❦ 4 November 2021 23:39 +01, Eugen Dedu:
> Maybe I am wrong, but, for me, the simplest method to track this bug
> down is to check the changes between the two versions, 93.0 and
> 93.0-1+b1. Firefox code has not changed, only one or some libraries
> it depends on. I thought that the only change is in libvpx version,
> but, surprisingly, a previous comment mentions that rebuilding firefox
> with old vpx (libvpx6) still exhibits the bug. I think that libc6 is
> out of question, because the last package is 19 Sep, too old wrt this
> bug; the same for gcc-11, the last package being on 21 Oct. Doesn't
> this (checking the changes) sound like a good approach to find the
> cause of the problem?
There are a lot of changes between the two builds:
- automake (= 1:1.16.5-1),
+ automake (= 1:1.16.4-2),
- bash (= 5.1-3+b2),
+ bash (= 5.1-3+b1),
- bsdextrautils (= 2.37.2-4),
- bsdutils (= 1:2.37.2-4),
+ bsdextrautils (= 2.37.2-3),
+ bsdutils (= 1:2.37.2-3),
- cargo (= 0.57.0-3),
+ cargo (= 0.47.0-3+b1),
- cpp (= 4:11.2.0-2),
- cpp-11 (= 11.2.0-10),
- dash (= 0.5.11+git20210120+802ebd4-2),
- dbus (= 1.12.20-3),
- dbus-bin (= 1.12.20-3),
- dbus-daemon (= 1.12.20-3),
- dbus-session-bus-common (= 1.12.20-3),
- dbus-system-bus-common (= 1.12.20-3),
- dbus-user-session (= 1.12.20-3),
+ cpp (= 4:10.2.1-1),
+ cpp-10 (= 10.3.0-11),
+ dash (= 0.5.11+git20210120+802ebd4-1),
+ dbus (= 1.12.20-2),
+ dbus-user-session (= 1.12.20-2),
- debconf (= 1.5.78),
+ debconf (= 1.5.77),
- dh-strip-nondeterminism (= 1.12.0-2),
+ dh-strip-nondeterminism (= 1.12.0-1),
- g++ (= 4:11.2.0-2),
- g++-11 (= 11.2.0-10),
- gcc (= 4:11.2.0-2),
+ g++ (= 4:10.2.1-1),
+ g++-10 (= 10.3.0-11),
+ gcc (= 4:10.2.1-1),
+ gcc-10 (= 10.3.0-11),
- gcc-11 (= 11.2.0-10),
- gcc-11-base (= 11.2.0-10),
+ gcc-11-base (= 11.2.0-8),
- lib32gcc-s1 (= 11.2.0-10),
- lib32stdc++6 (= 11.2.0-10),
+ lib32gcc-s1 (= 11.2.0-8),
+ lib32stdc++6 (= 11.2.0-8),
- libapparmor1 (= 3.0.3-5),
+ libapparmor1 (= 3.0.3-2),
- libasan6 (= 11.2.0-10),
+ libasan6 (= 11.2.0-8),
- libatomic1 (= 11.2.0-10),
+ libatomic1 (= 11.2.0-8),
- libaudit-common (= 1:3.0.6-1),
- libaudit1 (= 1:3.0.6-1),
+ libaudit-common (= 1:3.0.5-1),
+ libaudit1 (= 1:3.0.5-1),
- libblkid-dev (= 2.37.2-4),
- libblkid1 (= 2.37.2-4),
+ libblkid-dev (= 2.37.2-3),
+ libblkid1 (= 2.37.2-3),
- libc-ares2 (= 1.18.1-1),
