Gawk 3.1.5 core

[David Gómez]

Hi all,

In gawk-3.1.5, using a non-existent file as a parameter,
makes gawk to raise a segmentation fault:

address@hidden [~] % gawk '{print $2;}' kk
*** glibc detected *** gawk: free(): invalid pointer: 0x08090400 ***
======= Backtrace: =========
/lib/libc.so.6[0xb7ead1e4]
/lib/libc.so.6(__libc_free+0x77)[0xb7ead71f]
gawk[0x80681f8]
gawk[0x80682c0]
gawk[0x80685ae]
gawk(do_input+0x37)[0x8069277]
gawk(main+0xf11)[0x806cf11]
/lib/libc.so.6(__libc_start_main+0xc6)[0xb7e5ede6]
gawk[0x804c9b1]
======= Memory map: ========
08048000-0808e000 r-xp 00000000 03:01 17809456   /usr/bin/gawk
0808e000-0808f000 rwxp 00045000 03:01 17809456   /usr/bin/gawk
0808f000-080b5000 rwxp 0808f000 00:00 0          [heap]
b7b00000-b7b21000 rwxp b7b00000 00:00 0
b7b21000-b7c00000 ---p b7b21000 00:00 0
b7c34000-b7c3c000 r-xp 00000000 03:01 2736134    /usr/lib/libgcc_s.so.1
b7c3c000-b7c3d000 rwxp 00007000 03:01 2736134    /usr/lib/libgcc_s.so.1
b7c49000-b7e49000 r-xp 00000000 03:01 12603695   /usr/lib/locale/locale-archive
b7e49000-b7e4a000 rwxp b7e49000 00:00 0
b7e4a000-b7f6e000 r-xp 00000000 03:01 15335837   /lib/libc-2.3.5.so
b7f6e000-b7f70000 r-xp 00124000 03:01 15335837   /lib/libc-2.3.5.so
b7f70000-b7f72000 rwxp 00126000 03:01 15335837   /lib/libc-2.3.5.so
b7f72000-b7f74000 rwxp b7f72000 00:00 0
b7f74000-b7f96000 r-xp 00000000 03:01 15335904   /lib/libm-2.3.5.so
b7f96000-b7f97000 r-xp 00021000 03:01 15335904   /lib/libm-2.3.5.so
b7f97000-b7f98000 rwxp 00022000 03:01 15335904   /lib/libm-2.3.5.so
b7f98000-b7f9a000 r-xp 00000000 03:01 15335893   /lib/libdl-2.3.5.so
b7f9a000-b7f9b000 r-xp 00001000 03:01 15335893   /lib/libdl-2.3.5.so
b7f9b000-b7f9c000 rwxp 00002000 03:01 15335893   /lib/libdl-2.3.5.so
b7fa3000-b7fa8000 r-xs 00000000 03:01 12603410   
/usr/lib/gconv/gconv-modules.cache
b7fa8000-b7fa9000 rwxp b7fa8000 00:00 0
b7fa9000-b7fc3000 r-xp 00000000 03:01 15335809   /lib/ld-2.3.5.so
b7fc3000-b7fc4000 r-xp 00019000 03:01 15335809   /lib/ld-2.3.5.so
b7fc4000-b7fc5000 rwxp 0001a000 03:01 15335809   /lib/ld-2.3.5.so
bfcc9000-bfcdf000 rw-p bfcc9000 00:00 0          [stack]
ffffe000-fffff000 ---p 00000000 00:00 0          [vdso]
zsh: abort (core dumped)  gawk '{print $2;}' kk


-- 
David Gómez                                      Jabber ID: address@hidden