[Bug target/91481] POWER9 "DARN" RNG intrinsic produces repeated output (CVE-2019-15847)

2019-10-21 Thread shek.spam+gcc at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91481 --- Comment #26 from Kevin Shekleton --- Thanks for educating me on the numbering scheme, Segher. That's helpful info! Florian - I see you requested the CVE. Will you be working to get the NVD entry updated with the appropriate affected

[Bug target/91481] POWER9 "DARN" RNG intrinsic produces repeated output (CVE-2019-15847)

2019-10-21 Thread segher at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91481 --- Comment #25 from Segher Boessenkool --- There is no 9.2.1 release, and there will not be one either. See https://gcc.gnu.org/develop.html for how our numbering scheme works. Very briefly, if the second number is 0, or the third number is

[Bug target/91481] POWER9 "DARN" RNG intrinsic produces repeated output (CVE-2019-15847)

2019-10-21 Thread shek.spam+gcc at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91481 --- Comment #24 from Kevin Shekleton --- Thanks, Segher. You mentioned 9.3 -- does that mean there won't be a 9.2.1 release? If so, will the 'Known to work' field here be updated? Also, will someone from the GCC team request an update to the

[Bug target/91481] POWER9 "DARN" RNG intrinsic produces repeated output (CVE-2019-15847)

2019-10-21 Thread redi at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91481 --- Comment #23 from Jonathan Wakely --- (In reply to Jonathan Wakely from comment #22) > See https://gcc.gnu.org/develop.html/timeline Sorry, that should be https://gcc.gnu.org/develop.html#timeline

[Bug target/91481] POWER9 "DARN" RNG intrinsic produces repeated output (CVE-2019-15847)

2019-10-21 Thread redi at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91481 --- Comment #22 from Jonathan Wakely --- (In reply to Segher Boessenkool from comment #21) > No future releases for GCC have been announced. Judging from historical > trends the next (and last) GCC 7 release (7.5) will be in November, GCC 8 >

[Bug target/91481] POWER9 "DARN" RNG intrinsic produces repeated output (CVE-2019-15847)

2019-10-21 Thread segher at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91481 --- Comment #21 from Segher Boessenkool --- It will be fixed in the next releases of all still supported branches (that's GCC 7, 8, and 9), and also in the upcoming GCC 10 release of course. If you are in a hurry, you can build your own

[Bug target/91481] POWER9 "DARN" RNG intrinsic produces repeated output (CVE-2019-15847)

2019-10-21 Thread kevin.shekleton at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91481 Kevin Shekleton changed: What|Removed |Added CC||kevin.shekleton at gmail dot com ---

[Bug target/91481] POWER9 "DARN" RNG intrinsic produces repeated output (CVE-2019-15847)

2019-09-03 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91481 Richard Biener changed: What|Removed |Added Known to work||10.0, 6.5.0, 7.4.1, 8.3.1,

[Bug target/91481] POWER9 "DARN" RNG intrinsic produces repeated output

2019-09-01 Thread fw at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91481 --- Comment #18 from Florian Weimer --- I'm going to request a CVE ID for this.

[Bug target/91481] POWER9 "DARN" RNG intrinsic produces repeated output

2019-08-31 Thread segher at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91481 --- Comment #17 from Segher Boessenkool --- Author: segher Date: Sat Aug 31 19:01:52 2019 New Revision: 275245 URL: https://gcc.gnu.org/viewcvs?rev=275245=gcc=rev Log: rs6000: Fix darn-3.c for GCC 8 and GCC 7 Apparently I didn't properly test

[Bug target/91481] POWER9 "DARN" RNG intrinsic produces repeated output

2019-08-31 Thread segher at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91481 --- Comment #16 from Segher Boessenkool --- Author: segher Date: Sat Aug 31 18:58:04 2019 New Revision: 275244 URL: https://gcc.gnu.org/viewcvs?rev=275244=gcc=rev Log: rs6000: Fix darn-3.c for GCC 8 and GCC 7 Apparently I didn't properly test

[Bug target/91481] POWER9 "DARN" RNG intrinsic produces repeated output

2019-08-30 Thread lloyd at randombit dot net
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91481 --- Comment #15 from Jack Lloyd --- Thanks for the fast fix and backporting

[Bug target/91481] POWER9 "DARN" RNG intrinsic produces repeated output

2019-08-30 Thread segher at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91481 Segher Boessenkool changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug target/91481] POWER9 "DARN" RNG intrinsic produces repeated output

