Package: gcc-snapshot Version: 20180216-1 Severity: important On a program that does nothing, the AddressSanitizer segfaults with the 32-bit ABI. This is a regression.
I have the following gcc-snapshot script: #!/bin/sh LD_LIBRARY_PATH=/usr/lib/gcc-snapshot/lib:$LD_LIBRARY_PATH PATH=/usr/lib/gcc-snapshot/bin:$PATH rpath="" OLD_IFS="$IFS" IFS=: for i in $LD_RUN_PATH do rpath="$rpath -Wl,-rpath -Wl,$i" done IFS="$OLD_IFS" exec gcc -Wl,-rpath -Wl,/usr/lib/gcc-snapshot/lib \ -Wl,-rpath -Wl,/usr/lib/gcc-snapshot/lib32 \ -Wl,-rpath -Wl,/usr/lib/gcc-snapshot/libx32 $rpath "$@" cventin:~> cat tst.c int main (void) { return 0; } cventin:~> gcc-snapshot -m32 -fsanitize=address tst.c -o tst cventin:~> ./tst AddressSanitizer:DEADLYSIGNAL ================================================================= ==25032==ERROR: AddressSanitizer: SEGV on unknown address 0xf7fa7e70 (pc 0xf7fa7e84 bp 0xffbf40ac sp 0xffbf406c T16777215) ==25032==The signal is caused by a WRITE memory access. #0 0xf7fa7e83 in _dl_get_tls_static_info (/lib/ld-linux.so.2+0x11e83) #1 0xf7ac147d (/usr/lib/gcc-snapshot/lib32/libasan.so.5+0x10e47d) #2 0xf7aafd27 (/usr/lib/gcc-snapshot/lib32/libasan.so.5+0xfcd27) #3 0xf7fa591a (/lib/ld-linux.so.2+0xf91a) #4 0xf7f96cb9 (/lib/ld-linux.so.2+0xcb9) AddressSanitizer can not provide additional info. SUMMARY: AddressSanitizer: SEGV (/lib/ld-linux.so.2+0x11e83) in _dl_get_tls_static_info ==25032==ABORTING -- System Information: Debian Release: buster/sid APT prefers unstable-debug APT policy: (500, 'unstable-debug'), (500, 'stable-updates'), (500, 'unstable'), (500, 'testing'), (500, 'stable'), (1, 'experimental') Architecture: amd64 (x86_64) Foreign Architectures: i386 Kernel: Linux 4.15.0-1-amd64 (SMP w/12 CPU cores) Locale: LANG=POSIX, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), LANGUAGE=POSIX (charmap=UTF-8) Shell: /bin/sh linked to /bin/dash Init: systemd (via /run/systemd/system) LSM: AppArmor: enabled Versions of packages gcc-snapshot depends on: ii binutils 2.30-5 ii lib32z1 1:1.2.8.dfsg-5 ii libc6 2.27-1 ii libc6-dev 2.27-1 ii libc6-dev-i386 2.27-1 ii libc6-dev-x32 2.27-1 ii libc6-i386 2.27-1 ii libc6-x32 2.27-1 ii libgc1c2 1:7.4.2-8.1 ii libgmp10 2:6.1.2+dfsg-2 ii libisl15 0.18-1 ii libmpc3 1.1.0-1 ii libmpfr6 4.0.1-1 ii python 2.7.14-4 ii zlib1g 1:1.2.8.dfsg-5 gcc-snapshot recommends no packages. Versions of packages gcc-snapshot suggests: ii binutils [binutils-gold] 2.30-5 -- no debconf information