https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108552
--- Comment #38 from Tang, Feng ---
Created attachment 54368
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=54368&action=edit
objdump of prep_compound_page() with patch in comment 35
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108552
--- Comment #37 from Tang, Feng ---
Created attachment 54367
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=54367&action=edit
page_alloc.i with patch in comment 35
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108552
--- Comment #36 from Tang, Feng ---
(In reply to Vladimir Makarov from comment #35)
> (In reply to Jakub Jelinek from comment #34)
> > Seems right now DECL_NONALIASED is only used on these coverage vars and on
> > Fortran caf tokens, so perhaps
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108552
--- Comment #10 from Tang, Feng ---
Created attachment 54352
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=54352&action=edit
page_alloc.i.xz
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108552
--- Comment #9 from Tang, Feng ---
For original report
https://lore.kernel.org/lkml/202301170941.49728982-oliver.s...@intel.com/t/, it
was reported by Sang Oliver from 0Day team, but I failed to add him too cc
(probably due to he is not registe
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108552
--- Comment #8 from Tang, Feng ---
Created attachment 54350
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=54350&action=edit
i386 kernel config
In https://lore.kernel.org/lkml/202301170941.49728982-oliver.s...@intel.com/t/
Oliver Sang pro
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108552
--- Comment #7 from Tang, Feng ---
Created attachment 54349
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=54349&action=edit
original job-script from Oliver (0Day)
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108552
Tang, Feng changed:
What|Removed |Added
Attachment #54345|0 |1
is obsolete|
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108552
--- Comment #4 from Tang, Feng ---
(In reply to Andrew Pinski from comment #3)
> Do you have the preprocessed source that is used generate the bad object
> file?
> How about the exact command line?
Thanks for the prompt response!
The error was
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--- Comment #1 from Tang, Feng ---
Created attachment 54346
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=54346&action=edit
kernel log with error message
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108552
Bug ID: 108552
Summary: Linux i386 kernel 5.14 memory corruption for
pre_compound_page() when gcov is enabled
Product: gcc
Version: 11.3.0
Status: UNCONFIRMED
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