2019-08-30 Thread segher at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91481 --- Comment #13 from Segher Boessenkool --- Author: segher Date: Fri Aug 30 14:25:36 2019 New Revision: 275186 URL: https://gcc.gnu.org/viewcvs?rev=275186=gcc=rev Log: Backport from trunk 2019-08-23 Segher Boessenkool

[Bug target/91481] POWER9 "DARN" RNG intrinsic produces repeated output

2019-08-30 Thread segher at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91481 --- Comment #12 from Segher Boessenkool --- Author: segher Date: Fri Aug 30 14:23:55 2019 New Revision: 275185 URL: https://gcc.gnu.org/viewcvs?rev=275185=gcc=rev Log: Backport from trunk 2019-08-22 Segher Boessenkool

[Bug target/91481] POWER9 "DARN" RNG intrinsic produces repeated output

2019-08-30 Thread segher at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91481 --- Comment #11 from Segher Boessenkool --- Author: segher Date: Fri Aug 30 14:17:20 2019 New Revision: 275182 URL: https://gcc.gnu.org/viewcvs?rev=275182=gcc=rev Log: Backport from trunk 2019-08-23 Segher Boessenkool

[Bug target/91481] POWER9 "DARN" RNG intrinsic produces repeated output

2019-08-30 Thread segher at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91481 --- Comment #10 from Segher Boessenkool --- Author: segher Date: Fri Aug 30 14:15:39 2019 New Revision: 275181 URL: https://gcc.gnu.org/viewcvs?rev=275181=gcc=rev Log: Backport from trunk 2019-08-22 Segher Boessenkool

[Bug target/91481] POWER9 "DARN" RNG intrinsic produces repeated output

2019-08-30 Thread segher at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91481 --- Comment #9 from Segher Boessenkool --- Author: segher Date: Fri Aug 30 13:53:11 2019 New Revision: 275176 URL: https://gcc.gnu.org/viewcvs?rev=275176=gcc=rev Log: Backport from trunk 2019-08-23 Segher Boessenkool

[Bug target/91481] POWER9 "DARN" RNG intrinsic produces repeated output

2019-08-30 Thread segher at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91481 --- Comment #8 from Segher Boessenkool --- Author: segher Date: Fri Aug 30 13:51:26 2019 New Revision: 275175 URL: https://gcc.gnu.org/viewcvs?rev=275175=gcc=rev Log: Backport from trunk 2019-08-22 Segher Boessenkool

[Bug target/91481] POWER9 "DARN" RNG intrinsic produces repeated output

2019-08-23 Thread segher at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91481 --- Comment #7 from Segher Boessenkool --- Author: segher Date: Fri Aug 23 22:19:40 2019 New Revision: 274889 URL: https://gcc.gnu.org/viewcvs?rev=274889=gcc=rev Log: rs6000: New darn testcase (PR91481) We used to implement darn with unspecs,

[Bug target/91481] POWER9 "DARN" RNG intrinsic produces repeated output

2019-08-22 Thread segher at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91481 --- Comment #6 from Segher Boessenkool --- Author: segher Date: Thu Aug 22 19:36:21 2019 New Revision: 274835 URL: https://gcc.gnu.org/viewcvs?rev=274835=gcc=rev Log: rs6000: Use unspec_volatile for darn (PR91481) Every call to darn should

[Bug target/91481] POWER9 "DARN" RNG intrinsic produces repeated output

2019-08-21 Thread segher at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91481 Segher Boessenkool changed: What|Removed |Added Status|UNCONFIRMED |ASSIGNED Last reconfirmed|

[Bug target/91481] POWER9 "DARN" RNG intrinsic produces repeated output

2019-08-21 Thread tkoenig at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91481 --- Comment #4 from Thomas Koenig --- Look in the gcc sources, under gcc/config/rs6000/rs6000.c .

[Bug target/91481] POWER9 "DARN" RNG intrinsic produces repeated output

2019-08-20 Thread noloader at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91481 --- Comment #3 from Jeffrey Walton --- Lloyd's finding can be confirmed on GCC135. For example, gcc135:~$ /opt/at12.0/bin/gcc -O3 -mcpu=power9 -m64 darn.c -o darn gcc135:~$ ./darn 9FBE0B8B6E861BD6 9FBE0B8B6E861BD6

[Bug target/91481] POWER9 "DARN" RNG intrinsic produces repeated output

2019-08-19 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91481 Richard Biener changed: What|Removed |Added Keywords||wrong-code Target|

[Bug target/91481] POWER9 "DARN" RNG intrinsic produces repeated output

2019-08-18 Thread tkoenig at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91481 Thomas Koenig changed: What|Removed |Added CC||tkoenig at gcc dot gnu.org --- Comment