Bug 1807055 - LLVM x86 JIT doesn't support Intel CET
Summary: LLVM x86 JIT doesn't support Intel CET
Keywords:
Status: CLOSED CURRENTRELEASE
Alias: None
Product: Fedora
Classification: Fedora
Component: llvm
Version: 33
Hardware: Unspecified
OS: Unspecified
unspecified
unspecified
Target Milestone: ---
Assignee: Tom Stellard
QA Contact: Fedora Extras Quality Assurance
URL:
Whiteboard:
Depends On:
Blocks: 1802674
TreeView+ depends on / blocked
 
Reported: 2020-02-25 14:35 UTC by H.J. Lu
Modified: 2020-12-23 15:49 UTC (History)
10 users (show)

Fixed In Version: 11
Clone Of:
Environment:
Last Closed: 2020-12-23 15:49:48 UTC
Type: Bug
Embargoed:


Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
LLVM 45013 0 P RESOLVED X86 JIT doesn't support Intel CET 2020-12-20 18:43:46 UTC

Description H.J. Lu 2020-02-25 14:35:13 UTC
(gdb) disass 0x00007f0c40002000,+30
Dump of assembler code from 0x7f0c40002000 to 0x7f0c4000201e:
=> 0x00007f0c40002000: push   %rbp   <<<< Missing ENDBR
   0x00007f0c40002001: mov    %rsp,%rbp
   0x00007f0c40002004: push   %r15
   0x00007f0c40002006: push   %r14
   0x00007f0c40002008: push   %r13
   0x00007f0c4000200a: push   %r12
   0x00007f0c4000200c: push   %rbx
   0x00007f0c4000200d: and    $0xffffffffffffffe0,%rsp
   0x00007f0c40002011: sub    $0x60,%rsp
   0x00007f0c40002015: mov    0x30(%rbp),%r14
   0x00007f0c40002019: mov    0x10(%rbp),%rax
   0x00007f0c4000201d: lea    -0x1(%rcx),%ebx
End of assembler dump.
(gdb) bt
#0  0x00007f0c40002000 in  ()
#1  0x00007f0c69c8a106 in llvm_pipeline_generic.constprop ()
    at /usr/lib64/dri/swrast_dri.so
#2  0x00007f0c69c8a613 in llvm_middle_end_linear_run ()
    at /usr/lib64/dri/swrast_dri.so
#3  0x00007f0c69c1de3a in vsplit_run_linear () at /usr/lib64/dri/swrast_dri.so
#4  0x00007f0c69c17773 in draw_pt_arrays () at /usr/lib64/dri/swrast_dri.so
#5  0x00007f0c69c17c90 in draw_vbo () at /usr/lib64/dri/swrast_dri.so
#6  0x00007f0c693b06fb in llvmpipe_draw_vbo () at /usr/lib64/dri/swrast_dri.so
#7  0x00007f0c69c363ca in blitter_draw () at /usr/lib64/dri/swrast_dri.so
#8  0x00007f0c69c36733 in blitter_draw_tex () at /usr/lib64/dri/swrast_dri.so
#9  0x00007f0c69c36e5d in do_blits () at /usr/lib64/dri/swrast_dri.so
#10 0x00007f0c69c394e6 in util_blitter_blit_generic ()
    at /usr/lib64/dri/swrast_dri.so
#11 0x00007f0c69c3a672 in util_blitter_blit () at /usr/lib64/dri/swrast_dri.so
#12 0x00007f0c693cf8e7 in lp_blit () at /usr/lib64/dri/swrast_dri.so
#13 0x00007f0c69c3c862 in util_gen_mipmap () at /usr/lib64/dri/swrast_dri.so
#14 0x00007f0c6979b887 in st_generate_mipmap () at /usr/lib64/dri/swrast_dri.so
#15 0x00007f0c69835e9b in generate_texture_mipmap_error ()
    at /usr/lib64/dri/swrast_dri.so
#16 0x00007f0d7006f0f1 in _cogl_texture_gl_generate_mipmaps ()
    at /usr/lib64/mutter-5/libmutter-cogl-5.so.0
#17 0x00007f0d700a0e47 in _cogl_texture_2d_pre_paint ()
