https://sourceware.org/bugzilla/show_bug.cgi?id=29312
--- Comment #1 from Marsman1996 <lqliuyuwei at outlook dot com> --- Created attachment 14191 --> https://sourceware.org/bugzilla/attachment.cgi?id=14191&action=edit poc for demangle_path_maybe_open_generics Both tested in Ubuntu 16.04, Binutils commit 2899490953879ccb22e64d6b8bc09fe9b9cdc5a7 To trigger the carsh, run command `$ ./cxxfilt < $POC` The ASAN report is ``` AddressSanitizer:DEADLYSIGNAL ================================================================= ==23686==ERROR: AddressSanitizer: stack-overflow on address 0x7fff44f2ef40 (pc 0x00000085c097 bp 0x7fff44f2f110 sp 0x7fff44f2ef40 T0) #0 0x85c096 in demangle_const /opt/disk/marsman/binutils/2899490/build_asan/libiberty/../../code/libiberty/rust-demangle.c:1144 #1 0x85c722 in demangle_const /opt/disk/marsman/binutils/2899490/build_asan/libiberty/../../code/libiberty/rust-demangle.c:1158:11 #2 0x85c722 in demangle_const /opt/disk/marsman/binutils/2899490/build_asan/libiberty/../../code/libiberty/rust-demangle.c:1158:11 #3 0x85c722 in demangle_const /opt/disk/marsman/binutils/2899490/build_asan/libiberty/../../code/libiberty/rust-demangle.c:1158:11 #4 0x85c722 in demangle_const /opt/disk/marsman/binutils/2899490/build_asan/libiberty/../../code/libiberty/rust-demangle.c:1158:11 #5 0x85c722 in demangle_const /opt/disk/marsman/binutils/2899490/build_asan/libiberty/../../code/libiberty/rust-demangle.c:1158:11 #6 0x85c722 in demangle_const /opt/disk/marsman/binutils/2899490/build_asan/libiberty/../../code/libiberty/rust-demangle.c:1158:11 #7 0x85c722 in demangle_const /opt/disk/marsman/binutils/2899490/build_asan/libiberty/../../code/libiberty/rust-demangle.c:1158:11 #8 0x85c722 in demangle_const /opt/disk/marsman/binutils/2899490/build_asan/libiberty/../../code/libiberty/rust-demangle.c:1158:11 #9 0x85c722 in demangle_const /opt/disk/marsman/binutils/2899490/build_asan/libiberty/../../code/libiberty/rust-demangle.c:1158:11 #10 0x85c722 in demangle_const /opt/disk/marsman/binutils/2899490/build_asan/libiberty/../../code/libiberty/rust-demangle.c:1158:11 #11 0x85c722 in demangle_const /opt/disk/marsman/binutils/2899490/build_asan/libiberty/../../code/libiberty/rust-demangle.c:1158:11 #12 0x85c722 in demangle_const /opt/disk/marsman/binutils/2899490/build_asan/libiberty/../../code/libiberty/rust-demangle.c:1158:11 ... ``` And ``` AddressSanitizer:DEADLYSIGNAL ================================================================= ==23696==ERROR: AddressSanitizer: stack-overflow on address 0x7ffebacebfd8 (pc 0x00000085f947 bp 0x7ffebacec030 sp 0x7ffebacebfa0 T0) #0 0x85f946 in demangle_path_maybe_open_generics /opt/disk/marsman/binutils/2899490/build_asan/libiberty/../../code/libiberty/rust-demangle.c:1082:12 #1 0x85ff03 in demangle_path_maybe_open_generics /opt/disk/marsman/binutils/2899490/build_asan/libiberty/../../code/libiberty/rust-demangle.c:1092:18 #2 0x85ff03 in demangle_path_maybe_open_generics /opt/disk/marsman/binutils/2899490/build_asan/libiberty/../../code/libiberty/rust-demangle.c:1092:18 #3 0x85ff03 in demangle_path_maybe_open_generics /opt/disk/marsman/binutils/2899490/build_asan/libiberty/../../code/libiberty/rust-demangle.c:1092:18 #4 0x85ff03 in demangle_path_maybe_open_generics /opt/disk/marsman/binutils/2899490/build_asan/libiberty/../../code/libiberty/rust-demangle.c:1092:18 #5 0x85ff03 in demangle_path_maybe_open_generics /opt/disk/marsman/binutils/2899490/build_asan/libiberty/../../code/libiberty/rust-demangle.c:1092:18 #6 0x85ff03 in demangle_path_maybe_open_generics /opt/disk/marsman/binutils/2899490/build_asan/libiberty/../../code/libiberty/rust-demangle.c:1092:18 #7 0x85ff03 in demangle_path_maybe_open_generics /opt/disk/marsman/binutils/2899490/build_asan/libiberty/../../code/libiberty/rust-demangle.c:1092:18 #8 0x85ff03 in demangle_path_maybe_open_generics /opt/disk/marsman/binutils/2899490/build_asan/libiberty/../../code/libiberty/rust-demangle.c:1092:18 #9 0x85ff03 in demangle_path_maybe_open_generics /opt/disk/marsman/binutils/2899490/build_asan/libiberty/../../code/libiberty/rust-demangle.c:1092:18 #10 0x85ff03 in demangle_path_maybe_open_generics /opt/disk/marsman/binutils/2899490/build_asan/libiberty/../../code/libiberty/rust-demangle.c:1092:18 #11 0x85ff03 in demangle_path_maybe_open_generics /opt/disk/marsman/binutils/2899490/build_asan/libiberty/../../code/libiberty/rust-demangle.c:1092:18 #12 0x85ff03 in demangle_path_maybe_open_generics /opt/disk/marsman/binutils/2899490/build_asan/libiberty/../../code/libiberty/rust-demangle.c:1092:18 #13 0x85ff03 in demangle_path_maybe_open_generics /opt/disk/marsman/binutils/2899490/build_asan/libiberty/../../code/libiberty/rust-demangle.c:1092:18 #14 0x85ff03 in demangle_path_maybe_open_generics /opt/disk/marsman/binutils/2899490/build_asan/libiberty/../../code/libiberty/rust-demangle.c:1092:18 #15 0x85ff03 in demangle_path_maybe_open_generics /opt/disk/marsman/binutils/2899490/build_asan/libiberty/../../code/libiberty/rust-demangle.c:1092:18 #16 0x85ff03 in demangle_path_maybe_open_generics /opt/disk/marsman/binutils/2899490/build_asan/libiberty/../../code/libiberty/rust-demangle.c:1092:18 .... ``` -- You are receiving this mail because: You are on the CC list for the bug.
