# New Ticket Created by Brian Carpenter # Please include the string: [perl #123801] # in the subject line of all future correspondence about this issue. # <URL: https://rt.perl.org/Ticket/Display.html?id=123801 > Built v5.21.9 (v5.21.8-286-g534577b) using the following command line: ./Configure -des -Dusedevel -DDEBUGGING -Dcc=afl-gcc -Doptimize=-O2\ -g && AFL_HARDEN=1 make -j6 test-prep Bug found with AFL (http://lcamtuf.coredump.cx/afl) GDB output: Program terminated with signal 6, Aborted. #0 0x00007fce68ad7165 in *__GI_raise (sig=<optimized out>) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64 64 ../nptl/sysdeps/unix/sysv/linux/raise.c: No such file or directory. gdb-peda$ bt #0 0x00007fce68ad7165 in *__GI_raise (sig=<optimized out>) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64 #1 0x00007fce68ada3e0 in *__GI_abort () at abort.c:92 #2 0x00007fce68ad0311 in *__GI___assert_fail (assertion=0xefc430 "PL_valid_types_IVX[((svtype)((_svivx)->sv_flags & 0xff)) & 0xf]", file=<optimized out>, line=0x11c6, function=0xf3b150 "Perl_yylex") at assert.c:81 #3 0x0000000000611aa1 in Perl_yylex () at toke.c:4550 #4 0x0000000000669685 in Perl_yyparse () #5 0x00000000005399a5 in S_parse_body () #6 0x0000000000541537 in perl_parse () #7 0x000000000042b63c in main () at perlmain.c:114 #8 0x00007fce68ac3ead in __libc_start_main (main=<optimized out>, argc=<optimized out>, ubp_av=<optimized out>, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffaf9e2678) at libc-start.c:244 #9 0x000000000042b955 in _start () gdb-peda$ i r rax 0x0 0x0 rbx 0x7fffaf9e3631 0x7fffaf9e3631 rcx 0xffffffffffffffff 0xffffffffffffffff rdx 0x6 0x6 rsi 0xe632 0xe632 rdi 0xe632 0xe632 rbp 0x7fce68bf1a07 0x7fce68bf1a07 rsp 0x7fffaf9e1b18 0x7fffaf9e1b18 r8 0x7fce69d26700 0x7fce69d26700 r9 0x67616c665f76733e 0x67616c665f76733e r10 0x8 0x8 r11 0x202 0x202 r12 0xefc430 0xefc430 r13 0xf3b150 0xf3b150 r14 0x7fce68bf1a07 0x7fce68bf1a07 r15 0x11c6 0x11c6 rip 0x7fce68ad7165 0x7fce68ad7165 <*__GI_raise+53> eflags 0x202 [ IF ] cs 0x33 0x33 ss 0x2b 0x2b ds 0x0 0x0 es 0x0 0x0 fs 0x0 0x0 gs 0x0 0x0 Debian 7, Kernel 3.2.65-1+deb7u1 x86_64, libc 3.2.65-1+deb7u1 x86_6, gcc 4.9.2Thread Previous