https://bugs.exim.org/show_bug.cgi?id=2778
--- Comment #1 from chengxianglin <670605...@qq.com> --- (In reply to chengxianglin from comment #0) > ==8248==ERROR: AddressSanitizer: heap-buffer-overflow on address > 0x62d000008400 at pc 0x00000052a0a6 bp 0x7ffd4e81eea0 sp 0x7ffd4e81ee98 > READ of size 1 at 0x62d000008400 thread T0 > #0 0x52a0a5 in pchars /pcre/pcretest.c:2045:7 > #1 0x52b04a in callout /pcre/pcretest.c:2272:9 > #2 0x5b17e1 in internal_dfa_exec > /pcre-CVE-2017-7186/pcre_dfa_exec.c:3080:20 > #3 0x58d425 in pcre_dfa_exec /pcre/pcre_dfa_exec.c:3618:8 > #4 0x522479 in main /pcre/pcretest.c:5214:9 > #5 0x7f40690b482f in __libc_start_main > /build/glibc-LK5gWL/glibc-2.23/csu/../csu/libc-start.c:291 > #6 0x419c88 in _start (/pcre-CVE-2017-7186/pcretest+0x419c88) > > 0x62d000008400 is located 0 bytes to the right of 32768-byte region > [0x62d000000400,0x62d000008400) > allocated by thread T0 here: > #0 0x4d2718 in realloc > /fuzzer/build/llvm_tools/llvm-4.0.0.src/projects/compiler-rt/lib/asan/ > asan_malloc_linux.cc:79 > #1 0x51b762 in main /pcre/pcretest.c:4593:31 > #2 0x7f40690b482f in __libc_start_main > /build/glibc-LK5gWL/glibc-2.23/csu/../csu/libc-start.c:291 > > SUMMARY: AddressSanitizer: heap-buffer-overflow > /pcre-CVE-2017-7186/pcretest.c:2045:7 in pchars > Shadow bytes around the buggy address: > 0x0c5a7fff9030: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > 0x0c5a7fff9040: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > 0x0c5a7fff9050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > 0x0c5a7fff9060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > 0x0c5a7fff9070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > =>0x0c5a7fff9080:[fa]fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa > 0x0c5a7fff9090: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa > 0x0c5a7fff90a0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa > 0x0c5a7fff90b0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa > 0x0c5a7fff90c0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa > 0x0c5a7fff90d0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa > fa==8248==ERROR: AddressSanitizer: heap-buffer-overflow on address > 0x62d000008400 at pc 0x00000052a0a6 bp 0x7ffd4e81eea0 sp 0x7ffd4e81ee98 > READ of size 1 at 0x62d000008400 thread T0 > #0 0x52a0a5 in pchars /pcre/pcretest.c:2045:7 > #1 0x52b04a in callout /pcr/pcretest.c:2272:9 > #2 0x5b17e1 in internal_dfa_exec > /pcre-CVE-2017-7186/pcre_dfa_exec.c:3080:20 > #3 0x58d425 in pcre_dfa_exec /pcre/pcre_dfa_exec.c:3618:8 > #4 0x522479 in main /pcre/pcretest.c:5214:9 > #5 0x7f40690b482f in __libc_start_main > /build/glibc-LK5gWL/glibc-2.23/csu/../csu/libc-start.c:291 > #6 0x419c88 in _start (/pcre/pcretest+0x419c88) > > 0x62d000008400 is located 0 bytes to the right of 32768-byte region > [0x62d000000400,0x62d000008400) > allocated by thread T0 here: > #0 0x4d2718 in realloc > /fuzzer/build/llvm_tools/llvm-4.0.0.src/projects/compiler-rt/lib/asan/ > asan_malloc_linux.cc:79 > #1 0x51b762 in main /pcre/pcretest.c:4593:31 > #2 0x7f40690b482f in __libc_start_main > /build/glibc-LK5gWL/glibc-2.23/csu/../csu/libc-start.c:291 > > SUMMARY: AddressSanitizer: heap-buffer-overflow > /pcre-CVE-2017-7186/pcretest.c:2045:7 in pchars > Shadow bytes around the buggy address: > 0x0c5a7fff9030: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > 0x0c5a7fff9040: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > 0x0c5a7fff9050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > 0x0c5a7fff9060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > 0x0c5a7fff9070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > =>0x0c5a7fff9080:[fa]fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa > 0x0c5a7fff9090: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa > 0x0c5a7fff90a0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa > 0x0c5a7fff90b0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa > 0x0c5a7fff90c0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa > 0x0c5a7fff90d0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa > 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 > Freed heap region: fd > Stack left redzone: f1 > Stack mid redzone: f2 > Stack right redzone: f3 > 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 > ==8248==ABORTING -- You are receiving this mail because: You are on the CC list for the bug. -- ## List details at https://lists.exim.org/mailman/listinfo/pcre-dev
