From: Josh Poimboeuf <jpoimboe@redhat.com>
To: Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>
Cc: Michal Marek <mmarek@suse.cz>,
Peter Zijlstra <peterz@infradead.org>,
Andy Lutomirski <luto@kernel.org>, Borislav Petkov <bp@alien8.de>,
Linus Torvalds <torvalds@linux-foundation.org>,
Andi Kleen <andi@firstfloor.org>, Pedro Alves <palves@redhat.com>,
x86@kernel.org, live-patching@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v7 0/4] Compile-time stack validation
Date: Tue, 14 Jul 2015 12:25:53 -0500 [thread overview]
Message-ID: <20150714172553.GD4562@treble.redhat.com> (raw)
In-Reply-To: <cover.1436893563.git.jpoimboe@redhat.com>
On Tue, Jul 14, 2015 at 12:14:06PM -0500, Josh Poimboeuf wrote:
> Posting a listing of reported warnings in a reply to this email.
These are the reported stackvalidate warnings on tip/master with my
Fedora-based config. There were 1399 warnings in 26 .c files and 16 .S
files. It was mostly repeat warnings so I removed a lot of the repeats
to keep it short.
stackvalidate: arch/x86/crypto/aesni-intel_asm.o: aesni_set_key()+0x128: call without frame pointer save/setup
...removed 29 lines...
stackvalidate: arch/x86/crypto/aesni-intel_asm.o: aesni_set_key()+0xb9: call without frame pointer save/setup
stackvalidate: arch/x86/crypto/aesni-intel_asm.o: aesni_enc()+0xa: call without frame pointer save/setup
stackvalidate: arch/x86/crypto/aesni-intel_asm.o: aesni_dec()+0x11: call without frame pointer save/setup
stackvalidate: arch/x86/crypto/aesni-intel_asm.o: aesni_ecb_enc()+0x57: call without frame pointer save/setup
...removed 5 lines...
stackvalidate: arch/x86/crypto/aesni-intel_asm.o: aesni_cbc_dec()+0x43: call without frame pointer save/setup
stackvalidate: arch/x86/crypto/aesni-intel_asm.o: _aesni_inc_init(): can't find starting instruction
stackvalidate: arch/x86/crypto/aesni-intel_asm.o: aesni_ctr_enc()+0x15: call without frame pointer save/setup
...removed 6 lines...
stackvalidate: arch/x86/crypto/aesni-intel_asm.o: aesni_ctr_enc()+0x51: call without frame pointer save/setup
stackvalidate: arch/x86/crypto/aesni-intel_asm.o: aesni_xts_crypt8()+0xda: call without frame pointer save/setup
stackvalidate: arch/x86/crypto/aesni-intel_asm.o: aesni_xts_crypt8()+0x1f1: call without frame pointer save/setup
stackvalidate: arch/x86/crypto/aesni-intel_asm.o: _aesni_inc_init()+0x24: return instruction outside of a callable function
stackvalidate: arch/x86/crypto/ghash-clmulni-intel_asm.o: clmul_ghash_mul()+0x13: call without frame pointer save/setup
stackvalidate: arch/x86/crypto/ghash-clmulni-intel_asm.o: clmul_ghash_update()+0x28: call without frame pointer save/setup
stackvalidate: arch/x86/crypto/crc32c-pcl-intel-asm_64.o: crc_pcl()+0x11dd: can't decode instruction
stackvalidate: arch/x86/entry/entry_64.o: native_usergs_sysret64()+0x3: kernel entry/exit from callable instruction
stackvalidate: arch/x86/entry/entry_64.o: .entry.text+0x329: return instruction outside of a callable function
stackvalidate: arch/x86/entry/entry_64.o: .entry.text+0x1fe9: return instruction outside of a callable function
stackvalidate: arch/x86/entry/entry_64.o: .entry.text+0x2015: return instruction outside of a callable function
stackvalidate: arch/x86/entry/entry_64.o: .entry.text+0x2514: return instruction outside of a callable function
stackvalidate: arch/x86/entry/entry_64.o: .entry.text+0x2628: return instruction outside of a callable function
stackvalidate: arch/x86/entry/thunk_64.o: .text+0x53: return instruction outside of a callable function
stackvalidate: arch/x86/entry/entry_64_compat.o: native_usergs_sysret32()+0x3: kernel entry/exit from callable instruction
stackvalidate: arch/x86/entry/entry_64_compat.o: entry_SYSENTER_compat()+0xd: call without frame pointer save/setup
stackvalidate: arch/x86/entry/entry_64_compat.o: .entry.text+0x45f: sibling call from callable instruction with changed frame pointer
