* [tip:objtool/core 8/12] vmlinux.o: warning: objtool: do_arch_prctl_common+0xf4: preempt_schedule_thunk() is missing a __noreturn annotation
@ 2023-05-28 2:35 kernel test robot
2023-05-30 23:09 ` Josh Poimboeuf
0 siblings, 1 reply; 2+ messages in thread
From: kernel test robot @ 2023-05-28 2:35 UTC (permalink / raw)
To: Josh Poimboeuf; +Cc: oe-kbuild-all, linux-kernel, x86, Miroslav Benes
tree: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git objtool/core
head: 6245ce4ab670166efcdae843c35c14e4c0811aa3
commit: fedb724c3db5490234ddde0103811c28c2fedae0 [8/12] objtool: Detect missing __noreturn annotations
config: x86_64-randconfig-x085-20230528 (https://download.01.org/0day-ci/archive/20230528/202305281037.3PaI3tW4-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.3.0-12) 11.3.0
reproduce (this is a W=1 build):
# https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=fedb724c3db5490234ddde0103811c28c2fedae0
git remote add tip https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git
git fetch --no-tags tip objtool/core
git checkout fedb724c3db5490234ddde0103811c28c2fedae0
# save the config file
mkdir build_dir && cp config build_dir/.config
make W=1 O=build_dir ARCH=x86_64 olddefconfig
make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash
If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202305281037.3PaI3tW4-lkp@intel.com/
All warnings (new ones prefixed by >>):
>> vmlinux.o: warning: objtool: do_arch_prctl_common+0xf4: preempt_schedule_thunk() is missing a __noreturn annotation
>> vmlinux.o: warning: objtool: raise_mce+0x380: preempt_schedule_thunk() is missing a __noreturn annotation
>> vmlinux.o: warning: objtool: unwind_next_frame+0x11e4: preempt_schedule_thunk() is missing a __noreturn annotation
>> vmlinux.o: warning: objtool: process_one_work+0x942: preempt_schedule_notrace_thunk() is missing a __noreturn annotation
>> vmlinux.o: warning: objtool: __kthread_parkme+0x14a: preempt_schedule_thunk() is missing a __noreturn annotation
>> vmlinux.o: warning: objtool: __sched_setscheduler+0xf54: preempt_schedule_thunk() is missing a __noreturn annotation
>> vmlinux.o: warning: objtool: rt_mutex_setprio+0x6e5: preempt_schedule_thunk() is missing a __noreturn annotation
>> vmlinux.o: warning: objtool: __down_read_trylock+0x269: preempt_schedule_thunk() is missing a __noreturn annotation
>> vmlinux.o: warning: objtool: __up_write+0x405: preempt_schedule_thunk() is missing a __noreturn annotation
>> vmlinux.o: warning: objtool: __up_read+0x536: preempt_schedule_thunk() is missing a __noreturn annotation
>> vmlinux.o: warning: objtool: __percpu_rwsem_trylock+0x3e: preempt_schedule_thunk() is missing a __noreturn annotation
>> vmlinux.o: warning: objtool: __sync_rcu_exp_select_node_cpus+0x41d: preempt_schedule_thunk() is missing a __noreturn annotation
>> vmlinux.o: warning: objtool: __symbol_get+0xd9: preempt_schedule_thunk() is missing a __noreturn annotation
>> vmlinux.o: warning: objtool: lookup_module_symbol_name+0x118: preempt_schedule_thunk() is missing a __noreturn annotation
>> vmlinux.o: warning: objtool: lookup_module_symbol_attrs+0x142: preempt_schedule_thunk() is missing a __noreturn annotation
>> vmlinux.o: warning: objtool: show_kprobe_addr+0x134: preempt_schedule_thunk() is missing a __noreturn annotation
>> vmlinux.o: warning: objtool: __trace_event_discard_commit+0x47: preempt_schedule_notrace_thunk() is missing a __noreturn annotation
