diff options
| author | Mariusz Kozlowski <[email protected]> | 2009-07-05 19:48:35 +0000 |
|---|---|---|
| committer | David S. Miller <[email protected]> | 2009-07-06 12:47:07 -0700 |
| commit | 3c8a9c63d5fd738c261bd0ceece04d9c8357ca13 (patch) | |
| tree | 7c60ab7e391f73ffcbcb98613ee454f843d7b3d1 /net/lapb/lapb_subr.c | |
| parent | 1ded3f59f35a2642852b3e2a1c0fa8a97777e9af (diff) | |
tun/tap: Fix crashes if open() /dev/net/tun and then poll() it.
Fix NULL pointer dereference in tun_chr_pool() introduced by commit
33dccbb050bbe35b88ca8cf1228dcf3e4d4b3554 ("tun: Limit amount of queued
packets per device") and triggered by this code:
int fd;
struct pollfd pfd;
fd = open("/dev/net/tun", O_RDWR);
pfd.fd = fd;
pfd.events = POLLIN | POLLOUT;
poll(&pfd, 1, 0);
Reported-by: Eugene Kapun <[email protected]>
Signed-off-by: Mariusz Kozlowski <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
Diffstat (limited to 'net/lapb/lapb_subr.c')
0 files changed, 0 insertions, 0 deletions