/x86/kernel/kprobes/core.c | 2 +- arch/x86/kernel/module.c | 15 +- arch/x86/kernel/paravirt.c | 2 +- arch/x86/kernel/process.c | 2 +- arch/x86/kernel/relocate_kernel_32.S | 15 +- arch/x86/kernel/relocate_kernel_64.S | 13 +- arch/x86/kernel/sev-es.c | 2 +- arch/x86/kernel/sev_verify_cbit.S | 2 +- arch/x86/kernel/static_call.c | 52 +- arch/x86/kernel/umip.c | 2 +- arch/x86/kernel/verify_cpu.S | 4 +- arch/x86/kernel/vmlinux.lds.S | 23 +- arch/x86/kvm/emulate.c | 33 +- arch/x86/kvm/svm/vmenter.S | 11 +- arch/x86/kvm/vmx/nested.c | 32 +- arch/x86/kvm/vmx/run_flags.h | 8 + arch/x86/kvm/vmx/vmenter.S | 170 ++-- arch/x86/kvm/vmx/vmx.c | 78 +- arch/x86/kvm/vmx/vmx.h | 5 + arch/x86/kvm/x86.c | 4 +- arch/x86/lib/atomic64_386_32.S | 88 +- arch/x86/lib/atomic64_cx8_32.S | 18 +- arch/x86/lib/checksum_32.S | 8 +- arch/x86/lib/clear_page_64.S | 6 +- arch/x86/lib/cmpxchg16b_emu.S | 4 +- arch/x86/lib/cmpxchg8b_emu.S | 4 +- arch/x86/lib/copy_mc_64.S | 6 +- arch/x86/lib/copy_page_64.S | 6 +- arch/x86/lib/copy_user_64.S | 14 +- arch/x86/lib/csum-copy_64.S | 2 +- arch/x86/lib/error-inject.c | 3 +- arch/x86/lib/getuser.S | 22 +- arch/x86/lib/hweight.S | 6 +- arch/x86/lib/inat.c | 2 +- arch/x86/lib/insn-eval.c | 40 +- arch/x86/lib/insn.c | 222 ++++- arch/x86/lib/iomap_copy_64.S | 2 +- arch/x86/lib/memcpy_64.S | 14 +- arch/x86/lib/memmove_64.S | 11 +- arch/x86/lib/memset_64.S | 8 +- arch/x86/lib/msr-reg.S | 4 +- arch/x86/lib/putuser.S | 6 +- arch/x86/lib/retpoline.S | 118 ++- arch/x86/math-emu/div_Xsig.S | 2 +- arch/x86/math-emu/div_small.S | 2 +- arch/x86/math-emu/mul_Xsig.S | 6 +- arch/x86/math-emu/polynom_Xsig.S | 2 +- arch/x86/math-emu/reg_norm.S | 6 +- arch/x86/math-emu/reg_round.S | 2 +- arch/x86/math-emu/reg_u_add.S | 2 +- arch/x86/math-emu/reg_u_div.S | 2 +- arch/x86/math-emu/reg_u_mul.S | 2 +- arch/x86/math-emu/reg_u_sub.S | 2 +- arch/x86/math-emu/round_Xsig.S | 4 +- arch/x86/math-emu/shr_Xsig.S | 8 +- arch/x86/math-emu/wm_shrx.S | 16 +- arch/x86/mm/mem_encrypt_boot.S | 6 + arch/x86/net/bpf_jit_comp.c | 185 ++-- arch/x86/net/bpf_jit_comp32.c | 22 +- arch/x86/platform/efi/efi_stub_32.S | 2 +- arch/x86/platform/efi/efi_stub_64.S | 2 +- arch/x86/platform/efi/efi_thunk_64.S | 2 +- arch/x86/platform/olpc/xo1-wakeup.S | 6 +- arch/x86/power/hibernate_asm_32.S | 4 +- arch/x86/power/hibernate_asm_64.S | 4 +- arch/x86/um/checksum_32.S | 4 +- arch/x86/um/setjmp_32.S | 2 +- arch/x86/um/setjmp_64.S | 2 +- arch/x86/xen/Makefile | 1 - arch/x86/xen/setup.c | 6 +- arch/x86/xen/xen-asm.S | 43 +- arch/x86/xen/xen-head.S | 6 +- arch/x86/xen/xen-ops.h | 6 +- drivers/base/cpu.c | 8 + drivers/idle/intel_idle.c | 43 +- include/linux/cpu.h | 2 + include/linux/kvm_host.h | 2 +- include/linux/objtool.h | 14 +- samples/ftrace/ftrace-direct-modify.c | 4 +- samples/ftrace/ftrace-direct-too.c | 2 +- samples/ftrace/ftrace-direct.c | 2 +- scripts/Makefile.build | 6 + scripts/link-vmlinux.sh | 6 + security/Kconfig | 11 - tools/arch/x86/include/asm/inat.h | 2 +- tools/arch/x86/include/asm/insn.h | 28 +- tools/arch/x86/include/asm/msr-index.h | 9 + tools/arch/x86/lib/inat.c | 2 +- tools/arch/x86/lib/insn.c | 222 ++++- tools/arch/x86/lib/memcpy_64.S | 12 +- tools/arch/x86/lib/memset_64.S | 6 +- tools/include/linux/kconfig.h | 73 ++ tools/include/linux/objtool.h | 14 +- tools/objtool/Documentation/stack-validation.txt | 16 +- tools/objtool/Makefile | 4 - tools/objtool/arch.h | 13 +- tools/objtool/arch/x86/decode.c | 58 +- tools/objtool/arch/x86/include/arch_special.h | 2 +- tools/objtool/builtin-check.c | 6 +- tools/objtool/builtin-orc.c | 6 +- tools/objtool/builtin.h | 3 +- tools/objtool/cfi.h | 2 + tools/objtool/check.c | 1140 +++++++++++++++++----- tools/objtool/check.h | 35 +- tools/objtool/elf.c | 434 ++++++-- tools/objtool/elf.h | 22 +- tools/objtool/objtool.c | 2 + tools/objtool/objtool.h | 5 +- tools/objtool/orc_gen.c | 324 +++--- tools/objtool/special.c | 22 +- tools/objtool/sync-check.sh | 17 +- tools/objtool/weak.c | 7 +- tools/perf/check-headers.sh | 15 +- 204 files changed, 4557 insertions(+), 1916 deletions(-)
Quoted 8 lines · Greg Kroah-Hartman
This is the start of the stable review cycle for the 5.10.131 release. There are 131 patches in this series, all will be posted as a response to this one. If anyone has any issues with these being applied, please let me know.
Responses should be made by Fri, 15 Jul 2022 09:47:55 +0000. Anything received after that time might be too late.
I see this in all branches, including mainline.
Building um:defconfig ... failed
--------------
Error log:/opt/kernel/gcc-11.3.0-2.38-nolibc/x86_64-linux/bin/../lib/gcc/x86_64-linux/11.3.0/../../../../x86_64-linux/bin/ld: arch/x86/um/../kernel/module.o: in function `module_finalize':arch/x86/um/../kernel/module.c:292: undefined reference to `apply_returns'
Guenter
Hi Greg,
Quoted 7 lines · Greg Kroah-Hartman
This is the start of the stable review cycle for the 5.10.131 release. There are 131 patches in this series, all will be posted as a response to this one. If anyone has any issues with these being applied, please let me know.
Responses should be made by Fri, 15 Jul 2022 09:47:55 +0000. Anything received after that time might be too late.
Build test (gcc version 11.3.1 20220706):
mips: 63 configs -> no failure
arm: 104 configs -> no failure
arm64: 3 configs -> no failurex86_64: 4 configs -> no failure alpha allmodconfig -> no failure powerpc allmodconfig -> no failure riscv allmodconfig -> no failure s390 allmodconfig -> no failure xtensa allmodconfig -> no failure
Boot test:x86_64: Booted on my test laptop. No regression.x86_64: Booted on qemu. No regression. [1]
arm64: Booted on rpi4b (4GB model). No regression. [2]
[1]. https://openqa.qa.codethink.co.uk/tests/1515
[2]. https://openqa.qa.codethink.co.uk/tests/1518
--
Regards
Sudip
Quoted 8 lines · Greg Kroah-Hartman
This is the start of the stable review cycle for the 5.10.131 release. There are 131 patches in this series, all will be posted as a response to this one. If anyone has any issues with these being applied, please let me know.
