Re: question about sockfd_lookup( )
I can't use sockfd_put(sock) directly.
I trace its code, the code is
extern __inline__ void sockfd_put(struct socket *sock)
{
fput(sock->file);
}
so I use fput(sock->file)
but it has problems too
1) execute "ls" in the ftp is also block
2) kernel prints "socki_lookup: socket file changed!"
3) execute "ftp localhost" after rmmod, it will crash
and why the sockfd_put is needed after sockfd_lookup
Thanak again
MingChieh Chang
Taiwan
===
- Hide quoted text -
On Tue, 01 Mar 2005 08:56:19 +0100, Eric Dumazet <[EMAIL PROTECTED]> wrote:
> Hi
>
> Try adding sockfd_put(sock) ;
>
> MingJie Chang wrote:
> > Dear all,
> >
> > I want to get socket information by the sockfd while accetping,
> >
> > so I write a module to test sockfd_lookup(),
> >
> > but I got some problems when I test it.
> >
> > I hope someone can help me...
> >
> > Thank you
> >
> > following text is my code and error message
> > ===
> > === code ===
> >
> > int my_socketcall(int call,unsigned long *args)
> > {
> >int ret,err;
> >struct socket * sock;
> >
> >ret = run_org_socket_call(call,args); //orignal sys_sockcall()
> >
> >if(call==SYS_ACCEPT&>=0)
> >{
> > sock=sockfd_lookup(ret,);
> > printk("lookup done\n");
>
> if (sock) sockfd_put(sock) ;
>
> >}
> >return ret;
> > }
>
> Eric Dumazet
>
>
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Re: question about sockfd_lookup( )
I can't use sockfd_put(sock) directly.
I trace its code, the code is
extern __inline__ void sockfd_put(struct socket *sock)
{
fput(sock->file);
}
so I use fput(sock->file)
but it has problems too
1) execute "ls" in the ftp is also block
2) kernel prints "socki_lookup: socket file changed!"
3) execute "ftp localhost" after rmmod, it will crash
and why the sockfd_put is needed after sockfd_lookup
Thanak again
MingChieh Chang
Taiwan
===
On Tue, 01 Mar 2005 08:56:19 +0100, Eric Dumazet <[EMAIL PROTECTED]> wrote:
> Hi
>
> Try adding sockfd_put(sock) ;
>
> MingJie Chang wrote:
> > Dear all,
> >
> > I want to get socket information by the sockfd while accetping,
> >
> > so I write a module to test sockfd_lookup(),
> >
> > but I got some problems when I test it.
> >
> > I hope someone can help me...
> >
> > Thank you
> >
> > following text is my code and error message
> > ===
> > === code ===
> >
> > int my_socketcall(int call,unsigned long *args)
> > {
> >int ret,err;
> >struct socket * sock;
> >
> >ret = run_org_socket_call(call,args); //orignal sys_sockcall()
> >
> >if(call==SYS_ACCEPT&>=0)
> >{
> > sock=sockfd_lookup(ret,);
> > printk("lookup done\n");
>
> if (sock) sockfd_put(sock) ;
>
> >}
> >return ret;
> > }
>
> Eric Dumazet
>
>
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [EMAIL PROTECTED]
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Please read the FAQ at http://www.tux.org/lkml/
Re: question about sockfd_lookup( )
I can't use sockfd_put(sock) directly.
I trace its code, the code is
extern __inline__ void sockfd_put(struct socket *sock)
{
fput(sock-file);
}
so I use fput(sock-file)
but it has problems too
1) execute ls in the ftp is also block
2) kernel prints socki_lookup: socket file changed!
3) execute ftp localhost after rmmod, it will crash
and why the sockfd_put is needed after sockfd_lookup
Thanak again
MingChieh Chang
Taiwan
===
On Tue, 01 Mar 2005 08:56:19 +0100, Eric Dumazet [EMAIL PROTECTED] wrote:
Hi
Try adding sockfd_put(sock) ;
MingJie Chang wrote:
Dear all,
I want to get socket information by the sockfd while accetping,
so I write a module to test sockfd_lookup(),
but I got some problems when I test it.
I hope someone can help me...
Thank you
following text is my code and error message
===
=== code ===
int my_socketcall(int call,unsigned long *args)
{
int ret,err;
struct socket * sock;
ret = run_org_socket_call(call,args); //orignal sys_sockcall()
if(call==SYS_ACCEPTret=0)
{
sock=sockfd_lookup(ret,err);
printk(lookup done\n);
if (sock) sockfd_put(sock) ;
}
return ret;
}
Eric Dumazet
-
To unsubscribe from this list: send the line unsubscribe linux-kernel in
the body of a message to [EMAIL PROTECTED]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
Re: question about sockfd_lookup( )
I can't use sockfd_put(sock) directly.
