* [Bug default/25456] [dwz, low-mem, fixed-needs-testcase] segfault in die_cu
2020-01-01 0:00 [Bug default/25456] New: [dwz, low-mem] segfault in die_cu vries at gcc dot gnu.org
` (2 preceding siblings ...)
2020-01-01 0:00 ` vries at gcc dot gnu.org
@ 2020-01-01 0:00 ` vries at gcc dot gnu.org
2021-03-02 7:59 ` vries at gcc dot gnu.org
4 siblings, 0 replies; 6+ messages in thread
From: vries at gcc dot gnu.org @ 2020-01-01 0:00 UTC (permalink / raw)
To: dwz
https://sourceware.org/bugzilla/show_bug.cgi?id=25456
Tom de Vries <vries at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|[dwz, low-mem] segfault in |[dwz, low-mem,
|die_cu |fixed-needs-testcase]
| |segfault in die_cu
--- Comment #4 from Tom de Vries <vries at gcc dot gnu.org> ---
(In reply to Tom de Vries from comment #3)
> https://sourceware.org/git/?p=dwz.git;a=commit;
> h=e2c440efe9deb1cbdea1fe964223d8eccd88422b
Fixed but not closing this yet, we need a test-case.
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* [Bug default/25456] [dwz, low-mem] segfault in die_cu
2020-01-01 0:00 [Bug default/25456] New: [dwz, low-mem] segfault in die_cu vries at gcc dot gnu.org
@ 2020-01-01 0:00 ` vries at gcc dot gnu.org
2020-01-01 0:00 ` vries at gcc dot gnu.org
` (3 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: vries at gcc dot gnu.org @ 2020-01-01 0:00 UTC (permalink / raw)
To: dwz
https://sourceware.org/bugzilla/show_bug.cgi?id=25456
--- Comment #3 from Tom de Vries <vries at gcc dot gnu.org> ---
https://sourceware.org/git/?p=dwz.git;a=commit;h=e2c440efe9deb1cbdea1fe964223d8eccd88422b
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* [Bug default/25456] [dwz, low-mem] segfault in die_cu
2020-01-01 0:00 [Bug default/25456] New: [dwz, low-mem] segfault in die_cu vries at gcc dot gnu.org
2020-01-01 0:00 ` [Bug default/25456] " vries at gcc dot gnu.org
2020-01-01 0:00 ` vries at gcc dot gnu.org
@ 2020-01-01 0:00 ` vries at gcc dot gnu.org
2020-01-01 0:00 ` [Bug default/25456] [dwz, low-mem, fixed-needs-testcase] " vries at gcc dot gnu.org
2021-03-02 7:59 ` vries at gcc dot gnu.org
4 siblings, 0 replies; 6+ messages in thread
From: vries at gcc dot gnu.org @ 2020-01-01 0:00 UTC (permalink / raw)
To: dwz
https://sourceware.org/bugzilla/show_bug.cgi?id=25456
--- Comment #2 from Tom de Vries <vries at gcc dot gnu.org> ---
(In reply to Tom de Vries from comment #1)
> (In reply to Tom de Vries from comment #0)
>
> > dwz clang-offload-bundler-10.debug
FTR, the test-case is derived from
clang-offload-bundler-10.0.0-0.20190817snap5.fc30.x86_64.debug provided in
PR25024. Unfortunately, I have no recollection of how I turned the original
into this test-case (though presumably, dwz was involved).
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* [Bug default/25456] New: [dwz, low-mem] segfault in die_cu
@ 2020-01-01 0:00 vries at gcc dot gnu.org
2020-01-01 0:00 ` [Bug default/25456] " vries at gcc dot gnu.org
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0 siblings, 5 replies; 6+ messages in thread
From: vries at gcc dot gnu.org @ 2020-01-01 0:00 UTC (permalink / raw)
To: dwz
https://sourceware.org/bugzilla/show_bug.cgi?id=25456
Bug ID: 25456
Summary: [dwz, low-mem] segfault in die_cu
Product: dwz
Version: unspecified
Status: NEW
Severity: normal
Priority: P2
Component: default
Assignee: nobody at sourceware dot org
Reporter: vries at gcc dot gnu.org
CC: dwz at sourceware dot org
Target Milestone: ---
Segfault in low-mem mode:
...
$ dwz clang-offload-bundler-10.debug
dwz: clang-offload-bundler-10.debug: Couldn't find DIE referenced by
DW_OP_GNU_implicit_pointer
$ dwz clang-offload-bundler-10.debug -l0
Segmentation fault (core dumped)
...
Backtrace:
...