stackvalidate: arch/x86/entry/entry_64_compat.o: .entry.text+0x487: sibling call from callable instruction with changed frame pointer
stackvalidate: arch/x86/entry/entry_64_compat.o: entry_SYSENTER_compat()+0xd7: sibling call from callable instruction with changed frame pointer
stackvalidate: arch/x86/entry/entry_64_compat.o: entry_SYSENTER_compat()+0x179: sibling call from callable instruction with changed frame pointer
stackvalidate: arch/x86/entry/entry_64_compat.o: .entry.text+0x5de: return instruction outside of a callable function
stackvalidate: arch/x86/kernel/mcount_64.o: .entry.text+0x0: return instruction outside of a callable function
stackvalidate: arch/x86/kernel/mcount_64.o: .entry.text+0xbb: return instruction outside of a callable function
stackvalidate: arch/x86/kernel/mcount_64.o: .entry.text+0x2b7: return instruction outside of a callable function
stackvalidate: arch/x86/kernel/tsc.o: unsynchronized_tsc()+0x5f: call without frame pointer save/setup
stackvalidate: arch/x86/kernel/process.o: set_tsc_mode()+0x55: call without frame pointer save/setup
stackvalidate: arch/x86/kernel/acpi/wakeup_64.o: do_suspend_lowlevel()+0x6: call without frame pointer save/setup
stackvalidate: arch/x86/kernel/acpi/wakeup_64.o: do_suspend_lowlevel()+0x95: call without frame pointer save/setup
stackvalidate: arch/x86/kernel/cpu/common.o: debug_stack_reset()+0x70: call without frame pointer save/setup
stackvalidate: arch/x86/kernel/cpu/common.o: debug_stack_reset()+0x61: call without frame pointer save/setup
stackvalidate: arch/x86/kernel/cpu/common.o: debug_stack_reset()+0x31: call without frame pointer save/setup
stackvalidate: arch/x86/kernel/cpu/amd.o: .text+0x0: return instruction outside of a callable function
stackvalidate: arch/x86/kernel/cpu/mcheck/mce.o: mce_wrmsrl.constprop.30()+0x3f: call without frame pointer save/setup
stackvalidate: arch/x86/kernel/kprobes/core.o: kretprobe_trampoline_holder()+0x1d: duplicate frame pointer save
stackvalidate: arch/x86/kernel/kprobes/core.o: kprobe_exceptions_notify()+0x2d: call without frame pointer save/setup
stackvalidate: arch/x86/kernel/kprobes/core.o: kretprobe_trampoline_holder()+0x53: function has unreachable instruction
stackvalidate: arch/x86/kernel/kprobes/core.o: kretprobe_trampoline_holder()+0x54: function has unreachable instruction
stackvalidate: arch/x86/kernel/reboot.o: machine_real_restart()+0x5d: sibling call from callable instruction with changed frame pointer
stackvalidate: arch/x86/kernel/relocate_kernel_64.o: .text+0xd6: can't find call dest symbol at offset 0xdb
stackvalidate: arch/x86/kernel/paravirt.o: paravirt_end_context_switch()+0x3f: call without frame pointer save/setup
stackvalidate: arch/x86/kernel/paravirt.o: paravirt_end_context_switch()+0x37: call without frame pointer save/setup
stackvalidate: arch/x86/kernel/vsmp_64.o: .text+0x1d: return instruction outside of a callable function
stackvalidate: arch/x86/kernel/vsmp_64.o: .text+0x3b: return instruction outside of a callable function
stackvalidate: arch/x86/kernel/vsmp_64.o: .text+0x59: return instruction outside of a callable function
stackvalidate: arch/x86/kernel/vsmp_64.o: .text+0x77: return instruction outside of a callable function
stackvalidate: arch/x86/kernel/head_64.o: .text: unexpected end of section
stackvalidate: arch/x86/kernel/head_64.o: start_cpu0()+0x13: kernel entry/exit from callable instruction
stackvalidate: arch/x86/kernel/head_64.o: early_idt_handler_common()+0x59: call without frame pointer save/setup
...removed 5 lines...
stackvalidate: arch/x86/kernel/head_64.o: early_idt_handler_common()+0x42: call without frame pointer save/setup
stackvalidate: arch/x86/kernel/head_64.o: early_idt_handler_array()+0x9: function has unreachable instruction
...removed 140 lines...
