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From: "irfanariq at kaist dot ac.kr" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug demangler/102130] New: [c++filt] Stack overflow in demangle_path Date: Mon, 30 Aug 2021 17:11:06 +0000 [thread overview] Message-ID: <bug-102130-4@http.gcc.gnu.org/bugzilla/> (raw) https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102130 Bug ID: 102130 Summary: [c++filt] Stack overflow in demangle_path Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal Priority: P3 Component: demangler Assignee: unassigned at gcc dot gnu.org Reporter: irfanariq at kaist dot ac.kr Target Milestone: --- Created attachment 51378 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=51378&action=edit poc and full stack trace Hello, We are currently working on fuzz testing feature, and we found a crash on c++filt. The stack traces are as follow: ==617==ERROR: AddressSanitizer: stack-overflow on address 0x7fffe1fa7ff8 (pc 0x555911cd5385 bp 0x7fffe1fa8140 sp 0x7fffe1fa8000 T0) #0 0x555911cd5384 in demangle_path rust-demangle.c:674 #1 0x555911cd5e48 in demangle_path rust-demangle.c:774 #2 0x555911cd56a1 in demangle_path rust-demangle.c:696 #3 0x555911cd5e48 in demangle_path rust-demangle.c:774 #4 0x555911cd56a1 in demangle_path rust-demangle.c:696 ... #247 0x555911cd5e48 in demangle_path rust-demangle.c:774 #248 0x555911cd56a1 in demangle_path rust-demangle.c:696 #249 0x555911cd5e48 in demangle_path rust-demangle.c:774 #250 0x555911cd56a1 in demangle_path rust-demangle.c:696 We also attach the full stack trace in the attachment. **Step to reproduce** We configured c++filt using $ CFLAGS="-g -O0 -fsanitize=address" ./configure --disable-shared --enable-targets=all ,and built it using $ make -j10; make install ,and run it with: $ ./c++filt @<input file> The input file is in the attachment. **Environment** - OS: Ubuntu 18.04.5 LTS - GCC version: gcc 7.5.0 - binutils version: commit (7de7786bb7db5159fc8a7bfa3df72381ff16a38c) of master branch on sourceware git (https://sourceware.org/git/?p=binutils-gdb.git;a=tree;h=7de7786bb7db5159fc8a7bfa3df72381ff16a38c;hb=7de7786bb7db5159fc8a7bfa3df72381ff16a38c) Thank you.
next reply other threads:[~2021-08-30 17:11 UTC|newest] Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-08-30 17:11 irfanariq at kaist dot ac.kr [this message] 2021-08-31 7:20 ` [Bug demangler/102130] " rguenth at gcc dot gnu.org 2021-08-31 12:45 ` irfanariq at kaist dot ac.kr 2021-09-05 10:57 ` amodra at gmail dot com 2021-12-27 8:24 ` pinskia at gcc dot gnu.org
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