Responses should be made by Fri, 15 Jul 2022 09:47:55 +0000. Anything received after that time might be too late.
All boots with efi32 bios crash. This seems to affect all stable release candidates; so far I have seen it with v5.10.130-132-g6729599d99f and with v5.18.11-62-g18f94637a014. Test results from mainline and from v5.15.54-rc1 are still pending.
[ 0.709966] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 0.709966] BUG: unable to handle page fault for address: 0000000021803b80 [ 0.709966] #PF: supervisor instruction fetch in kernel mode [ 0.709966] #PF: error_code(0x0011) - permissions violation [ 0.709966] PGD 175a063 P4D 175a063 PUD 175b063 PMD 1766063 PTE 8000000021803063 [ 0.709966] Oops: 0011 [#1] SMP PTI [ 0.709966] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.10.131-rc2+ #1 [ 0.709966] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 0.0.0 02/06/2015 [ 0.709966] RIP: 0010:0x21803b80 [ 0.709966] Code: Unable to access opcode bytes at RIP 0x21803b56. [ 0.709966] RSP: 0018:ffffffffb9403e80 EFLAGS: 00000046 [ 0.709966] RAX: 0000000000000000 RBX: 0000000001798000 RCX: 00000000df24be60 [ 0.709966] RDX: 000000003feab058 RSI: 0000000000000600 RDI: 000000003fe7e038 [ 0.709966] RBP: 0000000000000600 R08: 0000000001798000 R09: 00000000229ed067 [ 0.709966] R10: 0000000000000000 R11: 00000000229ed067 R12: 0000000000000030 [ 0.709966] R13: 0000000000000001 R14: ffff9aca41790000 R15: 0000000000000282 [ 0.709966] FS: 0000000000000000(0000) GS:ffff9aca7f800000(0000) knlGS:0000000000000000 [ 0.709966] CS: 0010 DS: 0018 ES: 0018 CR0: 0000000080050033 [ 0.709966] CR2: 0000000021803b80 CR3: 0000000001758000 CR4: 00000000000406b0 [ 0.709966] Call Trace: [ 0.709966] ? efi_set_virtual_address_map+0x87/0x160 [ 0.709966] ? efi_enter_virtual_mode+0x39a/0x3f5 [ 0.709966] ? start_kernel+0x4aa/0x544 [ 0.709966] ? secondary_startup_64_no_verify+0xc2/0xcb [ 0.709966] Modules linked in: [ 0.709966] CR2: 0000000021803b80 [ 0.709966] ---[ end trace 1b5f45b6ffd42130 ]--- [ 0.709966] RIP: 0010:0x21803b80 [ 0.709966] Code: Unable to access opcode bytes at RIP 0x21803b56. [ 0.709966] RSP: 0018:ffffffffb9403e80 EFLAGS: 00000046 [ 0.709966] RAX: 0000000000000000 RBX: 0000000001798000 RCX: 00000000df24be60 [ 0.709966] RDX: 000000003feab058 RSI: 0000000000000600 RDI: 000000003fe7e038 [ 0.709966] RBP: 0000000000000600 R08: 0000000001798000 R09: 00000000229ed067 [ 0.709966] R10: 0000000000000000 R11: 00000000229ed067 R12: 0000000000000030 [ 0.709966] R13: 0000000000000001 R14: ffff9aca41790000 R15: 0000000000000282 [ 0.709966] FS: 0000000000000000(0000) GS:ffff9aca7f800000(0000) knlGS:0000000000000000 [ 0.709966] CS: 0010 DS: 0018 ES: 0018 CR0: 0000000080050033 [ 0.709966] CR2: 0000000021803b80 CR3: 0000000001758000 CR4: 00000000000406b0 [ 0.709966] Kernel panic - not syncing: Attempted to kill the idle task! [ 0.709966] ACPI MEMORY or I/O RESET_REG.