stackvalidate: arch/x86/kernel/head_64.o: early_idt_handler_array()+0x11f: function has unreachable instruction
stackvalidate: arch/x86/mm/tlb.o: leave_mm()+0x5c: call without frame pointer save/setup
stackvalidate: arch/x86/mm/tlb.o: do_flush_tlb_all()+0x25: call without frame pointer save/setup
stackvalidate: arch/x86/mm/tlb.o: do_flush_tlb_all()+0x11: call without frame pointer save/setup
stackvalidate: arch/x86/net/bpf_jit.o: .text+0x18: return instruction outside of a callable function
...removed 8 lines...
stackvalidate: arch/x86/net/bpf_jit.o: .text+0x16d: return instruction outside of a callable function
stackvalidate: arch/x86/platform/efi/efi_stub_64.o: efi_call()+0x7c: call without frame pointer save/setup
stackvalidate: arch/x86/platform/uv/tlb_uv.o: ptc_seq_next()+0x1e: call without frame pointer save/setup
stackvalidate: arch/x86/xen/enlighten.o: xen_cpuid()+0x41: can't find jump dest instruction at .text+0x108
stackvalidate: arch/x86/xen/mmu.o: .text+0x1d: return instruction outside of a callable function
...removed 6 lines...
stackvalidate: arch/x86/xen/mmu.o: .text+0xef: return instruction outside of a callable function
stackvalidate: arch/x86/xen/irq.o: xen_halt()+0x0: call without frame pointer save/setup
stackvalidate: arch/x86/xen/irq.o: xen_halt()+0x1d: call without frame pointer save/setup
stackvalidate: arch/x86/xen/irq.o: .text+0x1d: return instruction outside of a callable function
stackvalidate: arch/x86/xen/irq.o: .text+0x3b: return instruction outside of a callable function
stackvalidate: arch/x86/xen/irq.o: .text+0x59: return instruction outside of a callable function
stackvalidate: arch/x86/xen/irq.o: .text+0x77: return instruction outside of a callable function
stackvalidate: arch/x86/xen/time.o: xen_vcpuop_set_mode()+0x36: call without frame pointer save/setup
stackvalidate: arch/x86/xen/time.o: xen_vcpuop_set_mode()+0x49: call without frame pointer save/setup
stackvalidate: arch/x86/xen/time.o: xen_vcpuop_set_mode()+0x1d: call without frame pointer save/setup
stackvalidate: arch/x86/xen/time.o: xen_timerop_set_mode()+0x26: call without frame pointer save/setup
stackvalidate: arch/x86/xen/xen-asm.o: .text+0x7f: return instruction outside of a callable function
stackvalidate: arch/x86/xen/xen-asm_64.o: .text+0xa: return instruction outside of a callable function
stackvalidate: kernel/softirq.o: __tasklet_hi_schedule_first()+0x5: call without frame pointer save/setup
stackvalidate: kernel/bpf/core.o: __bpf_prog_run()+0x5c: sibling call from callable instruction with changed frame pointer
stackvalidate: kernel/bpf/core.o: __bpf_prog_run()+0x60: function has unreachable instruction
...removed 1092 lines...
stackvalidate: kernel/bpf/core.o: __bpf_prog_run()+0x12dc: function has unreachable instruction
stackvalidate: kernel/locking/lockdep.o: trace_hardirqs_off_caller()+0x31: call without frame pointer save/setup
stackvalidate: kernel/sched/core.o: __schedule()+0x3e7: duplicate frame pointer save
stackvalidate: kernel/sched/core.o: __schedule()+0x424: sibling call from callable instruction with changed frame pointer
stackvalidate: kernel/sched/core.o: __schedule()+0x431: call without frame pointer save/setup
stackvalidate: kernel/sched/core.o: __schedule()+0x8b8: frame pointer state mismatch
stackvalidate: kernel/sched/core.o: __schedule()+0x447: frame pointer state mismatch
stackvalidate: kernel/sched/core.o: preempt_schedule_irq()+0x17: call without frame pointer save/setup