>> vmlinux.o: warning: objtool: __ftrace_trace_stack+0x1da: preempt_schedule_notrace_thunk() is missing a __noreturn annotation
>> vmlinux.o: warning: objtool: ftrace_trace_userstack+0x246: preempt_schedule_notrace_thunk() is missing a __noreturn annotation
>> vmlinux.o: warning: objtool: __trace_array_puts+0x2e2: preempt_schedule_notrace_thunk() is missing a __noreturn annotation
vmlinux.o: warning: objtool: __trace_bputs+0x19c: preempt_schedule_notrace_thunk() is missing a __noreturn annotation
vmlinux.o: warning: objtool: __trace_array_vprintk+0x1d5: preempt_schedule_notrace_thunk() is missing a __noreturn annotation
vmlinux.o: warning: objtool: tracing_mark_raw_write+0x2bd: preempt_schedule_notrace_thunk() is missing a __noreturn annotation
vmlinux.o: warning: objtool: tracing_mark_write+0x4b2: preempt_schedule_notrace_thunk() is missing a __noreturn annotation
vmlinux.o: warning: objtool: trace_buffered_event_enable+0x193: preempt_schedule_thunk() is missing a __noreturn annotation
vmlinux.o: warning: objtool: trace_buffer_unlock_commit_regs+0xab: preempt_schedule_notrace_thunk() is missing a __noreturn annotation
vmlinux.o: warning: objtool: trace_buffer_unlock_commit_nostack+0x9c: preempt_schedule_notrace_thunk() is missing a __noreturn annotation
vmlinux.o: warning: objtool: trace_function+0x1a9: preempt_schedule_notrace_thunk() is missing a __noreturn annotation
vmlinux.o: warning: objtool: trace_last_func_repeats+0x27a: preempt_schedule_notrace_thunk() is missing a __noreturn annotation
vmlinux.o: warning: objtool: trace_vbprintk+0x225: preempt_schedule_notrace_thunk() is missing a __noreturn annotation
vmlinux.o: warning: objtool: user_event_ftrace+0x303: preempt_schedule_notrace_thunk() is missing a __noreturn annotation
vmlinux.o: warning: objtool: rethook_flush_task+0xb3: preempt_schedule_thunk() is missing a __noreturn annotation
vmlinux.o: warning: objtool: irq_work_queue+0x35f: preempt_schedule_thunk() is missing a __noreturn annotation
vmlinux.o: warning: objtool: bpf_bprintf_prepare+0x1e1: preempt_schedule_thunk() is missing a __noreturn annotation
vmlinux.o: warning: objtool: htab_lock_bucket+0x118: preempt_schedule_thunk() is missing a __noreturn annotation
vmlinux.o: warning: objtool: bp_constraints_lock+0x107: preempt_schedule_thunk() is missing a __noreturn annotation
vmlinux.o: warning: objtool: folio_deactivate+0x15a: preempt_schedule_thunk() is missing a __noreturn annotation
vmlinux.o: warning: objtool: rmqueue_pcplist.constprop.0+0x7f: preempt_schedule_thunk() is missing a __noreturn annotation
vmlinux.o: warning: objtool: free_unref_page+0x170: preempt_schedule_thunk() is missing a __noreturn annotation
vmlinux.o: warning: objtool: free_unref_page_list+0x30c: preempt_schedule_thunk() is missing a __noreturn annotation
vmlinux.o: warning: objtool: __kmem_cache_alloc_bulk+0xf8: preempt_schedule_thunk() is missing a __noreturn annotation
vmlinux.o: warning: objtool: iput+0x287: preempt_schedule_notrace_thunk() is missing a __noreturn annotation
vmlinux.o: warning: objtool: wb_workfn+0x3f5: preempt_schedule_notrace_thunk() is missing a __noreturn annotation
vmlinux.o: warning: objtool: __break_lease+0x889: preempt_schedule_notrace_thunk() is missing a __noreturn annotation
vmlinux.o: warning: objtool: __i2c_transfer+0x346: preempt_schedule_notrace_thunk() is missing a __noreturn annotation
