(gdb) +set logging on
Already logging to test.gdb_mendex.log.
(gdb) +exec mendex
(gdb) +symbol-file mendex
Reading symbols from mendex...
Reading symbols from /usr/lib/debug//usr/bin/mendex.exe.dbg...
(gdb) (gdb) +b pnumconv
Breakpoint 1 at 0x100401ee0: file /usr/src/debug/texlive-20250416-1/texk/mendexk/convert.c, line 369.
(gdb) +b pnumconv2
Breakpoint 2 at 0x100404360: file /usr/src/debug/texlive-20250416-1/texk/mendexk/fwrite.c, line 119.
(gdb) +run -s test.ist test.idx
Starting program: /usr/bin/mendex -s test.ist test.idx
[New Thread 27336.0x9070]
[New Thread 27336.0xa210]
[New Thread 27336.0xd1c]
[New Thread 27336.0x8414]

Thread 1 "mendex" hit Breakpoint 2, pnumconv2 (p=0xa00028620) at /usr/src/debug/texlive-20250416-1/texk/mendexk/fwrite.c:119
119	{
(gdb) +n
122		pclen=strlen(page_compositor);
(gdb) +n
123		for (j=k=cc=0;j<strlen(p->page);j++) {
(gdb) +n
124			if (strncmp(p->page+j,page_compositor,pclen)==0) {
(gdb) +n
124			if (strncmp(p->page+j,page_compositor,pclen)==0) {
(gdb) +n
124			if (strncmp(p->page+j,page_compositor,pclen)==0) {
(gdb) +n
125				j+=pclen;
(gdb) +n
127				cc++;
(gdb) +n
128				continue;
(gdb) +n
123		for (j=k=cc=0;j<strlen(p->page);j++) {
(gdb) +n
124			if (strncmp(p->page+j,page_compositor,pclen)==0) {
(gdb) +n
125				j+=pclen;
(gdb) +n
127				cc++;
(gdb) +n
128				continue;
(gdb) +n
123		for (j=k=cc=0;j<strlen(p->page);j++) {
(gdb) +p p->page
$1 = 0xa0002d2c0 "-1.1.1"
(gdb) +p k
$2 = 5
(gdb) +p p->page+k
$3 = 0xa0002d2c5 "1"
(gdb) +p p->attr
$4 = {-1, -1, 1949263218, 1718450277, 1936286765, 1634545524, 1852401003, 796419428, 1702060386, 1937059642}
(gdb) +p cc
$5 = 2
(gdb) +p p->attr[cc]
$6 = 1949263218
(gdb) +n
131		return pnumconv(p->page+k,p->attr[cc]);
(gdb) +n

Thread 1 "mendex" hit Breakpoint 1, pnumconv (page=0xa0002d2c5 "1", attr=1949263218) at /usr/src/debug/texlive-20250416-1/texk/mendexk/convert.c:369
369	{
(gdb) +n
372		switch (page_precedence[attr]) {
(gdb) +p page_precedence
$7 = "rnaRA", '\000' <repeats 2042 times>
(gdb) +n

Thread 1 "mendex" received signal SIGSEGV, Segmentation fault.
0x0000000100401ef2 in pnumconv (page=0xa0002d2c5 "1", attr=1949263218) at /usr/src/debug/texlive-20250416-1/texk/mendexk/convert.c:372
372		switch (page_precedence[attr]) {
(gdb) +quit
A debugging session is active.

	Inferior 1 [process 27336] will be killed.

Quit anyway? (y or n) [answered Y; input not from terminal]