diff options
Diffstat (limited to 'results/classifier/gemma3:12b/debug/1346784')
| -rw-r--r-- | results/classifier/gemma3:12b/debug/1346784 | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/results/classifier/gemma3:12b/debug/1346784 b/results/classifier/gemma3:12b/debug/1346784 new file mode 100644 index 000000000..7a81d2f0a --- /dev/null +++ b/results/classifier/gemma3:12b/debug/1346784 @@ -0,0 +1,68 @@ + +qemu internal memory areas visible to a guest via /proc/self/maps + + +Qemu internal memory areas are not suppressed in the output and are visible to a guest via /proc/self/maps. + +$ echo "int main() { return 0; }" > /tmp/test.c +$ gcc -m32 -fsanitize=address -fno-common -Wall -g -fPIC -o /tmp/test /tmp/test.c +$ qemu-i386-static -R 0 /tmp/test + +We use -R option because the binary can't be executed under stock version of Qemu with address sanitizer instrumentations (Asan). + +Qemu memory map looks the following way where GUEST valid addresses are marked with ***** and invalid with @@@: + +***** 08048000-08049000 r-xp 00000000 08:01 28835889 /tmp/test +***** 08049000-0804a000 rw-p 00000000 08:01 28835889 /tmp/test +***** 1ffff000-24000000 rw-p 00000000 00:00 0 +***** 24000000-28000000 ---p 00000000 00:00 0 +***** 28000000-40000000 rw-p 00000000 00:00 0 +***** 40000000-40001000 ---p 00000000 00:00 0 +***** 40001000-40801000 rw-p 00000000 00:00 0 [stack] +***** 40801000-40821000 r-xp 00000000 08:01 26738694 /lib32/ld-2.19.so +***** 40821000-40822000 r--p 0001f000 08:01 26738694 /lib32/ld-2.19.so +***** 40822000-40823000 rw-p 00020000 08:01 26738694 /lib32/ld-2.19.so +***** 40823000-40827000 rw-p 00000000 00:00 0 +***** 40827000-408ca000 r-xp 00000000 08:01 49424994 /home/michail/build/lib32/libasan.so.1.0.0 +***** 408ca000-408cc000 rw-p 000a3000 08:01 49424994 /home/michail/build/lib32/libasan.so.1.0.0 +***** 408cc000-40d24000 rw-p 00000000 00:00 0 +***** 40d3c000-40ee2000 r-xp 00000000 08:01 26738695 /lib32/libc-2.19.so +***** 40ee2000-40ee4000 r--p 001a6000 08:01 26738695 /lib32/libc-2.19.so +***** 40ee4000-40ee5000 rw-p 001a8000 08:01 26738695 /lib32/libc-2.19.so +***** 40ee5000-40ee8000 rw-p 00000000 00:00 0 +***** 40ee8000-40f00000 r-xp 00000000 08:01 26738711 /lib32/libpthread-2.19.so +***** 40f00000-40f01000 r--p 00017000 08:01 26738711 /lib32/libpthread-2.19.so +***** 40f01000-40f02000 rw-p 00018000 08:01 26738711 /lib32/libpthread-2.19.so +***** 40f02000-40f04000 rw-p 00000000 00:00 0 +***** 40f04000-40f07000 r-xp 00000000 08:01 26738708 /lib32/libdl-2.19.so +***** 40f07000-40f08000 r--p 00002000 08:01 26738708 /lib32/libdl-2.19.so +***** 40f08000-40f09000 rw-p 00003000 08:01 26738708 /lib32/libdl-2.19.so +***** 40f09000-40fee000 r-xp 00000000 08:01 49424965 /home/michail/build/lib32/libstdc++.so.6.0.20 +***** 40fee000-40ff2000 r--p 000e5000 08:01 49424965 /home/michail/build/lib32/libstdc++.so.6.0.20 +***** 40ff2000-40ff3000 rw-p 000e9000 08:01 49424965 /home/michail/build/lib32/libstdc++.so.6.0.20 +***** 40ff3000-40ffa000 rw-p 00000000 00:00 0 +***** 40ffa000-4103e000 r-xp 00000000 08:01 26738698 /lib32/libm-2.19.so +***** 4103e000-4103f000 r--p 00043000 08:01 26738698 /lib32/libm-2.19.so +***** 4103f000-41040000 rw-p 00044000 08:01 26738698 /lib32/libm-2.19.so +***** 41040000-41041000 rw-p 00000000 00:00 0 +***** 41041000-4105b000 r-xp 00000000 08:01 49424637 /home/michail/build/lib32/libgcc_s.so.1 +***** 4105b000-4105c000 rw-p 00019000 08:01 49424637 /home/michail/build/lib32/libgcc_s.so.1 +***** 4105c000-4105e000 rw-p 00000000 00:00 0 +***** 4105f000-41061000 rw-p 00000000 00:00 0 +***** 41065000-421ed000 rw-p 00000000 00:00 0 +***** 421ee000-421f1000 rw-p 00000000 00:00 0 +***** 60000000-6033b000 r-xp 00000000 08:01 48760980 /home/michail/build/bin/qemu-i386-static +***** 6053b000-60546000 rw-p 0033b000 08:01 48760980 /home/michail/build/bin/qemu-i386-static +***** 60546000-6059a000 rw-p 00000000 00:00 0 +***** 6059a000-6259b000 rwxp 00000000 00:00 0 +***** 6259b000-625ae000 rw-p 00000000 00:00 0 +***** 62dce000-62e12000 rw-p 00000000 00:00 0 [heap] +@@@ 7f3f5e6a9000 - 7f3f61f28000 rw-p 00000000 00:00 0 +@@@ 7fffad130000 - 7fffad132000 r-xp 00000000 00:00 0 [vdso] +@@@ ffffffffff600000 - ffffffffff601000 r-xp 00000000 00:00 0 [vsyscall] + +qemu-i386-static and its heap are in ranges which are valid and be reported to guest in case of maps file reading. + +The issue is related to early reported bugs: +http://lists.nongnu.org/archive/html/qemu-devel/2014-07/msg02793.html +http://lists.nongnu.org/archive/html/qemu-devel/2014-07/msg03085.html \ No newline at end of file |