stackvalidate: kernel/sched/rt.o: set_cpus_allowed_rt()+0x1b: call without frame pointer save/setup
stackvalidate: kernel/irq_work.o: irq_work_run_list()+0x0: call without frame pointer save/setup
stackvalidate: mm/slub.o: check_slab()+0x5: call without frame pointer save/setup
stackvalidate: mm/huge_memory.o: split_huge_page_address()+0x30: call without frame pointer save/setup
stackvalidate: mm/huge_memory.o: split_huge_page_address()+0x6d: call without frame pointer save/setup
stackvalidate: fs/buffer.o: __find_get_block()+0x5: call without frame pointer save/setup
stackvalidate: drivers/xen/sys-hypervisor.o: pagesize_show()+0xf: call without frame pointer save/setup
stackvalidate: drivers/xen/sys-hypervisor.o: minor_show()+0xc: call without frame pointer save/setup
stackvalidate: drivers/xen/sys-hypervisor.o: major_show()+0xc: call without frame pointer save/setup
stackvalidate: arch/x86/power/hibernate_asm_64.o: .text+0x69: return instruction outside of a callable function
stackvalidate: arch/x86/power/hibernate_asm_64.o: .text+0x16d: return instruction outside of a callable function
stackvalidate: lib/percpu_counter.o: __percpu_counter_compare()+0x1e: call without frame pointer save/setup
stackvalidate: arch/x86/lib/rwsem.o: call_rwsem_down_read_failed()+0xf: call without frame pointer save/setup
stackvalidate: arch/x86/lib/rwsem.o: call_rwsem_down_write_failed()+0xe: call without frame pointer save/setup
stackvalidate: arch/x86/lib/rwsem.o: call_rwsem_wake()+0x12: call without frame pointer save/setup
stackvalidate: arch/x86/lib/rwsem.o: call_rwsem_downgrade_wake()+0xf: call without frame pointer save/setup
--
Josh
next prev parent reply other threads:[~2015-07-14 17:25 UTC|newest]
Thread overview: 89+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-07-14 17:14 [PATCH v7 0/4] Compile-time stack validation Josh Poimboeuf
2015-07-14 17:14 ` [PATCH v7 1/4] x86/asm: Frame pointer macro cleanup Josh Poimboeuf
2015-07-14 17:14 ` [PATCH v7 2/4] x86/stackvalidate: Compile-time stack validation Josh Poimboeuf
2015-07-14 20:57 ` Peter Zijlstra
2015-07-14 21:11 ` Josh Poimboeuf
2015-07-14 21:08 ` Peter Zijlstra
2015-07-14 21:30 ` Josh Poimboeuf
2015-07-14 21:56 ` Peter Zijlstra
2015-07-14 22:32 ` Josh Poimboeuf
2015-07-20 16:53 ` Namhyung Kim
2015-07-20 17:50 ` Josh Poimboeuf
2015-07-21 8:02 ` Ingo Molnar
2015-07-21 12:04 ` Josh Poimboeuf
2015-07-21 8:42 ` Bernd Petrovitsch
2015-07-21 12:06 ` Josh Poimboeuf
2015-07-14 17:14 ` [PATCH v7 3/4] x86/stackvalidate: Add file and directory ignores Josh Poimboeuf
2015-07-14 17:14 ` [PATCH v7 4/4] x86/stackvalidate: Add ignore macros Josh Poimboeuf
2015-07-14 17:25 ` Josh Poimboeuf [this message]
2015-07-15 10:16 ` [PATCH v7 0/4] Compile-time stack validation Ingo Molnar
2015-07-15 16:05 ` Josh Poimboeuf
2015-07-17 16:47 ` [RFC PATCH 00/21] x86: Proposed fixes for stackvalidate warnings Josh Poimboeuf
2015-07-17 16:47 ` [RFC PATCH 01/21] stackvalidate: Process ignores earlier and add more ignore checks Josh Poimboeuf
2015-07-17 16:47 ` [RFC PATCH 02/21] stackvalidate: Add C version of STACKVALIDATE_IGNORE_INSN Josh Poimboeuf
2015-07-18 14:56 ` Borislav Petkov
2015-07-18 16:00 ` Josh Poimboeuf
[not found] ` <CA+55aFyoO75n-mQBrB_YBLx9yNpAjisFAqkO8+YsphD-xmgY+w@mail.gmail.com>
2015-07-18 16:40 ` Josh Poimboeuf
2015-07-17 16:47 ` [RFC PATCH 03/21] x86/asm: Add C versions of FRAME and ENDFRAME macros Josh Poimboeuf
2015-07-17 16:47 ` [RFC PATCH 04/21] x86/hweight: Add stack frame dependency for __arch_hweight*() Josh Poimboeuf
