(gdb) +set logging on
Already logging to test.gdb_upmendex.log.
(gdb) +exec upmendex
(gdb) +symbol-file upmendex
Reading symbols from upmendex...
Reading symbols from /usr/lib/debug//usr/bin/upmendex.exe.dbg...
(gdb) (gdb) +b pnumconv
Breakpoint 1 at 0x100401dc0: file /usr/src/debug/texlive-20250416-1/texk/upmendex/convert.c, line 289.
(gdb) +b pnumconv2
Breakpoint 2 at 0x100404420: file /usr/src/debug/texlive-20250416-1/texk/upmendex/fwrite.c, line 149.
(gdb) +run -s test.ist test.idx
Starting program: /usr/bin/upmendex -s test.ist test.idx
[New Thread 43476.0x86c4]
[New Thread 43476.0x720c]
[New Thread 43476.0x4b54]
[New Thread 43476.0x9d34]

Thread 1 "upmendex" hit Breakpoint 2, pnumconv2 (p=0xa0003b7d0) at /usr/src/debug/texlive-20250416-1/texk/upmendex/fwrite.c:149
149	{
(gdb) +n
152		pclen=strlen(page_compositor);
(gdb) +n
153		for (j=k=cc=0;j<strlen(p->page);j++) {
(gdb) +n
154			if (strncmp(p->page+j,page_compositor,pclen)==0) {
(gdb) +n
154			if (strncmp(p->page+j,page_compositor,pclen)==0) {
(gdb) +n
154			if (strncmp(p->page+j,page_compositor,pclen)==0) {
(gdb) +n
155				j+=pclen;
(gdb) +n
157				cc++;
(gdb) +n
158				continue;
(gdb) +n
153		for (j=k=cc=0;j<strlen(p->page);j++) {
(gdb) +n
154			if (strncmp(p->page+j,page_compositor,pclen)==0) {
(gdb) +n
155				j+=pclen;
(gdb) +n
157				cc++;
(gdb) +n
158				continue;
(gdb) +n
153		for (j=k=cc=0;j<strlen(p->page);j++) {
(gdb) +p p->page
$1 = 0xa0003f170 "-1.1.1"
(gdb) +p k
$2 = 5
(gdb) +p p->page+k
$3 = 0xa0003f175 "1"
(gdb) +p p->attr
$4 = {-1, -1, 2019910766, 1835363631, 980576623, 1920169263, 1634235183, 1949263218, 1718450277, 1936286765}
(gdb) +p cc
$5 = 2
(gdb) +p p->attr[cc]
$6 = 2019910766
(gdb) +n
161		return pnumconv(p->page+k,p->attr[cc]);
(gdb) +n

Thread 1 "upmendex" hit Breakpoint 1, pnumconv (page=0xa0003f175 "1", attr=2019910766) at /usr/src/debug/texlive-20250416-1/texk/upmendex/convert.c:289
289	{
(gdb) +n
292		switch (page_precedence[attr]) {
(gdb) +p page_precedence
$7 = "rnaRA", '\000' <repeats 2042 times>
(gdb) +n

Thread 1 "upmendex" received signal SIGSEGV, Segmentation fault.
0x0000000100401dd2 in pnumconv (page=0xa0003f175 "1", attr=2019910766) at /usr/src/debug/texlive-20250416-1/texk/upmendex/convert.c:292
292		switch (page_precedence[attr]) {
(gdb) +quit
A debugging session is active.

	Inferior 1 [process 43476] will be killed.

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