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Re: net: user-controllable kmalloc size in __sctp_setsockopt_connectx

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Hi,

On Tue, Dec 22, 2015 at 09:13:54PM +0100, Dmitry Vyukov wrote:
> Hello,
...
> 
>  [<ffffffff8576a326>] __sctp_setsockopt_connectx+0xc6/0x150
> net/sctp/socket.c:1318
>  [<     inline     >] sctp_getsockopt_connectx3 net/sctp/socket.c:1410
>  [<ffffffff8577a22e>] sctp_getsockopt+0x25ee/0x3e00 net/sctp/socket.c:6007
>  [<ffffffff84ba2d65>] sock_common_getsockopt+0x95/0xd0 net/core/sock.c:2601
>  [<     inline     >] SYSC_getsockopt net/socket.c:1782
>  [<ffffffff84ba0512>] SyS_getsockopt+0x142/0x230 net/socket.c:1764
>  [<ffffffff85cce8b6>] entry_SYSCALL_64_fastpath+0x16/0x7a
> arch/x86/entry/entry_64.S:185

This is similar to that other one. I'll send a patch for it tomorrow.

Thanks,
Marcelo

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Thread

net: user-controllable kmalloc size in __sctp_setsockopt_connectx Dmitry Vyukov <dvyukov@google.com> - 2015-12-22 21:20 +0100
  Re: net: user-controllable kmalloc size in __sctp_setsockopt_connectx Marcelo Ricardo Leitner <marcelo.leitner@gmail.com> - 2015-12-22 22:10 +0100
  [PATCH net] sctp: use GFP_USER for user-controlled kmalloc Marcelo Ricardo Leitner <marcelo.leitner@gmail.com> - 2015-12-23 19:30 +0100
    Re: [PATCH net] sctp: use GFP_USER for user-controlled kmalloc David Miller <davem@davemloft.net> - 2015-12-28 06:20 +0100

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