vmlinux.o: warning: objtool: __i2c_smbus_xfer+0x3a8: preempt_schedule_notrace_thunk() is missing a __noreturn annotation
vmlinux.o: warning: objtool: edac_raw_mc_handle_error+0xc16: preempt_schedule_thunk() is missing a __noreturn annotation
vmlinux.o: warning: objtool: iptunnel_xmit+0x6df: preempt_schedule_thunk() is missing a __noreturn annotation
vmlinux.o: warning: objtool: native_sched_clock+0xd0: preempt_schedule_notrace_thunk() is missing a __noreturn annotation
objdump-func vmlinux.o do_arch_prctl_common:
0000 0000000000078edd <do_arch_prctl_common>:
0000 78edd: f3 0f 1e fa endbr64
0004 78ee1: e8 00 00 00 00 call 78ee6 <do_arch_prctl_common+0x9> 78ee2: R_X86_64_PLT32 __fentry__-0x4
0009 78ee6: 55 push %rbp
000a 78ee7: 41 50 push %r8
000c 78ee9: 81 ff 12 10 00 00 cmp $0x1012,%edi
0012 78eef: 74 43 je 78f34 <do_arch_prctl_common+0x57>
0014 78ef1: 7f 2b jg 78f1e <do_arch_prctl_common+0x41>
0016 78ef3: 81 ff 11 10 00 00 cmp $0x1011,%edi
001c 78ef9: 0f 85 d4 00 00 00 jne 78fd3 <do_arch_prctl_common+0xf6>
0022 78eff: be 0f 00 00 00 mov $0xf,%esi
0027 78f04: 48 8b 3c 25 00 00 00 00 mov 0x0,%rdi 78f08: R_X86_64_32S pcpu_hot
002f 78f0c: e8 30 e6 ff ff call 77541 <test_ti_thread_flag>
0034 78f11: 85 c0 test %eax,%eax
0036 78f13: 0f 94 c0 sete %al
0039 78f16: 0f b6 c0 movzbl %al,%eax
003c 78f19: e9 bc 00 00 00 jmp 78fda <do_arch_prctl_common+0xfd>
0041 78f1e: 8d 87 df ef ff ff lea -0x1021(%rdi),%eax
0047 78f24: 83 f8 04 cmp $0x4,%eax
004a 78f27: 0f 87 a6 00 00 00 ja 78fd3 <do_arch_prctl_common+0xf6>
0050 78f2d: 59 pop %rcx
0051 78f2e: 5d pop %rbp
0052 78f2f: e9 00 00 00 00 jmp 78f34 <do_arch_prctl_common+0x57> 78f30: R_X86_64_PLT32 fpu_xstate_prctl-0x4
0057 78f34: 48 c7 c0 00 00 00 00 mov $0x0,%rax 78f37: R_X86_64_32S boot_cpu_data+0x40
005e 78f3b: ba ff ff 37 00 mov $0x37ffff,%edx
0063 78f40: 48 c1 e8 03 shr $0x3,%rax
0067 78f44: 48 c1 e2 2a shl $0x2a,%rdx
006b 78f48: 80 3c 10 00 cmpb $0x0,(%rax,%rdx,1)
006f 78f4c: 74 14 je 78f62 <do_arch_prctl_common+0x85>
0071 78f4e: 48 c7 c7 00 00 00 00 mov $0x0,%rdi 78f51: R_X86_64_32S boot_cpu_data+0x40
0078 78f55: 48 89 34 24 mov %rsi,(%rsp)
007c 78f59: e8 00 00 00 00 call 78f5e <do_arch_prctl_common+0x81> 78f5a: R_X86_64_PLT32 __asan_report_load8_noabort-0x4
0081 78f5e: 48 8b 34 24 mov (%rsp),%rsi
0085 78f62: 48 8b 15 00 00 00 00 mov 0x0(%rip),%rdx # 78f69 <do_arch_prctl_common+0x8c> 78f65: R_X86_64_PC32 boot_cpu_data+0x3c
008c 78f69: 48 c7 c0 ed ff ff ff mov $0xffffffffffffffed,%rax
0093 78f70: 48 0f ba e2 21 bt $0x21,%rdx
0098 78f75: 73 63 jae 78fda <do_arch_prctl_common+0xfd>
009a 78f77: 48 85 f6 test %rsi,%rsi
009d 78f7a: 74 09 je 78f85 <do_arch_prctl_common+0xa8>
009f 78f7c: e8 a9 e6 ff ff call 7762a <enable_cpuid>
00a4 78f81: 31 c0 xor %eax,%eax
00a6 78f83: eb 55 jmp 78fda <do_arch_prctl_common+0xfd>
00a8 78f85: bf 01 00 00 00 mov $0x1,%edi
00ad 78f8a: e8 00 00 00 00 call 78f8f <do_arch_prctl_common+0xb2> 78f8b: R_X86_64_PLT32 preempt_count_add-0x4
00b2 78f8f: be 08 00 00 00 mov $0x8,%esi
00b7 78f94: 48 8b 2c 25 00 00 00 00 mov 0x0,%rbp 78f98: R_X86_64_32S pcpu_hot
00bf 78f9c: 48 89 ef mov %rbp,%rdi
00c2 78f9f: e8 00 00 00 00 call 78fa4 <do_arch_prctl_common+0xc7> 78fa0: R_X86_64_PLT32 __kasan_check_write-0x4
00c7 78fa4: 48 0f ba 6d 00 0f btsq $0xf,0x0(%rbp)
00cd 78faa: 72 0a jb 78fb6 <do_arch_prctl_common+0xd9>
00cf 78fac: bf 01 00 00 00 mov $0x1,%edi
00d4 78fb1: e8 4c e6 ff ff call 77602 <set_cpuid_faulting>
