* [Bug default/26738] New: .debug_line reference above end of section
@ 2020-10-15 15:56 doko at debian dot org
2020-10-15 15:57 ` [Bug default/26738] " doko at debian dot org
` (6 more replies)
0 siblings, 7 replies; 8+ messages in thread
From: doko at debian dot org @ 2020-10-15 15:56 UTC (permalink / raw)
To: dwz
https://sourceware.org/bugzilla/show_bug.cgi?id=26738
Bug ID: 26738
Summary: .debug_line reference above end of section
Product: dwz
Version: unspecified
Status: NEW
Severity: normal
Priority: P2
Component: default
Assignee: nobody at sourceware dot org
Reporter: doko at debian dot org
CC: dwz at sourceware dot org
Target Milestone: ---
Created attachment 12902
--> https://sourceware.org/bugzilla/attachment.cgi?id=12902&action=edit
test case
this is seen on mipsel-linux-gnu, not on other archs, and not on
mips64el-linux-gnu. seen both with 0.13 and trunk.
../dwz-0.13+20201015/debian/dwz/usr/bin/dwz
-mdebian/python3-dbus-tests/usr/lib/debug/.dwz/mipsel-linux-gnu/python3-dbus-tests.debug
-M/usr/lib/debug/.dwz/mipsel-linux-gnu/python3-dbus-tests.debug --
debian/python3-dbus-tests/usr/lib/python3/dist-packages/dbus_py_test.cpython-38-mipsel-linux-gnu.so
debian/python3-dbus-tests/usr/lib/python3/dist-packages/dbus_py_test.cpython-39-mipsel-linux-gnu.so
debian/python3-dbus-tests/usr/libexec/installed-tests/dbus-python/python3.8/test/test-import-repeatedly
debian/python3-dbus-tests/usr/libexec/installed-tests/dbus-python/python3.9/test/test-import-repeatedly
../dwz-0.13+20201015/debian/dwz/usr/bin/dwz:
debian/python3-dbus-tests/usr/lib/python3/dist-packages/dbus_py_test.cpython-38-mipsel-linux-gnu.so:
DWARF compression not beneficial - old size 8764 new size 8764
../dwz-0.13+20201015/debian/dwz/usr/bin/dwz:
debian/python3-dbus-tests/usr/lib/python3/dist-packages/dbus_py_test.cpython-39-mipsel-linux-gnu.so:
DWARF compression not beneficial - old size 7733 new size 7733
../dwz-0.13+20201015/debian/dwz/usr/bin/dwz:
debian/python3-dbus-tests/usr/libexec/installed-tests/dbus-python/python3.8/test/test-import-repeatedly:
DWARF compression not beneficial - old size 649 new size 649
../dwz-0.13+20201015/debian/dwz/usr/bin/dwz:
debian/python3-dbus-tests/usr/libexec/installed-tests/dbus-python/python3.9/test/test-import-repeatedly:
DWARF compression not beneficial - old size 649 new size 649
../dwz-0.13+20201015/debian/dwz/usr/bin/dwz:
debian/python3-dbus-tests/usr/lib/debug/.dwz/mipsel-linux-gnu/python3-dbus-tests.debug:
.debug_line reference above end of section
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* [Bug default/26738] .debug_line reference above end of section
2020-10-15 15:56 [Bug default/26738] New: .debug_line reference above end of section doko at debian dot org
@ 2020-10-15 15:57 ` doko at debian dot org
2020-10-15 16:39 ` mark at klomp dot org
` (5 subsequent siblings)
6 siblings, 0 replies; 8+ messages in thread
From: doko at debian dot org @ 2020-10-15 15:57 UTC (permalink / raw)
To: dwz
https://sourceware.org/bugzilla/show_bug.cgi?id=26738
Matthias Klose <doko at debian dot org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target| |mipsel-linux-gnu
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* [Bug default/26738] .debug_line reference above end of section
2020-10-15 15:56 [Bug default/26738] New: .debug_line reference above end of section doko at debian dot org
2020-10-15 15:57 ` [Bug default/26738] " doko at debian dot org
@ 2020-10-15 16:39 ` mark at klomp dot org
2020-10-19 21:07 ` [Bug default/26738] .debug_line reference above end of section (mipsel) mark at klomp dot org
` (4 subsequent siblings)
6 siblings, 0 replies; 8+ messages in thread
From: mark at klomp dot org @ 2020-10-15 16:39 UTC (permalink / raw)
To: dwz
https://sourceware.org/bugzilla/show_bug.cgi?id=26738
Mark Wielaard <mark at klomp dot org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |mark at klomp dot org
--- Comment #1 from Mark Wielaard <mark at klomp dot org> ---
(In reply to Matthias Klose from comment #0)
> Created attachment 12902 [details]
> test case
>
> this is seen on mipsel-linux-gnu, not on other archs, and not on
> mips64el-linux-gnu. seen both with 0.13 and trunk.
I can replicate it with the provided reproducer.
But there is something odd with the .debug sections.
They all have an unknown section type: SHT_LOPROC+1e
And eu-readelf has trouble reading the debuginfo itself.
Do you happen to know whether mipsel-linux-gnu uses some special interpretation
of ELF/DWARF?
