subject:"\[Bug libctf\/28933\] buffer overflow on powerpc\-linux"

[Bug libctf/28933] buffer overflow on powerpc-linux

2022-03-24 Thread nick.alcock at oracle dot com

https://sourceware.org/bugzilla/show_bug.cgi?id=28933 Nick Alcock changed: What|Removed |Added Resolution|--- |FIXED Status|ASSIGNED

[Bug libctf/28933] buffer overflow on powerpc-linux

2022-03-24 Thread cvs-commit at gcc dot gnu.org

https://sourceware.org/bugzilla/show_bug.cgi?id=28933 --- Comment #7 from cvs-commit at gcc dot gnu.org --- The binutils-2_38-branch branch has been updated by Nick Alcock : https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=975b5540232ffe37c6c2ce37fa2b480c2d6cc0ab commit 975b5540232ffe

[Bug libctf/28933] buffer overflow on powerpc-linux

2022-03-23 Thread cvs-commit at gcc dot gnu.org

https://sourceware.org/bugzilla/show_bug.cgi?id=28933 --- Comment #6 from cvs-commit at gcc dot gnu.org --- The master branch has been updated by Nick Alcock : https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=84f5c557a4883d336b238e4bf5264bb920e008d9 commit 84f5c557a4883d336b238e4bf526

[Bug libctf/28933] buffer overflow on powerpc-linux

2022-03-17 Thread nick.alcock at oracle dot com

https://sourceware.org/bugzilla/show_bug.cgi?id=28933 --- Comment #5 from Nick Alcock --- This unchecked length is only an overrun in the uncompressed-and-corrupted foreign-endian CTF case (it's still wrong if the CTF is uncompressed but native-endian, but it's only used at serialization time, wh

[Bug libctf/28933] buffer overflow on powerpc-linux

2022-03-17 Thread nick.alcock at oracle dot com

https://sourceware.org/bugzilla/show_bug.cgi?id=28933 --- Comment #4 from Nick Alcock --- Aha! Yep, that's got it. Thank you, your object file was very helpful. Now to fix it... -- You are receiving this mail because: You are on the CC list for the bug.

[Bug libctf/28933] buffer overflow on powerpc-linux

2022-03-17 Thread amodra at gmail dot com

https://sourceware.org/bugzilla/show_bug.cgi?id=28933 --- Comment #3 from Alan Modra --- Created attachment 14023 --> https://sourceware.org/bugzilla/attachment.cgi?id=14023&action=edit testcase object file I built binutils on an Ubuntu 21.04 amd ryzen 9 box, configured with CFLAGS="-g -O2 -f

[Bug libctf/28933] buffer overflow on powerpc-linux

2022-03-17 Thread nick.alcock at oracle dot com

https://sourceware.org/bugzilla/show_bug.cgi?id=28933 --- Comment #2 from Nick Alcock --- FWIW, I cannot replicate this: not with the x86->ppc cross shown here, nor on ppc native, nor on ppc64. Nonetheless we should armour against this. I'll see what I can do... -- You are receiving this mail b