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author | Vladimir Davydov <vdavydov@parallels.com> | 2014-07-15 12:25:28 +0400 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-09-17 09:19:22 -0700 |
commit | 33319369579d86a9f70cf0aa310734fe6301053a (patch) | |
tree | 2f94d10c85e8f29e762f7e65ed4cb74811b1508e /lib/fault-inject.c | |
parent | 247640a32c08cb65dcbcab98721497e41796e58f (diff) |
Bluetooth: never linger on process exit
commit 093facf3634da1b0c2cc7ed106f1983da901bbab upstream.
If the current process is exiting, lingering on socket close will make
it unkillable, so we should avoid it.
Reproducer:
#include <sys/types.h>
#include <sys/socket.h>
#define BTPROTO_L2CAP 0
#define BTPROTO_SCO 2
#define BTPROTO_RFCOMM 3
int main()
{
int fd;
struct linger ling;
fd = socket(PF_BLUETOOTH, SOCK_STREAM, BTPROTO_RFCOMM);
//or: fd = socket(PF_BLUETOOTH, SOCK_DGRAM, BTPROTO_L2CAP);
//or: fd = socket(PF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_SCO);
ling.l_onoff = 1;
ling.l_linger = 1000000000;
setsockopt(fd, SOL_SOCKET, SO_LINGER, &ling, sizeof(ling));
return 0;
}
Signed-off-by: Vladimir Davydov <vdavydov@parallels.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'lib/fault-inject.c')
0 files changed, 0 insertions, 0 deletions