https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105039
Bug ID: 105039 Summary: rust demangler stack overflow Product: gcc Version: 12.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: demangler Assignee: unassigned at gcc dot gnu.org Reporter: amodra at gmail dot com Target Milestone: --- >From https://sourceware.org/bugzilla/show_bug.cgi?id=28995 c++filt _RYAaca_NRYAaBa_a AddressSanitizer:DEADLYSIGNAL ================================================================= ==4145846==ERROR: AddressSanitizer: stack-overflow on address 0x7ffd205e8ff8 (pc 0x0000021dfea9 bp 0x00000000005f sp 0x7ffd205e9000 T0) #0 0x21dfea9 in peek /home/alan/src/binutils-gdb/libiberty/rust-demangle.c:90 #1 0x21dfd8c in eat /home/alan/src/binutils-gdb/libiberty/rust-demangle.c:99:7 #2 0x21e1bb4 in parse_integer_62 /home/alan/src/binutils-gdb/libiberty/rust-demangle.c:125:7 #3 0x21e2019 in demangle_const /home/alan/src/binutils-gdb/libiberty/rust-demangle.c:1153:17 #4 0x21e20a7 in demangle_const /home/alan/src/binutils-gdb/libiberty/rust-demangle.c:1158:11 and lots more at 1158:11. This is with libiberty sources from gcc commit 4cebae0924248b.