https://sourceware.org/bugzilla/show_bug.cgi?id=21150
Bug ID: 21150 Summary: global buffer overflow in nm.c Product: binutils Version: 2.29 (HEAD) Status: UNCONFIRMED Severity: normal Priority: P2 Component: binutils Assignee: unassigned at sourceware dot org Reporter: thuanpv at comp dot nus.edu.sg Target Milestone: --- Created attachment 9818 --> https://sourceware.org/bugzilla/attachment.cgi?id=9818&action=edit Bug triggering input Dear all, This bug was found with AFLGo, a directed version of AFL/AFLFast. Thanks also to Marcel Böhme. This bug was found on Ubuntu 14.04 64-bit & binutils was checkout from main repository at git://sourceware.org/git/binutils-gdb.git. Its commit is 53f7e8ea7fad1fcff1b58f4cbd74e192e0bcbc1d (Fri Feb 10 00:00:16 2017) binutils was built with ASAN using gcc-6.2 and clang-3.4. The configure command was: CC=clang CFLAGS="-DFORTIFY_SOURCE=2 -fstack-protector-all -fsanitize=undefined,address -fno-omit-frame-pointer -g -Wno-error" ../configure --disable-shared --disable-gdb --disable-libdecnumber --disable-readline --disable-sim To reproduce: Download the attached file - bug_16 nm-new --si bug_16 ASAN says: ==107219==ERROR: AddressSanitizer: global-buffer-overflow on address 0x0000017a69fe at pc 0x4a65c3 bp 0x7ffcfc8e0c70 sp 0x7ffcfc8e0c68 READ of size 1 at 0x0000017a69fe thread T0 #0 0x4a65c2 in size_forward1 /home/ubuntu/thesis/subjects/binutils-newest/build-asan/binutils/../../binutils/nm.c:693 #1 0x7fea99955418 (/lib/x86_64-linux-gnu/libc.so.6+0x3b418) #2 0x7fea99955171 (/lib/x86_64-linux-gnu/libc.so.6+0x3b171) #3 0x7fea999556cb (/lib/x86_64-linux-gnu/libc.so.6+0x3b6cb) #4 0x495d94 in sort_symbols_by_size /home/ubuntu/thesis/subjects/binutils-newest/build-asan/binutils/../../binutils/nm.c:735 #5 0x4923dd in display_rel_file /home/ubuntu/thesis/subjects/binutils-newest/build-asan/binutils/../../binutils/nm.c:1196 #6 0x48da9c in display_file /home/ubuntu/thesis/subjects/binutils-newest/build-asan/binutils/../../binutils/nm.c:1319 #7 0x48bd36 in main /home/ubuntu/thesis/subjects/binutils-newest/build-asan/binutils/../../binutils/nm.c:1793 #8 0x7fea9993bf44 (/lib/x86_64-linux-gnu/libc.so.6+0x21f44) #9 0x48a9cc in _start (/home/ubuntu/thesis/subjects/binutils-newest/build-asan/binutils/nm-new+0x48a9cc) -- You are receiving this mail because: You are on the CC list for the bug. _______________________________________________ bug-binutils mailing list bug-binutils@gnu.org https://lists.gnu.org/mailman/listinfo/bug-binutils