00d9 78fb6: bf 01 00 00 00 mov $0x1,%edi
00de 78fbb: e8 00 00 00 00 call 78fc0 <do_arch_prctl_common+0xe3> 78fbc: R_X86_64_PLT32 preempt_count_sub-0x4
00e3 78fc0: 31 c0 xor %eax,%eax
00e5 78fc2: 8b 15 00 00 00 00 mov 0x0(%rip),%edx # 78fc8 <do_arch_prctl_common+0xeb> 78fc4: R_X86_64_PC32 pcpu_hot+0x4
00eb 78fc8: 85 d2 test %edx,%edx
00ed 78fca: 75 0e jne 78fda <do_arch_prctl_common+0xfd>
00ef 78fcc: e8 00 00 00 00 call 78fd1 <do_arch_prctl_common+0xf4> 78fcd: R_X86_64_PLT32 preempt_schedule_thunk-0x4
00f4 78fd1: eb 07 jmp 78fda <do_arch_prctl_common+0xfd>
00f6 78fd3: 48 c7 c0 ea ff ff ff mov $0xffffffffffffffea,%rax
00fd 78fda: 5a pop %rdx
00fe 78fdb: 5d pop %rbp
00ff 78fdc: 31 d2 xor %edx,%edx
0101 78fde: 31 c9 xor %ecx,%ecx
0103 78fe0: 31 f6 xor %esi,%esi
0105 78fe2: 31 ff xor %edi,%edi
0107 78fe4: 45 31 c0 xor %r8d,%r8d
010a 78fe7: e9 00 00 00 00 jmp 78fec <fpu__init_cpu> 78fe8: R_X86_64_PLT32 __x86_return_thunk-0x4
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [tip:objtool/core 8/12] vmlinux.o: warning: objtool: do_arch_prctl_common+0xf4: preempt_schedule_thunk() is missing a __noreturn annotation
2023-05-28 2:35 [tip:objtool/core 8/12] vmlinux.o: warning: objtool: do_arch_prctl_common+0xf4: preempt_schedule_thunk() is missing a __noreturn annotation kernel test robot
@ 2023-05-30 23:09 ` Josh Poimboeuf
0 siblings, 0 replies; 2+ messages in thread
From: Josh Poimboeuf @ 2023-05-30 23:09 UTC (permalink / raw)
To: kernel test robot; +Cc: oe-kbuild-all, linux-kernel, x86, Miroslav Benes
On Sun, May 28, 2023 at 10:35:24AM +0800, kernel test robot wrote:
> tree: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git objtool/core
> head: 6245ce4ab670166efcdae843c35c14e4c0811aa3
> commit: fedb724c3db5490234ddde0103811c28c2fedae0 [8/12] objtool: Detect missing __noreturn annotations
> config: x86_64-randconfig-x085-20230528 (https://download.01.org/0day-ci/archive/20230528/202305281037.3PaI3tW4-lkp@intel.com/config)
> compiler: gcc-11 (Debian 11.3.0-12) 11.3.0
> reproduce (this is a W=1 build):
> # https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=fedb724c3db5490234ddde0103811c28c2fedae0
> git remote add tip https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git
> git fetch --no-tags tip objtool/core
> git checkout fedb724c3db5490234ddde0103811c28c2fedae0
> # save the config file
> mkdir build_dir && cp config build_dir/.config
> make W=1 O=build_dir ARCH=x86_64 olddefconfig
> make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash
>
> If you fix the issue, kindly add following tag where applicable
> | Reported-by: kernel test robot <lkp@intel.com>
> | Closes: https://lore.kernel.org/oe-kbuild-all/202305281037.3PaI3tW4-lkp@intel.com/
>
> All warnings (new ones prefixed by >>):
>
> >> vmlinux.o: warning: objtool: do_arch_prctl_common+0xf4: preempt_schedule_thunk() is missing a __noreturn annotation
I sent a patch for this one here:
https://lkml.kernel.org/lkml/46aa8aeb716f302e22e1673ae15ee6fe050b41f4.1685488050.git.jpoimboe@kernel.org
--
Josh
^ permalink raw reply [flat|nested] 2+ messages in thread
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2023-05-28 2:35 [tip:objtool/core 8/12] vmlinux.o: warning: objtool: do_arch_prctl_common+0xf4: preempt_schedule_thunk() is missing a __noreturn annotation kernel test robot
2023-05-30 23:09 ` Josh Poimboeuf
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