In perl 5.26.0-5:
(gdb) print PL_sig_name
$2 = {0x2fdbfe "ZERO", 0x2fdc03 "HUP", 0x291cb1 "INT", 0x2fdc07 "QUIT",
0x2fdc1f "ILL", 0x2fdc0c "TRAP", 0x2fdc11 "ABRT", 0x2fdc16 "BUS",
0x2fdc1a "FPE", 0x2fdc1e "KILL", 0x2fdc23 "USR1", 0x2fdc28 "SEGV",
0x2fdc2d "USR2", 0x2fdc32 "PIPE", 0x2fdc62 "ALRM", 0x294ac5 "TERM",
0x2fdc37 "STKFLT", 0x2ba573 "CHLD", 0x2fdc3e "CONT", 0x2b81b8 "STOP",
0x2fdc43 "TSTP", 0x2fdc48 "TTIN", 0x2fdc4d "TTOU", 0x2fdc52 "URG",
0x2fdc56 "XCPU", 0x2fdc5b "XFSZ", 0x2fdc60 "VTALRM", 0x2fdc67 "PROF",
0x2fdc6c "WINCH", 0x2fdef1 "IO", 0x2fdc72 "PWR", 0x2fdc76 "SYS",
0x2fdc7a "NUM32", 0x2fdc80 "NUM33", 0x2fdc86 "RTMIN", 0x2fdc8c "NUM35",
0x2fdc92 "NUM36", 0x2fdc98 "NUM37", 0x2fdc9e "NUM38", 0x2fdca4 "NUM39",
0x2fdcaa "NUM40", 0x2fdcb0 "NUM41", 0x2fdcb6 "NUM42", 0x2fdcbc "NUM43",
0x2fdcc2 "NUM44", 0x2fdcc8 "NUM45", 0x2fdcce "NUM46", 0x2fdcd4 "NUM47",
0x2fdcda "NUM48", 0x2fdce0 "NUM49", 0x2fdce6 "NUM50", 0x2fdcec "NUM51",
0x2fdcf2 "NUM52", 0x2fdcf8 "NUM53", 0x2fdcfe "NUM54", 0x2fdd04 "NUM55",
0x2fdd0a "NUM56", 0x2fdd10 "NUM57", 0x2fdd16 "NUM58", 0x2fdd1c "NUM59",
0x2fdd22 "NUM60", 0x2fdd28 "NUM61", 0x2fdd2e "NUM62", 0x2fdd34 "NUM63",
0x2fdd3a "RTMAX", 0x2fdd40 "IOT", 0x2ba578 "CLD", 0x2fdd44 "POLL",
0x2fdd49 "UNUSED", 0x0}
(gdb) quit
In perl 5.26.0-7:
(gdb) print PL_sig_name
$6 = {0x55555585d37e "ZERO", 0x55555585d383 "HUP", 0x5555557e6da8 "INT",
0x55555585d387 "QUIT", 0x55555585d39f "ILL", 0x55555585d38c "TRAP",
0x55555585d391 "ABRT", 0x55555585d396 "BUS", 0x55555585d39a "FPE",
0x55555585d39e "KILL", 0x55555585d3a3 "USR1", 0x55555585d3a8 "SEGV",
0x55555585d3ad "USR2", 0x55555585d3b2 "PIPE", 0x55555585d3e7 "ALRM",
0x5555557eb48a "TERM", 0x55555585d3b7 "STKFLT", 0x55555585d3be "CHLD",
0x55555585d3c3 "CONT", 0x555555813492 "STOP", 0x55555585d3c8 "TSTP",
0x55555585d3cd "TTIN", 0x55555585d3d2 "TTOU", 0x55555585d3d7 "URG",
0x55555585d3db "XCPU", 0x55555585d3e0 "XFSZ", 0x55555585d3e5 "VTALRM",
0x55555585d3ec "PROF", 0x55555585d3f1 "WINCH", 0x55555585d671 "IO",
0x55555585d3f7 "PWR", 0x55555585d3fb "SYS", 0x55555585d3ff "NUM32",
0x55555585d405 "NUM33", 0x55555585d40b "RTMIN", 0x55555585d411 "NUM35",
0x55555585d417 "NUM36", 0x55555585d41d "NUM37", 0x55555585d423 "NUM38",
0x55555585d429 "NUM39", 0x55555585d42f "NUM40", 0x55555585d435 "NUM41",
0x55555585d43b "NUM42", 0x55555585d441 "NUM43", 0x55555585d447 "NUM44",
0x55555585d44d "NUM45", 0x55555585d453 "NUM46", 0x55555585d459 "NUM47",
0x55555585d45f "NUM48", 0x55555585d465 "NUM49", 0x55555585d46b "NUM50",
0x55555585d471 "NUM51", 0x55555585d477 "NUM52", 0x55555585d47d "NUM53",
0x55555585d483 "NUM54", 0x55555585d489 "NUM55", 0x55555585d48f "NUM56",
0x55555585d495 "NUM57", 0x55555585d49b "NUM58", 0x55555585d4a1 "NUM59",
0x55555585d4a7 "NUM60", 0x55555585d4ad "NUM61", 0x55555585d4b3 "NUM62",
0x55555585d4b9 "NUM63", 0x55555585d4bf "RTMAX", 0x55555585d4c5 "IOT",
0x5555558158a0 "CLD", 0x55555585d4c9 "POLL", 0x0}
(gdb)
I don't know why the table got one shorter, but since this wasn't a
sourceful change in perl, I suspect it was a change induced by glibc
2.26.
** Also affects: glibc (Ubuntu)
Importance: Undecided
Status: New
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Touch seeded packages, which is subscribed to perl in Ubuntu.
https://bugs.launchpad.net/bugs/1717367
Title:
FTBFS: segfaults in testsuite with perl 5.26.0-7
Status in glibc package in Ubuntu:
New
Status in libanyevent-perl package in Ubuntu:
New
Status in perl package in Ubuntu:
New
Bug description:
The autopkgtests segfault against perl 5.26.0-7 in Ubuntu, and the new
version of the package also fails to build in -proposed because the
tests are segfaulting at package build time.
$ perl ./t/02_signals.t
1..5
ok 1
Segmentation fault (core dumped)
$ gdb --args perl ./t/02_signals.t
GNU gdb (Ubuntu 8.0.1-0ubuntu1) 8.0.1
Copyright (C) 2017 Free Software Foundation, Inc.
[...]
(gdb) run
Starting program: /usr/bin/perl ./t/02_signals.t
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
1..5
ok 1
Program received signal SIGSEGV, Segmentation fault.
0x00007ffff738811e in ?? () from /lib/x86_64-linux-gnu/libc.so.6
(gdb) bt
#0 0x00007ffff738811e in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#1 0x00007ffff626591d in ?? ()
from /usr/lib/x86_64-linux-gnu/perl5/5.26/auto/Async/Interrupt/Interrupt.so
#2 0x00007ffff62672a9 in ?? ()
from /usr/lib/x86_64-linux-gnu/perl5/5.26/auto/Async/Interrupt/Interrupt.so
#3 0x000055555562fab1 in Perl_pp_entersub ()
#4 0x00005555556278e6 in Perl_runops_standard ()
#5 0x00005555555a8d87 in perl_run ()
#6 0x0000555555580332 in main ()
(gdb)
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