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* [Bug default/26738] .debug_line reference above end of section (mipsel)
2020-10-15 15:56 [Bug default/26738] New: .debug_line reference above end of section doko at debian dot org
2020-10-15 15:57 ` [Bug default/26738] " doko at debian dot org
2020-10-15 16:39 ` mark at klomp dot org
@ 2020-10-19 21:07 ` mark at klomp dot org
2021-03-02 13:20 ` vries at gcc dot gnu.org
` (3 subsequent siblings)
6 siblings, 0 replies; 8+ messages in thread
From: mark at klomp dot org @ 2020-10-19 21:07 UTC (permalink / raw)
To: dwz
https://sourceware.org/bugzilla/show_bug.cgi?id=26738
Mark Wielaard <mark at klomp dot org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|.debug_line reference above |.debug_line reference above
|end of section |end of section (mipsel)
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* [Bug default/26738] .debug_line reference above end of section (mipsel)
2020-10-15 15:56 [Bug default/26738] New: .debug_line reference above end of section doko at debian dot org
` (2 preceding siblings ...)
2020-10-19 21:07 ` [Bug default/26738] .debug_line reference above end of section (mipsel) mark at klomp dot org
@ 2021-03-02 13:20 ` vries at gcc dot gnu.org
2021-03-02 13:57 ` vries at gcc dot gnu.org
` (2 subsequent siblings)
6 siblings, 0 replies; 8+ messages in thread
From: vries at gcc dot gnu.org @ 2021-03-02 13:20 UTC (permalink / raw)
To: dwz
https://sourceware.org/bugzilla/show_bug.cgi?id=26738
Tom de Vries <vries at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |vries at gcc dot gnu.org
--- Comment #2 from Tom de Vries <vries at gcc dot gnu.org> ---
Tentative fix:
...
diff --git a/dwz.c b/dwz.c
index af1c5af..5effbc1 100644
--- a/dwz.c
+++ b/dwz.c
@@ -15150,7 +15150,7 @@ write_multifile (DSO *dso)
debug_sections[DEBUG_MACRO].new_size)
!= (ssize_t) debug_sections[DEBUG_MACRO].new_size)
|| (strp_htab != NULL && write_multifile_strp ())
- || (line_htab != NULL && write_multifile_line ()))
+ || write_multifile_line ())
{
error (0, 0, "Error writing multi-file temporary files");
ret = 1;
...
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* [Bug default/26738] .debug_line reference above end of section (mipsel)
2020-10-15 15:56 [Bug default/26738] New: .debug_line reference above end of section doko at debian dot org
` (3 preceding siblings ...)
2021-03-02 13:20 ` vries at gcc dot gnu.org
@ 2021-03-02 13:57 ` vries at gcc dot gnu.org
2021-03-04 8:18 ` vries at gcc dot gnu.org
2021-03-05 6:32 ` vries at gcc dot gnu.org
6 siblings, 0 replies; 8+ messages in thread
From: vries at gcc dot gnu.org @ 2021-03-02 13:57 UTC (permalink / raw)
To: dwz
https://sourceware.org/bugzilla/show_bug.cgi?id=26738
--- Comment #3 from Tom de Vries <vries at gcc dot gnu.org> ---
https://sourceware.org/pipermail/dwz/2021q1/001032.html
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* [Bug default/26738] .debug_line reference above end of section (mipsel)
2020-10-15 15:56 [Bug default/26738] New: .debug_line reference above end of section doko at debian dot org
` (4 preceding siblings ...)
2021-03-02 13:57 ` vries at gcc dot gnu.org
@ 2021-03-04 8:18 ` vries at gcc dot gnu.org
2021-03-05 6:32 ` vries at gcc dot gnu.org
6 siblings, 0 replies; 8+ messages in thread
From: vries at gcc dot gnu.org @ 2021-03-04 8:18 UTC (permalink / raw)
To: dwz
https://sourceware.org/bugzilla/show_bug.cgi?id=26738
--- Comment #4 from Tom de Vries <vries at gcc dot gnu.org> ---
Created attachment 13282
--> https://sourceware.org/bugzilla/attachment.cgi?id=13282&action=edit
More minimal reproducer
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* [Bug default/26738] .debug_line reference above end of section (mipsel)
2020-10-15 15:56 [Bug default/26738] New: .debug_line reference above end of section doko at debian dot org
` (5 preceding siblings ...)
2021-03-04 8:18 ` vries at gcc dot gnu.org
@ 2021-03-05 6:32 ` vries at gcc dot gnu.org
6 siblings, 0 replies; 8+ messages in thread
From: vries at gcc dot gnu.org @ 2021-03-05 6:32 UTC (permalink / raw)
To: dwz
https://sourceware.org/bugzilla/show_bug.cgi?id=26738
Tom de Vries <vries at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Resolution|--- |FIXED
Status|NEW |RESOLVED
--- Comment #5 from Tom de Vries <vries at gcc dot gnu.org> ---
Fixed in
https://sourceware.org/git/?p=dwz.git;a=commit;h=bf390b6b0a50253a719e9aefd36d8268945ef6c6
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2020-10-15 15:56 [Bug default/26738] New: .debug_line reference above end of section doko at debian dot org
2020-10-15 15:57 ` [Bug default/26738] " doko at debian dot org
2020-10-15 16:39 ` mark at klomp dot org
2020-10-19 21:07 ` [Bug default/26738] .debug_line reference above end of section (mipsel) mark at klomp dot org
2021-03-02 13:20 ` vries at gcc dot gnu.org
2021-03-02 13:57 ` vries at gcc dot gnu.org
2021-03-04 8:18 ` vries at gcc dot gnu.org
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