Guenter
Quoted 9 lines · Greg Kroah-Hartman
This is the start of the stable review cycle for the 5.10.131 release. There are 131 patches in this series, all will be posted as a response to this one. If anyone has any issues with these being applied, please let me know.
Responses should be made by Fri, 15 Jul 2022 09:47:55 +0000. Anything received after that time might be too late.
The whole patch series can be found in one patch at:
Quoted 8 lines
https://www.kernel.org/pub/linux/kernel/v5.x/stable-review/patch-5.10.131-rc2.gzor in the git tree and branch at:
git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.gitlinux-5.10.y
and the diffstat can be found below.thanks,
greg k-h
On ARCH_BRCMSTB using 32-bit and 64-bit ARM kernels:
Signature · 1 line
Florian
Quoted 8 lines · Greg Kroah-Hartman
This is the start of the stable review cycle for the 5.10.131 release. There are 131 patches in this series, all will be posted as a response to this one. If anyone has any issues with these being applied, please let me know.
Responses should be made by Fri, 15 Jul 2022 09:47:55 +0000. Anything received after that time might be too late.
Build results:
total: 163 pass: 162 fail: 1 Failed builds: um:defconfig Qemu test results: total: 477 pass: 469 fail: 8 Failed tests: x86_64:q35:SandyBridge:defconfig:smp4:net,ne2k_pci:efi32:mem1G:usb:hd x86_64:q35:Conroe:defconfig:smp4:net,tulip:efi32:mem256:scsi[DC395]:hd x86_64:q35:Skylake-Server:defconfig:smp4:net,e1000-82544gc:efi32:mem2G:scsi[53C895A]:hd x86_64:q35:Opteron_G5:defconfig:smp4:net,i82559c:efi32:mem256:scsi[MEGASAS2]:hd x86_64:pc:Opteron_G2:defconfig:smp:net,usb:efi32:mem2G:scsi[virtio-pci]:hd x86_64:q35:Nehalem:defconfig:smp2:net,i82558a:efi32:mem1G:virtio:hd x86_64:q35:Skylake-Client-IBRS:defconfig:preempt:smp2:net,i82558b:efi32:mem1G:sdhci:mmc:hd x86_64:q35:Haswell-noTSX-IBRS:defconfig:nosmp:net,pcnet:efi32:mem2G:ata:hd
Build error:
/opt/kernel/gcc-11.3.0-2.38-nolibc/x86_64-linux/bin/../lib/gcc/x86_64-linux/11.3.0/../../../../x86_64-linux/bin/ld: arch/x86/um/../kernel/module.o: in function `module_finalize':arch/x86/um/../kernel/module.c:283: undefined reference to `apply_returns'
Crash:
[ 0.709966] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 0.709966] BUG: unable to handle page fault for address: 0000000021803b80 [ 0.709966] #PF: supervisor instruction fetch in kernel mode [ 0.709966] #PF: error_code(0x0011) - permissions violation [ 0.709966] PGD 175a063 P4D 175a063 PUD 175b063 PMD 1766063 PTE 8000000021803063 [ 0.709966] Oops: 0011 [#1] SMP PTI [ 0.709966] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.10.131-rc2+ #1 [ 0.709966] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 0.0.0 02/06/2015 [ 0.709966] RIP: 0010:0x21803b80 [ 0.709966] Code: Unable to access opcode bytes at RIP 0x21803b56. [ 0.709966] RSP: 0018:ffffffffb9403e80 EFLAGS: 00000046 [ 0.709966] RAX: 0000000000000000 RBX: 0000000001798000 RCX: 00000000df24be60 [ 0.709966] RDX: 000000003feab058 RSI: 0000000000000600 RDI: 000000003fe7e038 [ 0.709966] RBP: 0000000000000600 R08: 0000000001798000 R09: 00000000229ed067 [ 0.709966] R10: 0000000000000000 R11: 00000000229ed067 R12: 0000000000000030 [ 0.709966] R13: 0000000000000001 R14: ffff9aca41790000 R15: 0000000000000282 [ 0.709966] FS: 0000000000000000(0000) GS:ffff9aca7f800000(0000) knlGS:0000000000000000 [ 0.709966] CS: 0010 DS: 0018 ES: 0018 CR0: 0000000080050033 [ 0.709966] CR2: 0000000021803b80 CR3: 0000000001758000 