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Groups > linux.kernel > #1401969
| From | Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH 4.5 041/101] net: thunderx: avoid exposing kernel stack |
| Date | 2016-05-17 03:50 +0200 |
| Message-ID | <rzCj2-6q8-65@gated-at.bofh.it> (permalink) |
| References | <rzBZD-6iF-3@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
4.5-stable review patch. If anyone has any objections, please let me know. ------------------ From: "xypron.glpk@gmx.de" <xypron.glpk@gmx.de> [ Upstream commit 161de2caf68c549c266e571ffba8e2163886fb10 ] Reserved fields should be set to zero to avoid exposing bits from the kernel stack. Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> --- drivers/net/ethernet/cavium/thunder/nicvf_queues.c | 4 ++++ 1 file changed, 4 insertions(+) --- a/drivers/net/ethernet/cavium/thunder/nicvf_queues.c +++ b/drivers/net/ethernet/cavium/thunder/nicvf_queues.c @@ -519,6 +519,7 @@ static void nicvf_rcv_queue_config(struc nicvf_config_vlan_stripping(nic, nic->netdev->features); /* Enable Receive queue */ + memset(&rq_cfg, 0, sizeof(struct rq_cfg)); rq_cfg.ena = 1; rq_cfg.tcp_ena = 0; nicvf_queue_reg_write(nic, NIC_QSET_RQ_0_7_CFG, qidx, *(u64 *)&rq_cfg); @@ -551,6 +552,7 @@ void nicvf_cmp_queue_config(struct nicvf qidx, (u64)(cq->dmem.phys_base)); /* Enable Completion queue */ + memset(&cq_cfg, 0, sizeof(struct cq_cfg)); cq_cfg.ena = 1; cq_cfg.reset = 0; cq_cfg.caching = 0; @@ -599,6 +601,7 @@ static void nicvf_snd_queue_config(struc qidx, (u64)(sq->dmem.phys_base)); /* Enable send queue & set queue size */ + memset(&sq_cfg, 0, sizeof(struct sq_cfg)); sq_cfg.ena = 1; sq_cfg.reset = 0; sq_cfg.ldwb = 0; @@ -635,6 +638,7 @@ static void nicvf_rbdr_config(struct nic /* Enable RBDR & set queue size */ /* Buffer size should be in multiples of 128 bytes */ + memset(&rbdr_cfg, 0, sizeof(struct rbdr_cfg)); rbdr_cfg.ena = 1; rbdr_cfg.reset = 0; rbdr_cfg.ldwb = 0;
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[PATCH 4.5 000/101] 4.5.5-stable review Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-05-17 03:50 +0200 [PATCH 4.5 051/101] crypto: testmgr - Use kmalloc memory for RSA input Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-05-17 03:50 +0200 [PATCH 4.5 005/101] net: sched: do not requeue a NULL skb Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-05-17 03:50 +0200 [PATCH 4.5 047/101] mm: thp: calculate the mapcount correctly for THP pages during WP faults Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-05-17 03:50 +0200 [PATCH 4.5 060/101] pinctrl: at91-pio4: fix pull-up/down logic Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-05-17 03:50 +0200 [PATCH 4.5 002/101] decnet: Do not build routes to devices without decnet private data. Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-05-17 03:50 +0200 [PATCH 4.5 019/101] net/mlx4_en: fix spurious timestamping callbacks Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-05-17 03:50 +0200 [PATCH 4.5 009/101] net: use skb_postpush_rcsum instead of own implementations Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-05-17 03:50 +0200 [PATCH 4.5 053/101] ALSA: usb-audio: Yet another Phoneix Audio device quirk Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-05-17 03:50 +0200 [PATCH 4.5 057/101] spi: pxa2xx: Do not detect number of enabled chip selects on Intel SPT Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-05-17 03:50 +0200 [PATCH 4.5 048/101] crypto: qat - fix invalid pf2vf_resp_wq logic Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-05-17 03:50 +0200 [PATCH 4.5 055/101] ALSA: hda - Fix white noise on Asus UX501VW headset Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-05-17 03:50 +0200 [PATCH 4.5 045/101] ocfs2: fix posix_acl_create deadlock Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-05-17 03:50 +0200 [PATCH 4.5 064/101] vfs: add vfs_select_inode() helper Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-05-17 03:50 +0200 [PATCH 4.5 062/101] perf diff: Fix duplicated output column Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-05-17 03:50 +0200 [PATCH 4.5 046/101] zsmalloc: fix zs_can_compact() integer overflow Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-05-17 03:50 +0200 [PATCH 4.5 052/101] ALSA: usb-audio: Quirk for yet another Phoenix Audio devices (v2) Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-05-17 03:50 +0200 [PATCH 4.5 023/101] samples/bpf: fix trace_output example Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-05-17 03:50 +0200 [PATCH 4.5 041/101] net: thunderx: avoid exposing kernel stack Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-05-17 03:50 +0200 [PATCH 4.5 016/101] net/mlx5e: Fix minimum MTU Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-05-17 03:50 +0200 [PATCH 4.5 050/101] crypto: hash - Fix page length clamping in hash walk Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-05-17 03:50 +0200 [PATCH 4.5 043/101] net/route: enforce hoplimit max value Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-05-17 03:50 +0200 [PATCH 4.5 024/101] net: Implement net_dbg_ratelimited() for CONFIG_DYNAMIC_DEBUG case Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-05-17 03:50 +0200 [PATCH 4.5 061/101] regmap: spmi: Fix regmap_spmi_ext_read in multi-byte case Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-05-17 03:50 +0200 [PATCH 4.5 029/101] sch_dsmark: update backlog as well Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-05-17 03:50 +0200 [PATCH 4.5 021/101] bpf: fix refcnt overflow Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-05-17 03:50 +0200 [PATCH 4.5 049/101] crypto: qat - fix adf_ctl_drv.c:undefined reference to adf_init_pf_wq Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-05-17 03:50 +0200 Re: [PATCH 4.5 000/101] 4.5.5-stable review Guenter Roeck <linux@roeck-us.net> - 2016-05-17 19:30 +0200 Re: [PATCH 4.5 000/101] 4.5.5-stable review Shuah Khan <shuahkh@osg.samsung.com> - 2016-05-17 19:30 +0200
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