https://issues.apache.org/bugzilla/show_bug.cgi?id=56081
Bug ID: 56081
Summary: Apache 2.2.26 SIGSEGVs when POST'ing data
Product: Apache httpd-2
Version: 2.2.26
Hardware: PC
OS: Linux
Status: NEW
Severity: major
Priority: P2
Component: All
Assignee: [email protected]
Reporter: [email protected]
1.) Starting apache, for the first x minutes POST data works
2.) After say, 5+ minutes, POST data stops working (using CURL to test out the
posts and the likes)
Inital bt:
#0 0x00007f524f8cc86f in ?? ()
#1 0x0000000000440cdf in ap_is_recursion_limit_exceeded ()
#2 0x00000000004b8ade in ap_byterange_filter ()
#3 0x000000000045bbbf in get_ptoken ()
#4 0x000000000045c070 in parse_expr ()
#5 0x00000000004e49c9 in ?? ()
#6 0x00007f524fb3c710 in ?? ()
#7 0x0000000000000000 in ?? ()
Detailed bt:
#0 0x00007f125e3f3451 in ?? ()
No symbol table info available.
#1 0x0000000000440ad8 in server_hostname_port (cmd=0x2525638,
dummy=0x11e1a300, arg=0x250c7e0 "x\305P\002") at core.c:2360
err = 0x0
portstr = 0x250d028 "\360\305P\002"
part = 0x2526cb8 "8VR\002"
scheme = 0x250c5f0 "x\305P\002"
port = 0
#2 0x00000000004b496a in extract_dn (t=0x0, nids=0x25256b0, pfx=0x2525638
"x\305P\002", xn=0x11e1a300, p=0x250c7e0) at ssl_engine_vars.c:701
ents = 0x2526cb8
xsne = 0x250c5f0
count = 0x0
i = 32767
nid = 0
#3 0x000000000045b9b7 in get_basic_auth (r=0x45b9b7, user=0x7fff256c9f80,
pw=0x0) at mod_auth_basic.c:159
auth_line = 0x24bde18 "\vHK"
decoded_line = 0x250c7e0 "x\305P\002"
length = -1
#4 0x000000000045be68 in cache_url_handler (r=0x45b9b7, lookup=32767) at
mod_cache.c:73
rv = 0
auth = 0x250c7e0 "x\305P\002"
providers = 0x24bde18
cache = 0xffffffff00000000
conf = 0x7fff256c9fb0
out = 0x45be68
next = 0x250c5f0
cache_out_handle = 0x250c7e0
#5 0x00000000004e0855 in subst_prefix_path (r=0xffffffff00000000,
input=0x250c578 "h\245P\002", match=0x250a470 "\002", subst=0x250a7b0
"h\245P\002") at mod_rewrite.c:930
len = 7831192
#6 0x00000000004e0a3a in set_cache_value (name=0x4e0a3a
"\211\307\350\317\303\364\377H\213\005\340n%", t=140733821264032,
key=0x7fff256ca1f4 "\002",
val=0xc3562 <Address 0xc3562 out of bounds>) at mod_rewrite.c:982
map = 0x781908
#7 0x00000000004e0cdf in get_cache_value (name=0x7f12600efb80 "\v",
t=4294967295, key=0x2256ca1f8 <Address 0x2256ca1f8 out of bounds>,
p=0x7fff256ca1f4)
at mod_rewrite.c:1062
map = 0x700000004
val = 0x8 <Address 0x8 out of bounds>
#8 0x00000000004e123c in run_rewritemap_programs (s=0x0, p=0x0) at
mod_rewrite.c:1240
fpin = 0x7f125ed7edbb
fpout = 0x0
map = 0x787300
val = 0x773080
conf = 0x78d358
hi = 0x787328
---Type <return> to continue, or q <return> to quit---
rc = 37338344
lock_warning_issued = 0
#9 0x000000000042fff9 in main (argc=4, argv=0x7fff256ca408) at main.c:527
new = 0x77b2a0
c = 68 'D'
configtestonly = 0
ap_dump_loaded_directives = 0
confname = 0x4e3c9b
"\001E\220H\213E\260H\203\300\001H\211E\230\351@\002"
def_server_root = 0x4e3cab "@\002"
temp_error_log = 0x0
error = 0x0
process = 0x777288
server_conf = 0x781908
pglobal = 0x777198
pconf = 0x7791a8
plog = 0x78d358
ptemp = 0x787328
pcommands = 0x77b1b8
opt = 0x77b2a8
rv = 0
mod = 0x71e5d0
optarg = 0x7fff256caf59 "SSL"
signal_server = 0x45e589 <add_cache_enable+71>
ctrl-x 2 gives
Cannot access memory at address 0x7f125e3f3451
(gdb)
null pointer?
# egrep 7f125e3 maps
7f125e16f000-7f125e36f000 ---p 00041000 08:05 40963
/lib64/libgssapi_krb5.so.2.2
7f125e36f000-7f125e370000 r--p 00041000 08:05 40963
/lib64/libgssapi_krb5.so.2.2
7f125e370000-7f125e372000 rw-p 00042000 08:05 40963
/lib64/libgssapi_krb5.so.2.2
7f125e372000-7f125e4fd000 r-xp 00000000 08:05 41104
/lib64/libc-2.12.so
(gdb) up
#1 0x0000000000440ad8 in server_hostname_port (cmd=0x2525638,
dummy=0x11e1a300, arg=0x250c7e0 "x\305P\002") at core.c:2360
2360 ap_str_tolower(scheme);
(gdb) l
2355
2356 part = ap_strstr_c(arg, "://");
2357
2358 if (part) {
2359 scheme = apr_pstrmemdup(cmd->pool, arg, part - arg);
2360 ap_str_tolower(scheme);
2361 cmd->server->server_scheme = scheme;
2362 part += 3;
2363 } else {
2364 part = arg;
(gdb)
(gdb) down
#1 0x0000000000440ad8 in server_hostname_port (cmd=0x252abf8,
dummy=0x11e1a300, arg=0x2510da0 "8\vQ\002") at core.c:2360
2360 ap_str_tolower(scheme);
(gdb) list
2355
2356 part = ap_strstr_c(arg, "://");
2357
2358 if (part) {
2359 scheme = apr_pstrmemdup(cmd->pool, arg, part - arg);
2360 ap_str_tolower(scheme);
2361 cmd->server->server_scheme = scheme;
2362 part += 3;
2363 } else {
2364 part = arg;
(gdb) print cmd->pool
$2 = (apr_pool_t *) 0x0
(gdb) print cmd
$3 = (cmd_parms *) 0x252abf8
(gdb) ptype cmd
type = struct cmd_parms_struct {
void *info;
int override;
apr_int64_t limited;
apr_array_header_t *limited_xmethods;
ap_method_list_t *xlimited;
ap_configfile_t *config_file;
ap_directive_t *directive;
apr_pool_t *pool;
apr_pool_t *temp_pool;
server_rec *server;
char *path;
const command_rec *cmd;
struct ap_conf_vector_t *context;
const ap_directive_t *err_directive;
int override_opts;
} *
(gdb) print *cmd
$4 = {info = 0x2510b38, override = 0, limited = 0, limited_xmethods =
0x2510b40, xlimited = 0x252c1b8, config_file = 0x252c298, directive =
0x250ea30, pool = 0x0, temp_pool = 0x0, server = 0x0,
path = 0x4e52a8 "\225", cmd = 0x252abd0, context = 0x252abd0, err_directive =
0x252ac70, override_opts = 0}
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