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| author | Patrick McHardy <kaber@trash.net> | 2007-02-26 23:47:11 +0100 |
|---|---|---|
| committer | Adrian Bunk <bunk@stusta.de> | 2007-02-26 23:47:11 +0100 |
| commit | b2afa146899caaa55e49839a21e0c98f504e05ad (patch) | |
| tree | 3e664fee8f9bece7e951776ed4de07d10ac8a518 /net | |
| parent | 1c892f5e7740143c803e6cbc5b3a32429f0119cc (diff) | |
| download | linux-stable-b2afa146899caaa55e49839a21e0c98f504e05ad.tar.gz linux-stable-b2afa146899caaa55e49839a21e0c98f504e05ad.tar.bz2 linux-stable-b2afa146899caaa55e49839a21e0c98f504e05ad.zip | |
[DECNET]: Fix sfuzz hanging on 2.6.18
Dave Jones wrote:
> sfuzz D 724EF62A 2828 28717 28691 (NOTLB)
> cd69fe98 00000082 0000012d 724ef62a 0001971a 00000010 00000007 df6d22b0
> dfd81080 725bbc5e 0001971a 000cc634 00000001 df6d23bc c140e260 00000202
> de1d5ba0 cd69fea0 de1d5ba0 00000000 00000000 de1d5b60 de1d5b8c de1d5ba0
> Call Trace:
> [<c05b1708>] lock_sock+0x75/0xa6
> [<e0b0b604>] dn_getname+0x18/0x5f [decnet]
> [<c05b083b>] sys_getsockname+0x5c/0xb0
> [<c05b0b46>] sys_socketcall+0xef/0x261
> [<c0403f97>] syscall_call+0x7/0xb
> DWARF2 unwinder stuck at syscall_call+0x7/0xb
>
> I wonder if the plethora of lockdep related changes inadvertantly broke something?
Looks like unbalanced locking.
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Diffstat (limited to 'net')
| -rw-r--r-- | net/decnet/af_decnet.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/net/decnet/af_decnet.c b/net/decnet/af_decnet.c index ce4aaf94860d..097605ebd737 100644 --- a/net/decnet/af_decnet.c +++ b/net/decnet/af_decnet.c @@ -1178,8 +1178,10 @@ static int dn_getname(struct socket *sock, struct sockaddr *uaddr,int *uaddr_len if (peer) { if ((sock->state != SS_CONNECTED && sock->state != SS_CONNECTING) && - scp->accept_mode == ACC_IMMED) + scp->accept_mode == ACC_IMMED) { + release_sock(sk); return -ENOTCONN; + } memcpy(sa, &scp->peer, sizeof(struct sockaddr_dn)); } else { |