Segfault on GNU/Linux

Segfault on GNU/Linux

[Jens Lautenbacher]

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Hi, 

When trying to use James Clarks nxml mode (nxml-mode-20031031) with
syntax highlighting turned on, current CVS emacs segfaults with the
following stacktrace. please tell me if I should provide more
information (this is CVS from today, on Fedora Core I, emacs built with
gtk enabled)

Program received signal SIGSEGV, Segmentation fault.
0x00b9c98f in msort_with_tmp () from /lib/tls/libc.so.6
(gdb) where
#0  0x00b9c98f in msort_with_tmp () from /lib/tls/libc.so.6
#1  0x00b9c9f0 in msort_with_tmp () from /lib/tls/libc.so.6
#2  0x00b9ccb8 in qsort () from /lib/tls/libc.so.6
#3  0x0812aabe in sort_overlays (overlay_vec=0xbf600110, noverlays=2,
w=0x0) at buffer.c:2873
#4  0x081a7e69 in get_char_property_and_overlay (position=1,
prop=675417024, object=-1976777440,
    overlay=0x0) at textprop.c:664
#5  0x081a7f8a in Fget_char_property (position=1, prop=675417024,
object=-1976777440)
    at textprop.c:704
#6  0x0809468d in handle_display_prop (it=0xbff285f0) at xdisp.c:3286
#7  0x08093870 in handle_stop (it=0xbff285f0) at xdisp.c:2567
#8  0x0809773d in next_element_from_buffer (it=0xbff285f0) at
xdisp.c:5439
#9  0x08096b80 in get_next_display_element (it=0xbff285f0) at
xdisp.c:4791
#10 0x08096b80 in get_next_display_element (it=0xbff285f0) at
xdisp.c:4791
#11 0x08096b80 in get_next_display_element (it=0xbff285f0) at
xdisp.c:4791
#12 0x08096b80 in get_next_display_element (it=0xbff285f0) at
xdisp.c:4791

(last line repeated)

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Re: Segfault on GNU/Linux

[Richard Stallman]

I suggest you investigate whether qsort was called with valid
arguments and data.