https://bugs.kde.org/show_bug.cgi?id=405295
--- Comment #10 from zephyrus00jp <ishik...@yk.rim.or.jp> ---
Now I realize that where the ordinary user receives mysterious segmentation
error message (not even caught by valgrind and the remote gdb session to vgdb
of valgrind is terminated) is the following position marked as (*) in the
snippet of log from the valgrind+thunderbird log that appears near the
beginning.
So maybe extending stack as an ordinary user is not allowed under Debian
GNU/Linux stock kernel (???)
Log snippet
... lots of messages regarding reading dynamic shared libraries and their
symbols.
--30306-- Reading syms from /usr/lib/x86_64-linux-gnu/libICE.so.6.3.0
--30306-- object doesn't have a symbol table
--30306-- REDIR: 0x4d582d0 (libc.so.6:__rawmemchr_avx2) redirected to 0x483a8d0
(rawmemchr)
--30306-- sys_sigaction: sigNo 13, new 0x1ffeffd6b0, old 0x0, new flags
0x400000
0
**** I don't see the following line and subsequent lines as an ordinary user.
I see "Segmentation Error" here.
--30306-- sync signal handler: signal=11, si_code=1, EIP=0x4c5280a,
eip=0x1004db
f881, from kernel
--30306-- SIGSEGV: si_code=1 faultaddr=0x1ffeffad40 tid=1 ESP=0x1ffeffac40
seg=0
x1ffe801000-0x1ffeffbfff
--30306-- -> extended stack base to 0x1ffeffa000
--30306-- REDIR: 0x4d5bdb0 (libc.so.6:__strchrnul_avx2) redirected to 0x483a8a0
(strchrnul)
[30306, Unnamed thread 4e45880] WARNING: XPCOM objects created/destroyed from
st
atic ctor/dtor: file /NREF-COMM-CENTRAL/mozilla/xpcom/base/nsTraceRefcnt.cpp,
li
ne 198
... normal valgrind messages ....
TIA
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