I trace its code, the code is
extern __inline__ void sockfd_put(struct socket *sock)
{
fput(sock-file);
}
so I use fput(sock-file)
but it has problems too
1) execute ls in the ftp is also block
2) kernel prints socki_lookup: socket file changed!
3) execute ftp localhost after rmmod, it will crash
and why the sockfd_put is needed after sockfd_lookup
Thanak again
MingChieh Chang
Taiwan
===
- Hide quoted text -
On Tue, 01 Mar 2005 08:56:19 +0100, Eric Dumazet [EMAIL PROTECTED] wrote:
Hi
Try adding sockfd_put(sock) ;
MingJie Chang wrote:
Dear all,
I want to get socket information by the sockfd while accetping,
so I write a module to test sockfd_lookup(),
but I got some problems when I test it.
I hope someone can help me...
Thank you
following text is my code and error message
===
=== code ===
int my_socketcall(int call,unsigned long *args)
{
int ret,err;
struct socket * sock;
ret = run_org_socket_call(call,args); //orignal sys_sockcall()
if(call==SYS_ACCEPTret=0)
{
sock=sockfd_lookup(ret,err);
printk(lookup done\n);
if (sock) sockfd_put(sock) ;
}
return ret;
}
Eric Dumazet
-
To unsubscribe from this list: send the line unsubscribe linux-kernel in
the body of a message to [EMAIL PROTECTED]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
Re: question about sockfd_lookup( )
Hi
Try adding sockfd_put(sock) ;
MingJie Chang wrote:
Dear all,
I want to get socket information by the sockfd while accetping,
so I write a module to test sockfd_lookup(),
but I got some problems when I test it.
I hope someone can help me...
Thank you
following text is my code and error message
===
=== code ===
int my_socketcall(int call,unsigned long *args)
{
int ret,err;
struct socket * sock;
ret = run_org_socket_call(call,args); //orignal sys_sockcall()
if(call==SYS_ACCEPT&>=0)
{
sock=sockfd_lookup(ret,);
printk("lookup done\n");
if (sock) sockfd_put(sock) ;
}
return ret;
}
Eric Dumazet
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [EMAIL PROTECTED]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
question about sockfd_lookup( ) -- sorry I forget to say the kernel version
Dear all,
I want to get socket information by the sockfd while accetping,
so I write a module to test sockfd_lookup(),
but I got some problems when I test it.
kernel version: 2.4.20-8smp(RedHat9) and 2.4.26 are tried
ftp server: vsftp 1.1.3-8 and wuftp 2.6.1-20 are tried
I hope someone can help me...
Thank you
following text is my code and error message
===
=== code ===
int my_socketcall(int call,unsigned long *args)
{
int ret,err;
struct socket * sock;
ret = run_org_socket_call(call,args); //orignal sys_sockcall()
if(call==SYS_ACCEPT&>=0)
{
sock=sockfd_lookup(ret,);
printk("lookup done\n");
}
return ret;
}
==
=== test and state ===
after inserting module, I use "ftp localhost" to test it.
And it has some error when I use "ls" or "mget"(I just try the 2 commands)
EX1: ls :file list is printed, but it will block until ctrl + c
ftp> ls
227 Entering Passive Mode (127,0,0,1,68,186)
150 Here comes the directory listing.
-rwxr-xr-x1 00 13744 Feb 28 05:22 socktest
-rw-r--r--1 501 0 76288 Feb 27 19:05 vsftpd-1.1.0-1.i386.rpm
-rw---1 501 03778 Feb 27 19:29 vsftpd.conf
(blocking until ctrl+c)
after ctrl+c
receive aborted
waiting for remote to finish abort
226 Directory send OK.
500 Unknown command.
663 bytes received in 51 secs (0.013 Kbytes/sec)
ftp>
EX2:mget: block until ctrl + c ,and file is not got
ftp> mget *
(blocking until ctrl+c)
receive aborted
waiting for remote to finish abort
Unknown command.
ftp>
(file is not got)
==
== kernel message ==
and than I remove the module, try to ftp localhost again,
and kernel will print some messages
Unable to handle kernel paging request at virtual address c845a089
printing eip:
c845a089
*pde=02ab4067(01194067)
*pte=()
Oops:
CPU:0
EIP:0819:[]Not tainted
EFLAGS: 00213296
eax: 0004 ebx: c6f18000 ecx: 0004 edx: 0004
esi: 0005 edi: ebp: c6f19fbc esp: c6f19f94
ds: 0821 es: 0821 ss: 0821
Process vsftpd (pid: 606, stackpage=c6f19000)<1>
Stack: 0005 bb80 c6f18000 c6f18000
c6f18000 0004 bc58 c00ae4eb 0005 bb80 bc30 0004
bc58 0066 0833 0833 0066 420daa02 082b
Call Trace: []
==
End of mail
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To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [EMAIL PROTECTED]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
question about sockfd_lookup( )
Dear all,
I want to get socket information by the sockfd while accetping,
so I write a module to test sockfd_lookup(),
but I got some problems when I test it.