CR4: 00000000000406b0 [ 0.709966] Call Trace: [ 0.709966] ? efi_set_virtual_address_map+0x87/0x160 [ 0.709966] ? efi_enter_virtual_mode+0x39a/0x3f5 [ 0.709966] ? start_kernel+0x4aa/0x544 [ 0.709966] ? secondary_startup_64_no_verify+0xc2/0xcb [ 0.709966] Modules linked in: [ 0.709966] CR2: 0000000021803b80 [ 0.709966] ---[ end trace 1b5f45b6ffd42130 ]--- [ 0.709966] RIP: 0010:0x21803b80 [ 0.709966] Code: Unable to access opcode bytes at RIP 0x21803b56. [ 0.709966] RSP: 0018:ffffffffb9403e80 EFLAGS: 00000046 [ 0.709966] RAX: 0000000000000000 RBX: 0000000001798000 RCX: 00000000df24be60 [ 0.709966] RDX: 000000003feab058 RSI: 0000000000000600 RDI: 000000003fe7e038 [ 0.709966] RBP: 0000000000000600 R08: 0000000001798000 R09: 00000000229ed067 [ 0.709966] R10: 0000000000000000 R11: 00000000229ed067 R12: 0000000000000030 [ 0.709966] R13: 0000000000000001 R14: ffff9aca41790000 R15: 0000000000000282 [ 0.709966] FS: 0000000000000000(0000) GS:ffff9aca7f800000(0000) knlGS:0000000000000000 [ 0.709966] CS: 0010 DS: 0018 ES: 0018 CR0: 0000000080050033 [ 0.709966] CR2: 0000000021803b80 CR3: 0000000001758000 CR4: 00000000000406b0 [ 0.709966] Kernel panic - not syncing: Attempted to kill the idle task!
This is the same for all stable release candidates, and is also seen in the mainline kernel.
Guenter
Quoted 10 lines · Greg Kroah-Hartman
This is the start of the stable review cycle for the 5.10.131 release. There are 131 patches in this series, all will be posted as a response to this one. If anyone has any issues with these being applied, please let me know.
Responses should be made by Fri, 15 Jul 2022 09:47:55 +0000. Anything received after that time might be too late.
The whole patch series can be found in one patch at:
Quoted 8 lines
https://www.kernel.org/pub/linux/kernel/v5.x/stable-review/patch-5.10.131-rc2.gzor in the git tree and branch at:
git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.gitlinux-5.10.y
and the diffstat can be found below.thanks,
greg k-h
FYI,
With rc2 the perf build issues got fixed.
but we still see
Kernel panic on x86 while running kvm-unit-tests.
- Naresh
Quoted 9 lines · Greg Kroah-Hartman
This is the start of the stable review cycle for the 5.10.131 release. There are 131 patches in this series, all will be posted as a response to this one. If anyone has any issues with these being applied, please let me know.
Responses should be made by Fri, 15 Jul 2022 09:47:55 +0000. Anything received after that time might be too late.
The whole patch series can be found in one patch at:
Quoted 9 lines
https://www.kernel.org/pub/linux/kernel/v5.x/stable-review/patch-5.10.131-rc2.gzor in the git tree and branch at:
git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.gitlinux-5.10.y
and the diffstat can be found below.thanks,
greg k-h
Tested on arm64 and x86 for 5.10.131-rc2,
Kernel repo:
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git
Branch: linux-5.10.y
Version: 5.10.131-rc2
Commit: 6729599d99f8543a9c2525f3fbaccabccc04ad09
Compiler: gcc version 7.3.0 (GCC)
arm64:
--------------------------------------------------------------------
Testcase Result Summary:
total: 9022
passed: 9022
failed: 0
timeout: 0
--------------------------------------------------------------------
x86:
--------------------------------------------------------------------
Testcase Result Summary:
total: 9022
passed: 9022
failed: 0
timeout: 0
--------------------------------------------------------------------