[mod_python] httplib: [notice] child pid 8937 exit signal Segmentation fault (11)

[Ilpo Nyyssönen]

On Tue, 4 Jul 2000, Gregory Trubetskoy wrote:

> 
> Ilpo -
> 
> The code below worked for me without a hinch. This is on FreeBSD 4.0
> Stable, Apache 1.3.12.
> 
> Anyone else on this list experiences this problem?
> 
> Grisha
> 
> On 4 Jul 2000, Ilpo Nyyssönen wrote:
> 
> > 
> > I tried to use urllib to retrieve some pictures dynamically, but the
> > child dies with segmentation fault. This happens also with httplib,
> > for example with the code below. The dying seems to happen when
> > closing the connection.

I forgot to mention that I have Apache 1.3.12 (this was just upgraded) in
Linux 2.2.13 (Red Hat).

I also attached a strace that I took few weeks ago.

-- 
Ilpo Nyyssönen # biny
/* :-) */

-------------- next part --------------
socket(PF_INET, SOCK_DGRAM, IPPROTO_IP) = 6
connect(6, {sin_family=AF_INET, sin_port=htons(53), sin_addr=inet_addr("130.233.224.1")}, 16) = 0
send(6, "Z\355\1\0\0\1\0\0\0\0\0\0\3www\3"..., 28, 0) = 28
SYS_168(0xbfffd9b8, 0x1, 0x1388, 0x1388, 0xbfffd9b8) = 1
recvfrom(6, "Z\355\205\200\0\1\0\1\0\3\0\3\3w"..., 1024, 0, {sin_family=AF_INET, sin_port=htons(53), sin_addr=inet_addr("130.233.224.1")}, [16]) = 167
close(6)                                = 0
connect(5, {sin_family=AF_INET, sin_port=htons(80), sin_addr=inet_addr("130.233.220.31")}, 16) = 0
send(5, "GET / HTTP/1.0\r\n", 16, 0)    = 16
send(5, "Host: www.hut.fi\r\n", 18, 0)  = 18
send(5, "User-agent: Python-urllib/1.10\r"..., 32, 0) = 32
send(5, "\r\n", 2, 0)                   = 2
dup(5)                                  = 6
fcntl(6, F_GETFL)                       = 0x2 (flags O_RDWR)
fstat(6, {st_mode=033526, st_size=0, ...}) = 0
mmap(0, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x40615000
_llseek(0x6, 0, 0, 0xbffff1e4, 0x1)     = -1 ESPIPE (Illegal seek)
read(6, "HTTP/1.1 200 OK\r\nDate: Mon, 19"..., 1024) = 1024
close(5)                                = 0
connect(-1073745952, {...}, 1075363008) = 23
getpid()                                = 28286
open("/usr/tmp/@28286.test", O_WRONLY|O_CREAT|O_TRUNC, 0666) = 5
fstat(5, {st_mode=S_IFDIR|S_ISUID|0606, st_size=0, ...}) = 0
mmap(0, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x40618000
write(5, "blat", 4)                     = 4
close(5)                                = 0
munmap(0x40618000, 4096)                = 0
unlink("/usr/tmp/@28286.test")          = 0
getpid()                                = 28286
stat("/usr/tmp/@28286.1", 0xbffff318)   = -1 ENOENT (No such file or directory)
open("/usr/tmp/@28286.1", O_WRONLY|O_CREAT|O_TRUNC, 0666) = 5
brk(0x81a5000)                          = 0x81a5000
read(6, " href=\"http://www.hut.fi/Ajanko"..., 1024) = 875
read(6, "", 1024)                       = 0
fstat(5, {st_mode=S_IFDIR|S_ISUID|0606, st_size=0, ...}) = 0
mmap(0, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x40618000
read(6, "", 1024)                       = 0
close(6)                                = 0
munmap(0x40615000, 4096)                = 0
--- SIGSEGV (Segmentation fault) ---
chdir("/tmp")                           = 0
SYS_174(0xb, 0xbffff0bc, 0xbffff030, 0x8, 0xb) = 0
getpid()                                = 28286
kill(28286, SIGSEGV)                    = 0
sigreturn()                             = ? (mask now [])
--- SIGSEGV (Segmentation fault) ---