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[Bug default/25391] New: Segfault when printf %v recurses.
From: |
john at cellform dot com |
Subject: |
[Bug default/25391] New: Segfault when printf %v recurses. |
Date: |
Wed, 15 Jan 2020 14:22:40 +0000 |
https://sourceware.org/bugzilla/show_bug.cgi?id=25391
Bug ID: 25391
Summary: Segfault when printf %v recurses.
Product: poke
Version: unspecified
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: default
Assignee: unassigned at sourceware dot org
Reporter: john at cellform dot com
CC: poke-devel at nongnu dot org
Target Milestone: ---
/*
This file causes a segfault:
#0 0x00005555555d2552 in pvm_print_string (string=4294967353) at
poke/src/pvm-val.c:1137
#1 0x00005555555ec21b in pvm_execute_or_initialize (jitter_initialize=false,
jitter_initial_program_point=0x555555a58f40,
jitter_original_state=0x555555823ab0)
at poke/src/pvm.jitter:779
#2 0x00005555555d9457 in pvm_execute_executable_routine (er=0x555555823670,
s=0x555555823ab0)
at poke/src/pvm.jitter:440
#3 0x00005555555d2d0d in pvm_execute_routine (r=0x555555a2b180,
s=0x555555823ab0) at pvm-vm1.c:548
#4 0x00005555555cea70 in pvm_run (apvm=0x555555823ab0, routine=0x555555a2b180,
res=0x7fffffffdf18)
at poke/src/pvm.c:123
#5 0x000055555556fde5 in pkl_compile_file (compiler=0x55555582e620,
fname=0x5555559e0740 "crash.pk")
at poke/src/pkl.c:447
#6 0x000055555556de17 in pk_cmd_load_file (argc=1, argv=0x7fffffffe000,
uflags=0)
at poke/src/pk-file.c:275
#7 0x000055555556ccdd in pk_cmd_exec_1 (str=0x5555559d5951 "load crash.pk",
cmds_trie=0x555555907bc0, prefix=0x0)
at poke/src/pk-cmd.c:565
#8 0x000055555556ce96 in pk_cmd_exec (str=0x5555559d5950 ".load crash.pk") at
poke/src/pk-cmd.c:613
#9 0x000055555556d1cc in pk_cmd_exec_script (filename=0x7fffffffe61b
"crash.script")
at poke/src/pk-cmd.c:716
#10 0x0000555555565cb5 in parse_args (argc=5, argv=0x7fffffffe318) at
poke/src/poke.c:272
#11 0x0000555555566019 in main (argc=5, argv=0x7fffffffe318) at
poke/src/poke.c:397
To reproduce:
.set pretty-print yes
.file /dev/zero
.load <this-file>
*/
deftype foo = struct
{
char[2] c;
defun _print = void:
{
print "#<";
printf "%<foo:%s%>", catos (c);
print ">";
}
};
defun ugg = (offset<int, foo> ip) uint<8>:
{
printf ("IP %v \n", foo @ ip);
return 1;
}
deftype bar = struct
{
foo a;
foo[2] data : ugg (a'offset);
};
defvar x = bar @ 0#B;
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john at cellform dot com <=