+ libc-ares2 (= 1.17.2-1),
- libcc1-0 (= 11.2.0-10),
+ libcc1-0 (= 11.2.0-8),
- libcryptsetup12 (= 2:2.4.1-1),
+ libcryptsetup12 (= 2:2.4.0-1),
- libdatrie-dev (= 0.2.13-2),
- libdatrie1 (= 0.2.13-2),
+ libdatrie-dev (= 0.2.13-1),
+ libdatrie1 (= 0.2.13-1),
- libdbus-1-3 (= 1.12.20-3),
- libdbus-1-dev (= 1.12.20-3),
+ libdbus-1-3 (= 1.12.20-2),
+ libdbus-1-dev (= 1.12.20-2),
- libdeflate-dev (= 1.8-1),
- libdeflate0 (= 1.8-1),
+ libdeflate-dev (= 1.7-2),
+ libdeflate0 (= 1.7-2),
- libegl-mesa0 (= 21.2.4-1),
+ libegl-mesa0 (= 21.2.3-1),
- libegl1-mesa-dev (= 21.2.4-1),
+ libegl1-mesa-dev (= 21.2.3-1),
- libepoxy-dev (= 1.5.9-2),
- libepoxy0 (= 1.5.9-2),
+ libepoxy-dev (= 1.5.9-1),
+ libepoxy0 (= 1.5.9-1),
- libexpat1 (= 2.4.1-3),
- libexpat1-dev (= 2.4.1-3),
- libffi-dev (= 3.4.2-3),
- libffi8 (= 3.4.2-3),
- libfile-stripnondeterminism-perl (= 1.12.0-2),
+ libexpat1 (= 2.4.1-2+b1),
+ libexpat1-dev (= 2.4.1-2+b1),
+ libffi-dev (= 3.4.2-2),
+ libffi7 (= 3.3-6),
+ libffi8 (= 3.4.2-2),
+ libfile-stripnondeterminism-perl (= 1.12.0-1),
- libfreetype-dev (= 2.11.0+dfsg-1),
- libfreetype6 (= 2.11.0+dfsg-1),
- libfreetype6-dev (= 2.11.0+dfsg-1),
+ libfreetype-dev (= 2.10.4+dfsg-1),
+ libfreetype6 (= 2.10.4+dfsg-1),
+ libfreetype6-dev (= 2.10.4+dfsg-1),
- libgbm1 (= 21.2.4-1),
+ libgbm1 (= 21.2.3-1),
- libgcc-11-dev (= 11.2.0-10),
- libgcc-s1 (= 11.2.0-10),
+ libgcc-s1 (= 11.2.0-8),
- libgdbm-compat4 (= 1.22-1),
- libgdbm6 (= 1.22-1),
+ libgdbm-compat4 (= 1.21-1),
+ libgdbm6 (= 1.21-1),
- libgl1-mesa-dri (= 21.2.4-1),
- libglapi-mesa (= 21.2.4-1),
+ libgl1-mesa-dri (= 21.2.3-1),
+ libglapi-mesa (= 21.2.3-1),
- libglib2.0-0 (= 2.70.0-3),
- libglib2.0-bin (= 2.70.0-3),
- libglib2.0-data (= 2.70.0-3),
- libglib2.0-dev (= 2.70.0-3),
- libglib2.0-dev-bin (= 2.70.0-3),
+ libglib2.0-0 (= 2.70.0-1+b1),
+ libglib2.0-bin (= 2.70.0-1+b1),
+ libglib2.0-data (= 2.70.0-1),
+ libglib2.0-dev (= 2.70.0-1+b1),
+ libglib2.0-dev-bin (= 2.70.0-1+b1),
- libglx-mesa0 (= 21.2.4-1),
+ libglx-mesa0 (= 21.2.3-1),
- libgomp1 (= 11.2.0-10),
+ libgomp1 (= 11.2.0-8),
- libisl23 (= 0.24-2),
- libitm1 (= 11.2.0-10),
+ libisl23 (= 0.23-1),
+ libitm1 (= 11.2.0-8),
- libllvm12 (= 1:12.0.1-15),
- libllvm13 (= 1:13.0.0-8),
- liblsan0 (= 11.2.0-10),
+ libllvm12 (= 1:12.0.1-9),
+ libllvm13 (= 1:13.0.0-2),
+ liblsan0 (= 11.2.0-8),
- libmount-dev (= 2.37.2-4),