I hope someone can help me...
Thank you
following text is my code and error message
===
=== code ===
int my_socketcall(int call,unsigned long *args)
{
int ret,err;
struct socket * sock;
ret = run_org_socket_call(call,args); //orignal sys_sockcall()
if(call==SYS_ACCEPT&>=0)
{
sock=sockfd_lookup(ret,);
printk("lookup done\n");
}
return ret;
}
==
=== test and state ===
after inserting module, I use "ftp localhost" to test it.
And it has some error when I use "ls" or "mget"(I just try the 2 commands)
EX1: ls :file list is printed, but it will block until ctrl + c
ftp> ls
227 Entering Passive Mode (127,0,0,1,68,186)
150 Here comes the directory listing.
-rwxr-xr-x1 00 13744 Feb 28 05:22 socktest
-rw-r--r--1 501 0 76288 Feb 27 19:05 vsftpd-1.1.0-1.i386.rpm
-rw---1 501 03778 Feb 27 19:29 vsftpd.conf
(blocking until ctrl+c)
after ctrl+c
receive aborted
waiting for remote to finish abort
226 Directory send OK.
500 Unknown command.
663 bytes received in 51 secs (0.013 Kbytes/sec)
ftp>
EX2:mget: block until ctrl + c ,and file is not got
ftp> mget *
(blocking until ctrl+c)
receive aborted
waiting for remote to finish abort
Unknown command.
ftp>
(file is not got)
==
== kernel message ==
and than I remove the module, try to ftp localhost again,
and kernel will print some messages
Unable to handle kernel paging request at virtual address c845a089
printing eip:
c845a089
*pde=02ab4067(01194067)
*pte=()
Oops:
CPU:0
EIP:0819:[]Not tainted
EFLAGS: 00213296
eax: 0004 ebx: c6f18000 ecx: 0004 edx: 0004
esi: 0005 edi: ebp: c6f19fbc esp: c6f19f94
ds: 0821 es: 0821 ss: 0821
Process vsftpd (pid: 606, stackpage=c6f19000)<1>
Stack: 0005 bb80 c6f18000 c6f18000
c6f18000 0004 bc58 c00ae4eb 0005 bb80 bc30 0004
bc58 0066 0833 0833 0066 420daa02 082b
Call Trace: []
==
End of mail
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [EMAIL PROTECTED]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
question about sockfd_lookup( )
Dear all,
I want to get socket information by the sockfd while accetping,
so I write a module to test sockfd_lookup(),
but I got some problems when I test it.
I hope someone can help me...
Thank you
following text is my code and error message
===
=== code ===
int my_socketcall(int call,unsigned long *args)
{
int ret,err;
struct socket * sock;
ret = run_org_socket_call(call,args); //orignal sys_sockcall()
if(call==SYS_ACCEPTret=0)
{
sock=sockfd_lookup(ret,err);
printk(lookup done\n);
}
return ret;
}
==
=== test and state ===
after inserting module, I use ftp localhost to test it.
And it has some error when I use ls or mget(I just try the 2 commands)
EX1: ls :file list is printed, but it will block until ctrl + c
ftp ls
227 Entering Passive Mode (127,0,0,1,68,186)
150 Here comes the directory listing.
-rwxr-xr-x1 00 13744 Feb 28 05:22 socktest
-rw-r--r--1 501 0 76288 Feb 27 19:05 vsftpd-1.1.0-1.i386.rpm
-rw---1 501 03778 Feb 27 19:29 vsftpd.conf
(blocking until ctrl+c)
after ctrl+c
receive aborted
waiting for remote to finish abort
226 Directory send OK.
500 Unknown command.
663 bytes received in 51 secs (0.013 Kbytes/sec)
ftp
EX2:mget: block until ctrl + c ,and file is not got
ftp mget *
(blocking until ctrl+c)
receive aborted
waiting for remote to finish abort
Unknown command.