Program received signal SIGSEGV, Segmentation fault.
die_cu (die=0x0) at /data/dwz/dwz.git/dwz.c:984
984 while (!die->die_root)
Missing separate debuginfos, use: zypper install
libelf1-debuginfo-0.168-lp151.4.3.1.x86_64
libz1-debuginfo-1.2.11-lp151.5.3.1.x86_64
(gdb) bt
#0 die_cu (die=0x0) at /data/dwz/dwz.git/dwz.c:984
#1 read_exprloc (dso=dso@entry=0x631660, die=die@entry=0x7fffeeb1efe8,
ptr=0x7ffff270f439 "",
len=<optimized out>, need_adjust=need_adjust@entry=0x7fffffffd29f) at
/data/dwz/dwz.git/dwz.c:1918
#2 0x000000000040e550 in read_loclist (dso=dso@entry=0x631660,
die=die@entry=0x7fffeeb1efe8,
offset=<optimized out>) at /data/dwz/dwz.git/dwz.c:2427
#3 0x000000000040ef75 in checksum_die (dso=<optimized out>, cu=<optimized
out>, top_die=<optimized out>,
die=0x7fffeeb1efe8) at /data/dwz/dwz.git/dwz.c:2672
#4 0x000000000040ea1d in checksum_die (dso=<optimized out>, cu=<optimized
out>, top_die=<optimized out>,
die=0x7fffeeb1f1e0) at /data/dwz/dwz.git/dwz.c:3028
#5 0x000000000040ea1d in checksum_die (dso=<optimized out>, cu=<optimized
out>, top_die=<optimized out>,
die=0x7fffeb7c07f8) at /data/dwz/dwz.git/dwz.c:3028
#6 0x000000000040ea1d in checksum_die (dso=<optimized out>, cu=<optimized
out>, top_die=<optimized out>,
die=0x7fffeb7bee30) at /data/dwz/dwz.git/dwz.c:3028
#7 0x0000000000412e23 in read_debug_info (dso=dso@entry=0x631660,
kind=kind@entry=0,
die_count=die_count@entry=0x400000000) at /data/dwz/dwz.git/dwz.c:6170
#8 0x0000000000413e1f in read_dwarf (dso=dso@entry=0x631660,
quieter=<optimized out>, die_count=0x400000000,
die_count@entry=0x0) at /data/dwz/dwz.git/dwz.c:12066
#9 0x000000000041a4b8 in dwz (file=file@entry=0x7fffffffe106
"clang-offload-bundler-10.debug",
outfile=outfile@entry=0x7fffffffe128 "1", res=res@entry=0x7fffffffdab0,
resa=resa@entry=0x0,
files=files@entry=0x0) at /data/dwz/dwz.git/dwz.c:13629
#10 0x000000000040428c in main (argc=5, argv=<optimized out>) at
/data/dwz/dwz.git/dwz.c:14882
...
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* [Bug default/25456] [dwz, low-mem] segfault in die_cu
2020-01-01 0:00 [Bug default/25456] New: [dwz, low-mem] segfault in die_cu vries at gcc dot gnu.org
2020-01-01 0:00 ` [Bug default/25456] " vries at gcc dot gnu.org
@ 2020-01-01 0:00 ` vries at gcc dot gnu.org
2020-01-01 0:00 ` vries at gcc dot gnu.org
` (2 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: vries at gcc dot gnu.org @ 2020-01-01 0:00 UTC (permalink / raw)
To: dwz
https://sourceware.org/bugzilla/show_bug.cgi?id=25456
--- Comment #1 from Tom de Vries <vries at gcc dot gnu.org> ---
(In reply to Tom de Vries from comment #0)
> dwz clang-offload-bundler-10.debug
http://ftp.suse.com/pub/people/tdevries/clang-offload-bundler-10.debug.xz
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* [Bug default/25456] [dwz, low-mem, fixed-needs-testcase] segfault in die_cu
2020-01-01 0:00 [Bug default/25456] New: [dwz, low-mem] segfault in die_cu vries at gcc dot gnu.org
` (3 preceding siblings ...)
2020-01-01 0:00 ` [Bug default/25456] [dwz, low-mem, fixed-needs-testcase] " vries at gcc dot gnu.org
@ 2021-03-02 7:59 ` vries at gcc dot gnu.org
4 siblings, 0 replies; 6+ messages in thread
From: vries at gcc dot gnu.org @ 2021-03-02 7:59 UTC (permalink / raw)
To: dwz
https://sourceware.org/bugzilla/show_bug.cgi?id=25456
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> ---
Still no test-case, but marking as fixed.
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