- libmount1 (= 2.37.2-4),
- libmpc3 (= 1.2.1-1),
+ libmount-dev (= 2.37.2-3),
+ libmount1 (= 2.37.2-3),
+ libmpc3 (= 1.2.0-1),
- libnode72 (= 12.22.7~dfsg-2),
+ libnode72 (= 12.22.5~dfsg-5),
- libobjc4 (= 11.2.0-10),
+ libobjc4 (= 11.2.0-8),
- libp11-kit0 (= 0.24.0-5),
+ libp11-kit0 (= 0.24.0-3),
- libpam-systemd (= 249.5-1),
+ libpam-systemd (= 247.9-4),
- libquadmath0 (= 11.2.0-10),
+ libquadmath0 (= 11.2.0-8),
- libseccomp2 (= 2.5.2-2),
+ libseccomp2 (= 2.5.2-1),
- libsmartcols1 (= 2.37.2-4),
+ libsmartcols1 (= 2.37.2-3),
- libstd-rust-1.56 (= 1.56.0+dfsg1-2),
- libstd-rust-dev (= 1.56.0+dfsg1-2),
+ libstd-rust-1.53 (= 1.53.0+dfsg1-1),
+ libstd-rust-dev (= 1.53.0+dfsg1-1),
- libstdc++-11-dev (= 11.2.0-10),
- libstdc++6 (= 11.2.0-10),
+ libstdc++6 (= 11.2.0-8),
- libsystemd0 (= 249.5-1),
+ libsystemd0 (= 247.9-4),
- libtsan0 (= 11.2.0-10),
- libubsan1 (= 11.2.0-10),
+ libtsan0 (= 11.2.0-8),
+ libubsan1 (= 11.2.0-8),
- libudev1 (= 249.5-1),
+ libudev1 (= 247.9-4),
- libuuid1 (= 2.37.2-4),
+ libuuid1 (= 2.37.2-3),
- libvpx-dev (= 1.11.0-2),
- libvpx7 (= 1.11.0-2),
+ libvpx-dev (= 1.10.0-2),
+ libvpx6 (= 1.10.0-2),
- libxkbcommon-dev (= 1.3.1-1),
- libxkbcommon0 (= 1.3.1-1),
+ libxkbcommon-dev (= 1.0.3-2),
+ libxkbcommon0 (= 1.0.3-2),
- libzstd1 (= 1.4.8+dfsg-3),
- linux-libc-dev (= 5.14.12-1),
+ libzstd1 (= 1.4.8+dfsg-2.1),
+ linux-libc-dev (= 5.14.9-1),
- mount (= 2.37.2-4),
+ mount (= 2.37.2-3),
- nodejs (= 12.22.7~dfsg-2),
+ nodejs (= 12.22.5~dfsg-5),
- python3-pkg-resources (= 58.2.0-1),
+ python3-pkg-resources (= 52.0.0-4),
- python3-yaml (= 5.4.1-1),
+ python3-yaml (= 5.3.1-5),
- rustc (= 1.56.0+dfsg1-2),
+ rustc (= 1.53.0+dfsg1-1),
- systemd (= 249.5-1),
- systemd-sysv (= 249.5-1),
+ systemd (= 247.9-4),
+ systemd-sysv (= 247.9-4),
- tzdata (= 2021e-1),
+ tzdata (= 2021c-1),
- util-linux (= 2.37.2-4),
- uuid-dev (= 2.37.2-4),
- wayland-protocols (= 1.23-1),
+ util-linux (= 2.37.2-3),
+ uuid-dev (= 2.37.2-3),
+ wayland-protocols (= 1.21-2),
So, this includes an update of gcc and rust. diffoscope output shows a
lot of changes in the generated assembly code as well. Maybe we should
try building Firefox with a Debian snapshot from October 15th to narrow
the changes.
--
What good is an obscenity trial except to popularize literature?
-- Nero Wolfe, "The League of Frightened Men"