ftp
(file is not got)
==
== kernel message ==
and than I remove the module, try to ftp localhost again,
and kernel will print some messages
Unable to handle kernel paging request at virtual address c845a089
printing eip:
c845a089
*pde=02ab4067(01194067)
*pte=()
Oops:
CPU:0
EIP:0819:[c845a089]Not tainted
EFLAGS: 00213296
eax: 0004 ebx: c6f18000 ecx: 0004 edx: 0004
esi: 0005 edi: ebp: c6f19fbc esp: c6f19f94
ds: 0821 es: 0821 ss: 0821
Process vsftpd (pid: 606, stackpage=c6f19000)1
Stack: 0005 bb80 c6f18000 c6f18000
c6f18000 0004 bc58 c00ae4eb 0005 bb80 bc30 0004
bc58 0066 0833 0833 0066 420daa02 082b
Call Trace: [c00ae4eb]
==
End of mail
-
To unsubscribe from this list: send the line unsubscribe linux-kernel in
the body of a message to [EMAIL PROTECTED]
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Please read the FAQ at http://www.tux.org/lkml/
question about sockfd_lookup( ) -- sorry I forget to say the kernel version
Dear all,
I want to get socket information by the sockfd while accetping,
so I write a module to test sockfd_lookup(),
but I got some problems when I test it.
kernel version: 2.4.20-8smp(RedHat9) and 2.4.26 are tried
ftp server: vsftp 1.1.3-8 and wuftp 2.6.1-20 are tried
I hope someone can help me...
Thank you
following text is my code and error message
===
=== code ===
int my_socketcall(int call,unsigned long *args)
{
int ret,err;
struct socket * sock;
ret = run_org_socket_call(call,args); //orignal sys_sockcall()
if(call==SYS_ACCEPTret=0)
{
sock=sockfd_lookup(ret,err);
printk(lookup done\n);
}
return ret;
}
==
=== test and state ===
after inserting module, I use ftp localhost to test it.
And it has some error when I use ls or mget(I just try the 2 commands)
EX1: ls :file list is printed, but it will block until ctrl + c
ftp ls
227 Entering Passive Mode (127,0,0,1,68,186)
150 Here comes the directory listing.
-rwxr-xr-x1 00 13744 Feb 28 05:22 socktest
-rw-r--r--1 501 0 76288 Feb 27 19:05 vsftpd-1.1.0-1.i386.rpm
-rw---1 501 03778 Feb 27 19:29 vsftpd.conf
(blocking until ctrl+c)
after ctrl+c
receive aborted
waiting for remote to finish abort
226 Directory send OK.
500 Unknown command.
663 bytes received in 51 secs (0.013 Kbytes/sec)
ftp
EX2:mget: block until ctrl + c ,and file is not got
ftp mget *
(blocking until ctrl+c)
receive aborted
waiting for remote to finish abort
Unknown command.
ftp
(file is not got)
==
== kernel message ==
and than I remove the module, try to ftp localhost again,
and kernel will print some messages
Unable to handle kernel paging request at virtual address c845a089
printing eip:
c845a089
*pde=02ab4067(01194067)
*pte=()
Oops:
CPU:0
EIP:0819:[c845a089]Not tainted
EFLAGS: 00213296
eax: 0004 ebx: c6f18000 ecx: 0004 edx: 0004
esi: 0005 edi: ebp: c6f19fbc esp: c6f19f94
ds: 0821 es: 0821 ss: 0821
Process vsftpd (pid: 606, stackpage=c6f19000)1
Stack: 0005 bb80 c6f18000 c6f18000
c6f18000 0004 bc58 c00ae4eb 0005 bb80 bc30 0004
bc58 0066 0833 0833 0066 420daa02 082b
Call Trace: [c00ae4eb]
==
End of mail
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To unsubscribe from this list: send the line unsubscribe linux-kernel in
the body of a message to [EMAIL PROTECTED]
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Please read the FAQ at http://www.tux.org/lkml/
Re: question about sockfd_lookup( )
Hi
Try adding sockfd_put(sock) ;
MingJie Chang wrote:
Dear all,
I want to get socket information by the sockfd while accetping,
so I write a module to test sockfd_lookup(),
but I got some problems when I test it.
I hope someone can help me...
Thank you
following text is my code and error message
===
=== code ===
int my_socketcall(int call,unsigned long *args)
{
int ret,err;
struct socket * sock;
ret = run_org_socket_call(call,args); //orignal sys_sockcall()
if(call==SYS_ACCEPTret=0)
{
sock=sockfd_lookup(ret,err);
printk(lookup done\n);
if (sock) sockfd_put(sock) ;
}
return ret;
}
Eric Dumazet
-
To unsubscribe from this list: send the line unsubscribe linux-kernel in
the body of a message to [EMAIL PROTECTED]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