    at /usr/lib64/mutter-5/libmutter-cogl-5.so.0
#18 0x00007f0d700938f1 in _cogl_pipeline_layer_pre_paint ()
    at /usr/lib64/mutter-5/libmutter-cogl-5.so.0
#19 0x00007f0d70081faf in _cogl_rectangles_validate_layer_cb ()
    at /usr/lib64/mutter-5/libmutter-cogl-5.so.0
#20 0x00007f0d700904a9 in cogl_pipeline_foreach_layer ()
    at /usr/lib64/mutter-5/libmutter-cogl-5.so.0
#21 0x00007f0d700823d6 in _cogl_framebuffer_draw_multitextured_rectangles ()
    at /usr/lib64/mutter-5/libmutter-cogl-5.so.0
#22 0x00007f0d700acb66 in cogl_framebuffer_draw_textured_rectangle ()
    at /usr/lib64/mutter-5/libmutter-cogl-5.so.0
#23 0x00007f0d7061d60a in meta_background_get_texture ()
    at /lib64/libmutter-5.so.0
#24 0x00007f0d7061b1e9 in meta_background_actor_paint ()
    at /lib64/libmutter-5.so.0
#25 0x00007f0d707f2b7f in clutter_actor_continue_paint ()
    at /usr/lib64/mutter-5/libmutter-clutter-5.so.0
#26 0x00007f0d707f9d14 in clutter_actor_paint ()
    at /usr/lib64/mutter-5/libmutter-clutter-5.so.0
#27 0x00007f0d708578e2 in clutter_stage_paint ()
    at /usr/lib64/mutter-5/libmutter-clutter-5.so.0
#28 0x00007f0d70606981 in meta_stage_paint () at /lib64/libmutter-5.so.0
#29 0x00007f0d707f2b7f in clutter_actor_continue_paint ()
    at /usr/lib64/mutter-5/libmutter-clutter-5.so.0
#30 0x00007f0d707f9d14 in clutter_actor_paint ()
    at /usr/lib64/mutter-5/libmutter-clutter-5.so.0
#31 0x00007f0d7085c985 in clutter_stage_do_paint_view ()
    at /usr/lib64/mutter-5/libmutter-clutter-5.so.0
#32 0x00007f0d70606884 in meta_stage_paint_view () at /lib64/libmutter-5.so.0
#33 0x00007f0d70858cd0 in _clutter_stage_paint_view ()
    at /usr/lib64/mutter-5/libmutter-clutter-5.so.0
#34 0x00007f0d70890445 in paint_stage ()
    at /usr/lib64/mutter-5/libmutter-clutter-5.so.0
#35 0x00007f0d70890c87 in clutter_stage_cogl_redraw_view ()
    at /usr/lib64/mutter-5/libmutter-clutter-5.so.0
#36 0x00007f0d708918e3 in clutter_stage_cogl_redraw ()
    at /usr/lib64/mutter-5/libmutter-clutter-5.so.0
#37 0x00007f0d708595d3 in _clutter_stage_do_update ()
    at /usr/lib64/mutter-5/libmutter-clutter-5.so.0
#38 0x00007f0d70842509 in clutter_clock_dispatch ()
    at /usr/lib64/mutter-5/libmutter-clutter-5.so.0
--Type <RET> for more, q to quit, c to continue without paging--
#39 0x00007f0d711dd510 in g_main_context_dispatch () at /lib64/libglib-2.0.so.0
#40 0x00007f0d711dd8a0 in g_main_context_iterate.isra ()
    at /lib64/libglib-2.0.so.0
#41 0x00007f0d711ddb93 in g_main_loop_run () at /lib64/libglib-2.0.so.0
#42 0x00007f0d70640d90 in meta_run () at /lib64/libmutter-5.so.0
#43 0x000056357b2c1cad in main ()
(gdb)

Comment 1 Ben Cotton 2020-08-11 13:09:37 UTC
This bug appears to have been reported against 'rawhide' during the Fedora 33 development cycle.
Changing version to 33.

Comment 2 H.J. Lu 2020-12-23 15:49:48 UTC
Fixed as of LLVM 11.


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