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* [Bug build/25922] New: Build error: '_dl_main_map_l_relro_size_lsm.124' may be used uninitialized @ 2020-05-05 13:33 vvinayag at arm dot com 2020-05-05 13:34 ` [Bug build/25922] " vvinayag at arm dot com ` (2 more replies) 0 siblings, 3 replies; 4+ messages in thread From: vvinayag at arm dot com @ 2020-05-05 13:33 UTC (permalink / raw) To: glibc-bugs https://sourceware.org/bugzilla/show_bug.cgi?id=25922 Bug ID: 25922 Summary: Build error: '_dl_main_map_l_relro_size_lsm.124' may be used uninitialized Product: glibc Version: 2.32 Status: UNCONFIRMED Severity: normal Priority: P2 Component: build Assignee: unassigned at sourceware dot org Reporter: vvinayag at arm dot com CC: carlos at redhat dot com Target Milestone: --- Hi On a native arm-none-linux-gnueabihf environment, I am seeing this error when trying to build trunk glibc with gcc 11: arm-none-linux-gnueabihf-gcc dl-support.c -c -std=gnu11 -fgnu89-inline -g -O2 -Wall -Wwrite-strings -Wundef -Werror -fmerge-all-constants -frounding-math -fno-stack-protector -Wstrict-prototypes -Wold-style-definition -fmath-errno -fno-stack-protector -DSTACK_PROTECTOR_LEVEL=0 -ftls-model=initial-exec -o dl-support.o dl-support.c: In function '_dl_non_dynamic_init': dl-support.c:392:6: error: '_dl_main_map_l_relro_size_lsm.124' may be used uninitialized in this function [-Werror=maybe-uninitialized] 392 | if (_dl_main_map.l_relro_size != 0) | ^ The problem started between these two gcc commits: 22b6b5d6cfb76deb68ca5bc0bcae8b4245df946d and 05be85b649173b10d0bf10255eb15275c2dcf509. I am investigating further. Kind Regards Vasee -- You are receiving this mail because: You are on the CC list for the bug. ^ permalink raw reply [flat|nested] 4+ messages in thread
* [Bug build/25922] Build error: '_dl_main_map_l_relro_size_lsm.124' may be used uninitialized 2020-05-05 13:33 [Bug build/25922] New: Build error: '_dl_main_map_l_relro_size_lsm.124' may be used uninitialized vvinayag at arm dot com @ 2020-05-05 13:34 ` vvinayag at arm dot com 2020-05-05 13:59 ` fw at deneb dot enyo.de 2020-05-05 22:45 ` jsm28 at gcc dot gnu.org 2 siblings, 0 replies; 4+ messages in thread From: vvinayag at arm dot com @ 2020-05-05 13:34 UTC (permalink / raw) To: glibc-bugs https://sourceware.org/bugzilla/show_bug.cgi?id=25922 vvinayag at arm dot com changed: What |Removed |Added ---------------------------------------------------------------------------- Target| |arm-none-linux-gnueabihf Host| |arm-none-linux-gnueabihf -- You are receiving this mail because: You are on the CC list for the bug. ^ permalink raw reply [flat|nested] 4+ messages in thread
* [Bug build/25922] Build error: '_dl_main_map_l_relro_size_lsm.124' may be used uninitialized 2020-05-05 13:33 [Bug build/25922] New: Build error: '_dl_main_map_l_relro_size_lsm.124' may be used uninitialized vvinayag at arm dot com 2020-05-05 13:34 ` [Bug build/25922] " vvinayag at arm dot com @ 2020-05-05 13:59 ` fw at deneb dot enyo.de 2020-05-05 22:45 ` jsm28 at gcc dot gnu.org 2 siblings, 0 replies; 4+ messages in thread From: fw at deneb dot enyo.de @ 2020-05-05 13:59 UTC (permalink / raw) To: glibc-bugs https://sourceware.org/bugzilla/show_bug.cgi?id=25922 Florian Weimer <fw at deneb dot enyo.de> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |fw at deneb dot enyo.de --- Comment #1 from Florian Weimer <fw at deneb dot enyo.de> --- This looks like a GCC bug. _dl_main_map has static storage duration, so it is always initialized. -- You are receiving this mail because: You are on the CC list for the bug. ^ permalink raw reply [flat|nested] 4+ messages in thread
* [Bug build/25922] Build error: '_dl_main_map_l_relro_size_lsm.124' may be used uninitialized 2020-05-05 13:33 [Bug build/25922] New: Build error: '_dl_main_map_l_relro_size_lsm.124' may be used uninitialized vvinayag at arm dot com 2020-05-05 13:34 ` [Bug build/25922] " vvinayag at arm dot com 2020-05-05 13:59 ` fw at deneb dot enyo.de @ 2020-05-05 22:45 ` jsm28 at gcc dot gnu.org 2 siblings, 0 replies; 4+ messages in thread From: jsm28 at gcc dot gnu.org @ 2020-05-05 22:45 UTC (permalink / raw) To: glibc-bugs https://sourceware.org/bugzilla/show_bug.cgi?id=25922 Joseph Myers <jsm28 at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Resolution|--- |MOVED Status|UNCONFIRMED |RESOLVED --- Comment #2 from Joseph Myers <jsm28 at gcc dot gnu.org> --- GCC bug filed as https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94963 . -- You are receiving this mail because: You are on the CC list for the bug. ^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2020-05-05 22:45 UTC | newest] Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2020-05-05 13:33 [Bug build/25922] New: Build error: '_dl_main_map_l_relro_size_lsm.124' may be used uninitialized vvinayag at arm dot com 2020-05-05 13:34 ` [Bug build/25922] " vvinayag at arm dot com 2020-05-05 13:59 ` fw at deneb dot enyo.de 2020-05-05 22:45 ` jsm28 at gcc dot gnu.org
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