2015-07-17 17:17 ` Borislav Petkov
2015-07-17 17:32 ` Josh Poimboeuf
2015-07-18 5:05 ` Borislav Petkov
2015-07-18 13:44 ` Josh Poimboeuf
2015-07-18 14:56 ` Borislav Petkov
2015-07-18 15:57 ` Josh Poimboeuf
2015-07-19 4:12 ` Borislav Petkov
2015-07-22 0:13 ` Andy Lutomirski
2015-07-22 4:25 ` Borislav Petkov
2015-07-22 4:39 ` Andy Lutomirski
2015-07-22 4:45 ` Borislav Petkov
2015-07-17 16:47 ` [RFC PATCH 05/21] x86/xen: Add stack frame dependency to hypercall inline asm calls Josh Poimboeuf
2015-07-17 16:47 ` [RFC PATCH 06/21] x86/paravirt: Add stack frame dependency to PVOP " Josh Poimboeuf
2015-07-17 16:47 ` [RFC PATCH 07/21] x86/paravirt: Fix frame pointer usage in PV_CALLEE_SAVE_REGS_THUNK Josh Poimboeuf
2015-07-17 16:47 ` [RFC PATCH 08/21] x86/paravirt: Align paravirt thunk functions at 16-byte boundaries Josh Poimboeuf
2015-07-17 16:47 ` [RFC PATCH 09/21] x86/amd: Set ELF function type for vide() Josh Poimboeuf
2015-07-17 16:47 ` [RFC PATCH 10/21] x86/reboot: Add ljmp instructions to stackvalidate whitelist Josh Poimboeuf
2015-07-17 16:47 ` [RFC PATCH 11/21] x86/xen: Add xen_cpuid() and xen_setup_gdt() to stackvalidate whitelists Josh Poimboeuf
2015-07-17 16:47 ` [RFC PATCH 12/21] sched: Add __schedule() to stackvalidate whitelist Josh Poimboeuf
2015-07-17 19:46 ` Peter Zijlstra
2015-07-17 19:58 ` Andy Lutomirski
2015-07-17 21:03 ` Peter Zijlstra
2015-07-17 21:23 ` Josh Poimboeuf
2015-07-18 3:44 ` Ingo Molnar
2015-07-17 16:47 ` [RFC PATCH 13/21] x86/asm/crypto: Fix frame pointer usage in aesni-intel_asm.S Josh Poimboeuf
2015-07-17 19:43 ` Ingo Molnar
2015-07-17 19:44 ` Andy Lutomirski
2015-07-17 20:37 ` Josh Poimboeuf
2015-07-17 20:39 ` Andy Lutomirski
2015-07-17 20:44 ` Josh Poimboeuf
2015-07-17 20:46 ` Andy Lutomirski
2015-07-17 20:59 ` Josh Poimboeuf
2015-07-17 21:01 ` Andy Lutomirski
2015-07-17 21:10 ` Josh Poimboeuf
2015-07-18 8:42 ` Borislav Petkov
2015-07-18 13:46 ` Josh Poimboeuf
2015-07-18 14:25 ` Borislav Petkov
2015-07-18 15:40 ` Josh Poimboeuf
2015-07-18 2:51 ` Ingo Molnar
2015-07-18 3:56 ` Josh Poimboeuf
2015-07-20 7:56 ` Ingo Molnar
2015-07-20 13:59 ` Josh Poimboeuf
2015-07-20 17:21 ` Ingo Molnar
2015-07-20 18:00 ` Josh Poimboeuf
2015-07-22 11:52 ` Josh Poimboeuf
2015-07-20 15:30 ` Andy Lutomirski
2015-07-20 16:36 ` Josh Poimboeuf
2015-07-20 16:52 ` Peter Zijlstra
2015-07-20 17:19 ` Josh Poimboeuf
2015-07-21 8:00 ` Ingo Molnar
2015-07-21 12:06 ` Josh Poimboeuf
2015-07-17 16:47 ` [RFC PATCH 14/21] x86/asm/crypto: Move .Lbswap_mask data to .rodata section Josh Poimboeuf
2015-07-17 16:47 ` [RFC PATCH 15/21] x86/asm/crypto: Move jump_table " Josh Poimboeuf
2015-07-17 16:47 ` [RFC PATCH 16/21] x86/asm/crypto: Fix frame pointer usage in clmul_ghash_mul/update() Josh Poimboeuf
2015-07-17 16:47 ` [RFC PATCH 17/21] x86/asm/entry: Fix frame pointer usage in thunk functions Josh Poimboeuf
2015-07-17 16:47 ` [RFC PATCH 18/21] x86/asm/acpi: Fix frame pointer usage in do_suspend_lowlevel() Josh Poimboeuf
2015-07-17 16:47 ` [RFC PATCH 19/21] x86/asm: Fix frame pointer usage in rwsem functions Josh Poimboeuf
2015-07-17 16:47 ` [RFC PATCH 20/21] x86/asm/efi: Fix frame pointer usage in efi_call() Josh Poimboeuf
2015-07-17 16:47 ` [RFC PATCH 21/21] x86/asm/power: Fix frame pointer usage in hibernate_asm_64.S Josh Poimboeuf
2015-07-17 18:56 ` [RFC PATCH 00/21] x86: Proposed fixes for stackvalidate warnings Andy Lutomirski
2015-07-18 3:05 ` Ingo Molnar
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