3.4-stable review patch. If anyone has any objections, please let me know.
------------------ From: Stanislav Yakovlev <stas.yakov...@gmail.com> commit bf11315eeda510ea4fc1a2bf972d8155d31d89b4 upstream. The driver does not count space of radiotap fields when allocating skb for radiotap packet. This leads to kernel panic with the following call trace: ... [67607.676067] [<c152f90f>] error_code+0x67/0x6c [67607.676067] [<c142f831>] ? skb_put+0x91/0xa0 [67607.676067] [<f8cf5e5b>] ? ipw_handle_promiscuous_tx+0x16b/0x2d0 [ipw2200] [67607.676067] [<f8cf5e5b>] ipw_handle_promiscuous_tx+0x16b/0x2d0 [ipw2200] [67607.676067] [<f8cf899b>] ipw_net_hard_start_xmit+0x8b/0x90 [ipw2200] [67607.676067] [<f8741c5a>] libipw_xmit+0x55a/0x980 [libipw] [67607.676067] [<c143d3e8>] dev_hard_start_xmit+0x218/0x4d0 ... This bug was found by VittGam. https://bugzilla.kernel.org/show_bug.cgi?id=43255 Signed-off-by: Stanislav Yakovlev <stas.yakov...@gmail.com> Signed-off-by: John W. Linville <linvi...@tuxdriver.com> Cc: Ben Hutchings <b...@decadent.org.uk> Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org> --- drivers/net/wireless/ipw2x00/ipw2200.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/net/wireless/ipw2x00/ipw2200.c +++ b/drivers/net/wireless/ipw2x00/ipw2200.c @@ -10471,7 +10471,7 @@ static void ipw_handle_promiscuous_tx(st } else len = src->len; - dst = alloc_skb(len + sizeof(*rt_hdr), GFP_ATOMIC); + dst = alloc_skb(len + sizeof(*rt_hdr) + sizeof(u16)*2, GFP_ATOMIC); if (!dst) continue; -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
