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Gentoo's Bugzilla – Attachment 423976 Details for
Bug 573106
<app-portage/portage-utils-0.62: qlop: out-of-bound read in qlop.c
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ASan output
file_573106.txt (text/plain), 8.26 KB, created by
Agostino Sarubbo
on 2016-01-27 11:30:40 UTC
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Description:
ASan output
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Creator:
Agostino Sarubbo
Created:
2016-01-27 11:30:40 UTC
Size:
8.26 KB
patch
obsolete
>~ # qlop -f $CRAFTED_FILE -s >Mon Jan 25 11:38:31 2016 >>> gentoo >================================================================= >==14281==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x61900001e44a at pc 0x000000425676 bp 0x7fff2b3f3970 sp 0x7fff2b3f3130 >READ of size 1 at 0x61900001e44a thread T0 > #0 0x425675 in __interceptor_strncmp /var/tmp/portage/sys-devel/llvm-3.7.1/work/llvm-3.7.1.src/projects/compiler-rt/lib/asan/../sanitizer_common/sanitizer_common_interceptors.inc:218:3 > #1 0x50d5b1 in show_sync_history /tmp/portage/app-portage/portage-utils-0.60/work/portage-utils-0.60/./qlop.c:350:7 > #2 0x50d5b1 in qlop_main /tmp/portage/app-portage/portage-utils-0.60/work/portage-utils-0.60/./qlop.c:687 > #3 0x4e7f22 in q_main /tmp/portage/app-portage/portage-utils-0.60/work/portage-utils-0.60/./q.c:79:10 > #4 0x4e7afe in main /tmp/portage/app-portage/portage-utils-0.60/work/portage-utils-0.60/main.c:1405:9 > #5 0x7fafd8594854 in __libc_start_main /tmp/portage/sys-libs/glibc-2.21-r1/work/glibc-2.21/csu/libc-start.c:289 > #6 0x4192f8 in _init (/usr/bin/q+0x4192f8) > >0x61900001e44a is located 0 bytes to the right of 970-byte region [0x61900001e080,0x61900001e44a) >allocated by thread T0 here: > #0 0x4a839e in realloc /var/tmp/portage/sys-devel/llvm-3.7.1/work/llvm-3.7.1.src/projects/compiler-rt/lib/asan/asan_malloc_linux.cc:61:3 > #1 0x7fafd85dc95f in getdelim /tmp/portage/sys-libs/glibc-2.21-r1/work/glibc-2.21/libio/iogetdelim.c:106 > >SUMMARY: AddressSanitizer: heap-buffer-overflow /var/tmp/portage/sys-devel/llvm-3.7.1/work/llvm-3.7.1.src/projects/compiler-rt/lib/asan/../sanitizer_common/sanitizer_common_interceptors.inc:218:3 in __interceptor_strncmp >Shadow bytes around the buggy address: > 0x0c327fffbc30: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > 0x0c327fffbc40: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > 0x0c327fffbc50: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > 0x0c327fffbc60: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > 0x0c327fffbc70: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >=>0x0c327fffbc80: 00 00 00 00 00 00 00 00 00[02]fa fa fa fa fa fa > 0x0c327fffbc90: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa > 0x0c327fffbca0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa > 0x0c327fffbcb0: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd > 0x0c327fffbcc0: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd > 0x0c327fffbcd0: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd >Shadow byte legend (one shadow byte represents 8 application bytes): > Addressable: 00 > Partially addressable: 01 02 03 04 05 06 07 > Heap left redzone: fa > Heap right redzone: fb > Freed heap region: fd > Stack left redzone: f1 > Stack mid redzone: f2 > Stack right redzone: f3 > Stack partial redzone: f4 > Stack after return: f5 > Stack use after scope: f8 > Global redzone: f9 > Global init order: f6 > Poisoned by user: f7 > Container overflow: fc > Array cookie: ac > Intra object redzone: bb > ASan internal: fe > Left alloca redzone: ca > Right alloca redzone: cb >==14281==ABORTING
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